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ST0502A-SY130322
ZONE! IIKW X _ I I.vW, I v fn p teague nail & perkins I I I ivi I i, T H E - C I T Y - 0 F COPPELL stn p March 22, 2013 teaque nail & perk'ns Mr. Ken Griffin, P.E. Director of Engineering /Public Works City of Coppell 255 Parkway Boulevard Coppell, TX 75019 RE: CLOMR for Sandy Lake Road and Freeport Parkway along Cottonwood Branch TNP# CPL00243 -02 Mr. Griffin, This letter serves as a response to the City's comments regarding the 1s` submittal of the above - referenced CLOMR. The comments were prepared by Mr. Brad W. Pickering, P.E., CFM, of Kimley -Horn and Associates, Inc. (KHA). TNP has revised models and the CLOMR submittal based on design changes (as discussed with the City) and the comments made by KHA. TNP offers the following response to comments: 1. The FEMA forms included in the CLOMR submittal expired on 12/31/2010. The most recent forms available from FEMA should be included in the CLOMR submittal. • Updated MT -2 forms are provided. 2. The NFIP panel number and effective date on MT -2 Form 1 should be revised to show the current effective panel number and effective date. • See response to Comment 4. 3. Documentation that indicates compliance with the Endangered Species Act and concurrence from the U.S. Fish and Wildlife Service should be provided. Refer to the attached FEMA Procedure Memorandum 64 for additional information related to this requirement. • The proposed project is anticipated to be compliant with Procedure Memorandum 64. However, TNP respectfully requests that the City waive this comment as the CLOMR is not anticipated to be submitted for FEMA review. It is TNP's understanding that, due to inadequate staff and large backlogs, obtaining a corroboration letter from the USFWS field office takes time and could result in significant delays to the project schedule. Should the City decide to proceed with FEMA submittal, TNP will gladly initiate the procedures necessary to obtain this compliance documentation. 4. Mapping, topographic information, and hydraulic modeling should not be based on the preliminary maps for Dallas County. FEMA will only accept topographic information, mapping, and hydraulic modeling that is based on the current FEMA effective information. • As discussed with the City, the CLOMR is not anticipated to be submitted to FEMA on the basis that: no rise in BFE is occurring as a result of the projects, a floodplain development permit will be obtained prior to construction, and a LOMR will be filed after construction. Additionally, discussions with Ms. Jessica Baker of Halff Associates (FEMA's Cooperating Technical Partner for the Dallas County MAPMOD initiative) indicated that the CLOMR should use the preliminary DFIRM data for comparison. As www.tnpinccom engineers surveyors landscape architects Fort Worth - 1 100 Macon Street - Fort Worth, Texas 76102 - 817.336.5773 ^ Dallas - 17304 Preston Road, Suite 1340 - Dallas, Texas 75252 - 214.461.9867 Denton — 1517 Centre Place Drive, Suite 320 — Denton, Texas 76205 — 940.383.4177 Sherman — 200 North Travis Street, Suite 500 � Sherman, Texas 75090 � 903.870.1089 Registered by the Texas Board of Professional Engineers, Finn No. F -230 - Registered by the Texas Board of Professional Surveyors, Firm No. 100116-00 such, any references to the preliminary DFIRM, MAPMOD, etc. remain unchanged in this submittal. 5. The vertical datum used for the topographic information, mapping, and hydraulic model geometry should be consistent with the current effective map and flood profile, which is NGVD 29. • See response to Comment 4. 6. Flow change locations used in the ultimate condition hydraulic model are not consistent with the Coppell City -Wide Storm Water Management Study. • The flow change locations for the ultimate conditions have been revised to coincide with Table E -13 of Halff Associates' "City -Wide Storm Water Management Study;" Based on this table, it appears that the effective model received from FEMA does not exactly match the hydraulic model used by Halff. As such, the flow change shown at station 6665 and 32725 in the Halff study is applied at station 6710 and station 1 (which equals effective model station 32725) of the revised existing geometry. 7. Hard copy output and exhibits should be provided for the ultimate condition study. • The requested output and exhibits have been provided. 8. A revised existing ultimate condition hydraulic model should be provided. • The run is included in the models. 9. Unused flow profiles in the ultimate condition hydraulic model should be removed. • Unused profiles have been removed. 10. The ultimate condition hydraulic model should include the 2 -year flow profile. • The 2 -year ultimate flow has been included in the ultimate run. 11. The effective hydraulic model provided by FEMA includes the 10 -, 50 -, 100 -, and 500 -year flow profiles. The report text should be revised to reflect the provided information. • The information has been reflected in the Hydrology section. 12. Digital copies of the effective HEC -2 model should be provided. • The HEC -2 file has been included on the data CD. 13. A table comparing the duplicate effective HEC -RAS hydraulic model to the effective HEC -2 hydraulic model should be included in the study. An explanation of any differences in water surface elevation should also be provided. • The requested table has been added to the "Duplicate Effective" section of Appendix B, with discussion also added in the report text. 14. Floodway encroachments in the corrected effective model should not be revised to match the preliminary maps for Dallas County. • See response to Comment 4. 15. The boundary condition in the revised existing condition and post - project condition hydraulic models should match the effective hydraulic model. • The known water surface elevations used are from the effective FIS profiles, which do not match the effective model. Please see the "Revised Existing" section of the CLOMR report for further explanation. 16. Floodway encroachments in the provided hydraulic models should be revised such that they are located outside of the channel bank stations. • Encroachments have been revised through the study reach to be outside_ of channel bank stations. 17. The applicant should verify floodplain top widths on the provided exhibits match the hydraulic models. • Verified and revised as necessary. 18. The post - project hydraulic model shows sloped abutments for the proposed Sandy Lake Road crossing; however, the provided plan and profile for this crossing shows vertical abutments. • The models have been revised to reflect gabions and other changes as a result of the revised design. 19. The proposed bridge deck information for the proposed crossings should be revised to include the proposed rails. • Bridge rails have been included in the model. 20. The proposed Freeport Parkway crossing provides less than two feet of freeboard in ultimate conditions. A minimum of two feet of freeboard to the low chord is required. • Per coordination with the City, the crossings have been designed to provide 2 -feet of freeboard based on FIS /Effective Discharges and 1 -foot of freeboard based on Ultimate Discharges. 21. The construction plans provided in the report should be plotted to scale. • The construction plans have been plotted to scale. 22. The ultimate condition hydraulic models indicate an increase in BFE between cross sections 18805 and 18969. The City of Coppell Floodplain Management Ordinance does not allow for increases in BFEs. • Revisions to the hydraulic models, as well as revisions to the flow change locations (based on Comment 6) result in no increase in 100 -year ultimate flood elevations. 23. The 500 -year floodplain boundary should be delineated on the provided exhibits. • 500 -year flood boundary has been added to the exhibits. This concludes TNP's response to comments. Please feel free to contact me should you have any questions. Sincerely, tnp teague nail & perkins e�_ �_ AIII� Nirai A. Acharya, P.E., CFM nacha rya 2Wtn p inc.com ATTACHMENTS: CLOMR for Sandy Lake Road and Freeport Parkway (2'd Submittal) CC: Mr. Bradford Pickering, Kimley -Horn Associates stn p teague nall & perkins www.tnpinc.com March 22, 2013 Mr. Ken Griffin, P.E., CFM Director of Engineering and Public Works City of Coppell 255 Parkway Boulevard Coppell, TX 75019 RE: CLOMR for Sandy Lake Road and Freeport Parkway Along Cottonwood Branch City of Coppell, Dallas County, TX (FIRM no. 48113COO10L) TNP# CPL00243 -02 Dear Mr. Griffin: Please find enclosed a request for a Conditional Letter of Map Revision ( CLOMR) for Cottonwood Branch, located in the City of Coppell, Dallas County, Texas. The CLOMR is being requested to reflect floodplain impacts as a result of the bridge improvements proposed at Sandy Lake Road and Freeport Parkway. The revision reach can be found on FIRM Panel 481 13C001 OL. The stream is currently mapped as a FEMA Zone AE Special Flood Hazard Area with designated floodway. Included within the submittal are completed FEMA MT -2 forms, a narrative report, supporting exhibits, and digital hydraulic models. It is our understanding that the CLOMR is not anticipated to be submitted to FEMA for review. As such, no action is necessary from the City in regards to remittance of review fees or mailing of the CLOMR documents. Moreover, the document serves to summarize the methodologies employed, results of the modeling effort, and validate that the proposed designs are commensurate with the City's ordinances, policies, and design criteria. Please note that, while not typically required for a FEMA submittal, the models (and documents) reflect evaluations of the proposed improvements under ultimate conditions flows, as required by City ordinance. Furthermore, as per collaboration and agreement with City staff, the proposed bridge crossings demonstrate 2 -feet of freeboard based on FIS flows, and 1 -foot of freeboard based on Ultimate flows (City Wide Storm Water Study; Halff Associates; 1991). The improvements do not appear to create adverse impacts to 100 -year existing or ultimate flood elevations. If upon your review you have any questions, please do not hesitate to contact me at any time. Sincerely, tnp teague nail & perkins Niraj A. Acharya, P.E., CFM nacharya(CD_tnpinc.com engineers surveyors landscape architects Fort Worth - 1 100 Macon Street- Fort Worth, Texas 76102 - 817.336.5773 ^ Dallas - 17304 Preston Road, Suite 1340 - Dallas, Texas 75252 - 214.461.9867 Denton- 1517 Centre Place Drive, Suite 320 - Denton, Texas 76205- 940.383.4177 Sherman- 200 North Travis Street, Suite 500- Sherman, Texas 75090- 903.870.1089 Registered by the Texas Board of Professional Engineers, Firm No. F -230 - Registered by the Texas Board of Professional Surveyors, Firm No. 100116-00 Report Contents MT -2 FORMS INTRODUCTION....................................................... 1 ............................... LOCATION AND BACKGROUND 1 ................................ ............................... HYDROLOGICMODELING 1 ......................................... ............................... Table1: Cottonwood Branch Flow Summary ...................................................... ..............................1 HYDRAULICMODELING 2 ........................................... ............................... EFFECTIVEMODEL ....................................................................................... ............................... 2 FEMAData Request .............................................................................. ............................... 2 EffectiveFloodplain Model ................................................................... ............................... 2 EffectiveFloodway Model .................................................................... ............................... 2 DUPLICATEEFFECTIVE MODELS .................................................................. ............................... 2 DuplicateEffective Floodplain .............................................................. ............................... 2 DuplicateEffective Floodway ................................................................ ............................... 3 REVISEDEXISTING MODEL .......................................................................... ............................... 3 RevisedExisting Floodplain ................................................................... ............................... 3 Table 2: Effective and Revised Existing Hydraulic Parameter Comparison .......... ............................... 4 POST - PROJECT MODEL ................................................................................ ............................... 4 ProposedImprovements ...................................................................... ............................... 4 Post - Project Conditions Floodplain ....................................................... ............................... 5 Table3: 100 -Year WSEL Comparison (FIS Flows) ................................................ ............................... 6 Post - Project Conditions Floodway ........................................................ ............................... 6 ULTIMATE CONDITIONS CONSIDERATIONS ................................................ ............................... 7 Table 4: 100 -Year WSEL Comparison (Ultimate Flows) ....................................... ............................... 7 CONCLUSION........................................................... ............................... 8 EXHIBITS Exhibit 1— Location Map Exhibit 2A — Topographic Workmap - Sandy Lake Rd. — FIS Discharges Exhibit 26 —Topographic Workmap - Sandy Lake Rd. — Ultimate Discharges Exhibit 3A —Topographic Workmap — Freeport Pkwy. — FIS Discharges Exhibit 313 — Topographic Workmap — Freeport Pkwy. — Ultimate Discharges Exhibit 4 —Annotated FIRM Exhibit 5 — Construction Plans (Proposed) — Sandy Lake Rd. Exhibit 6 — Construction Plans (Proposed) — Freeport Pkwy. TOC -i APPENDIX A: EFFECTIVE DATA • MAPMOD FIRM (Preliminary) • FIS Peak Discharge Summary • Flood Profiles (Cottonwood Branch and Denton Creek) • Floodway Data APPENDIX 8: MODELING DATA • Effective Floodplain Output (not provided by FEMA) • Effective Floodway Output • Duplicate Effective Floodplain Output • Duplicate Effective Floodway • Revised Existing Floodplain Output (FIS Discharges) • Post - Project Floodplain Output (FIS Discharges) • Post - Project Floodway Output (FIS Discharges) • Revised Existing Floodplain Output (Ultimate Discharges) • Post - Project Floodplain Output (Ultimate Discharges) APPENDIX C: DIGITAL DATA (CD placed on inside back cover) • Report and Exhibits PDF • Digital Models (HEC -2 & HEC -RAS) • Model Input and Reports • ESRI Shapefiles TOC -ii U.S. DEPARTMENT OF HOMELAND SECURITY FEDERAL EMERGENCY MANAGEMENT AGENCY OVERVIEW & CONCURRENCE FORM PAPERWORK BURDEN DISCLOSURE NOTICE O.M.B No. 1660 -0016 Expires February 28, 2014 blic reporting burden for this form is estimated to average 1 hours per response. The burden estimate includes the time for reviewing instructions, searching existing data sources, gathering and maintaining the needed data, and completing, reviewing, and submitting the form. You are not required to respond to this collection of information unless it displays a valid OMB control number. Send comments regarding the accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security, Federal Emergency Management Agency, 1800 South Bell Street, Arlington, VA 20958 -3005, Paperwork Reduction Project (1660- 0016). Submission of the form is required to obtain or retain benefits under the National Flood Insurance Program. Please do not send your completed survev to the above address. PRIVACY ACT STATEMENT AUTHORITY: The National Flood Insurance Act of 1968, Public Law 90 -448, as amended by the Flood Disaster Protection Act of 1973, Public Law 93 -234 PRINCIPAL PURPOSE(S): This information is being collected for the purpose of determining an applicants eligibility to request changes to National Flood Insurance Program (NFIP) Flood Insurance Rate Maps (FIRM). ROUTINE USE(S): The information on this form may be disclosed as generally permitted under 5 U.S.0 § 552a(b) of the Privacy Act of 1974, as amended. This includes using this information as necessary and authorized by the routine uses published in DHS /FEMA/NFIP /LOMA -1 National Flood Insurance Program (NFIP); Letter of Map Amendment (LOMA) February 15, 2006, 71 FR 7990. DISCLOSURE: The disclosure of information on this form is voluntary; however, failure to provide the information requested may delay or prevent FEMA from processing a determination regarding a requested change to a (NFIP) Flood Insurance Rate Mays (FIRM). A. REQUESTED RESPONSE FROM DHS -FEMA This request is for a (check one): ® CLOMR: A letter from DHS -FEMA commenting on whether a proposed project, if built as proposed, would justify a map revision, or proposed hydrology changes (See 44 CFR Ch. 1, Parts 60, 65 & 72). ❑ LOMR: A letter from DHS -FEMA officially revising the current NFIP map to show the changes to floodplains, regulatory floodway or flood elevations. (See 44 CFR Ch. 1, Parts 60, 65 & 72) B. OVERVIEW 1. The NFIP map panel(s) affected for all impacted communities is (are): No. Community Name State Map No. Panel No. Effective Date ,,nmunily xample: 480301 City of Katy TX 48473C 0005D 02/08/83 480287 Harris County TX 48201 C 0220G 09/28/90 480170 City of Coppell TX 48113C 00101- N/A (Prelim) 2. a. Flooding Source: Cottonwood Branch b. Types of Flooding: ® Riverine ❑ Coastal ❑ Shallow Flooding (e.g., Zones AO and AH) ❑ Alluvial fan ❑ Lakes ❑ Other (Attach Description) 1 Project Name /Identifier: Sandy Lake & Freeport CLOMR 4. FEMA zone designations affected: AE, X500 (choices: A, AH, AO, Al -A30, A99, AE, AR, V, V1 -V30, VE, B, C, D, X) 5. Basis for Request and Type of Revision: a. The basis for this revision request is (check all that apply) ® Physical Change ® Improved Methodology /Data ❑ Regulatory Floodway Revision ❑ Base Map Changes ❑ Coastal Analysis ® Hydraulic Analysis ❑ Hydrologic Analysis ❑ Corrections ❑ Weir -Dam Changes ❑ Levee Certification ❑ Alluvial Fan Analysis ❑ Natural Changes ® New Topographic Data ❑ Other (Attach Description) Note: A photograph and narrative description of the area of concern is not required, but is very helpful during review. b. The area of revision encompasses the following structures (check all that apply) Structures: ❑ Channelization ❑ Levee / Floodwal ® Bridge /Culvert ❑ Dam ❑ Fill ❑ Other (Attach Description) FEMA Form 086 -0 -27, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 1 Page 1 of 3 6. ❑ Documentation of ESA compliance is submitted (required to initiate CLOMR review). Please refer to the instructions for more information. C. REVIEW FEE Has the review fee for the appropriate request category been included? ❑ Yes Fee amount: $ ® No, (not being submitted to FEMA) Pivase see the DHS -FEMA Web site at http:/Avww.fema.gov/plan/prevent/fhm/frm fees.shtm for Fee Amounts and Exemptions. D. SIGNATURE All documents submitted in support of this request are correct to the best of my knowledge. I understand that any false statement may be punishable by fine or imprisonment under Title 18 of the United States Code, Section 1001. Name: Keith Marvin, P.E. Company: City of Coppell Mailing Address: Daytime Telephone No.: 972.304.3562 Fax No.: 972.304.3570 255 Pakrway Blvd. E -Mail Address: kmarvin @coppelltx.gov Coppell, TX 75019 Signature of Requester (required): Date: As the community official responsible for floodplain management, I hereby acknowledge that we have received and reviewed this Letter of Map Revision (LOMR) or conditional LOMR request. Based upon the community's review, we find the completed or proposed project meets or is designed to meet all of the community floodplain management requirements, including the requirements for when fill is placed in the regulatory floodway, and that all necessary Federal, State, and local permits have been, or in the case of a conditional LOMR, will be obtained. For Conditional LOMR requests, the applicant has documented Endangered Species Act (ESA) compliance to FEMA prior to FEMA's review of the Conditional LOMR application. For LOMB requests, I acknowledge that compliance with Sections 9 and 10 of the ESA has been achieved independently of FEMA's process. For actions authorized, funded, or being carried out by Federal or State agencies, documentation from the agency showing its compliance with Section 7(a)(2) -f the ESA will be submitted. In addition, we have determined that the land and any existing or proposed structures to be removed from the SFHA are ,ill be reasonably safe from flooding as defined in 44CFR 65.2(c), and that we have available upon request by FEMA, all analyses and ,umentation used to make this determination. Community Official's Name and Title: Ken Griffin, P.E. Community Name: City of Coppell Mailing Address: Daytime Telephone No.: 972.304.3686 Fax No.: 972.304.3570 255 Pakrway Blvd. E -Mail Address: kgriffin @coppelltx.gov Coppell, TX 75019 Community Official's Signature (required): Date: CERTIFICATION BY REGISTERED PROFESSIONAL ENGINEER AND /OR LAND SURVEYOR This certification is to be signed and sealed by a licensed land surveyor, registered professional engineer, or architect authorized by law to certify elevation information data, hydrologic and hydraulic analysis, and any other supporting information as per NFIP regulations paragraph 65.2(b) and as described in the MT -2 Forms Instructions. All documents submitted in support of this request are correct to the best of my knowledge. I understand that any false statement may be punishable by fine or imprisonment under Title 18 of the United States Code, Section 1001. Certifier's Name: Niraj Acharya, P.E., CFM License No.: 107110 Expiration Date: 9/30/2013 Company Name: Teague Nall and Perkins, Inc. Telephone No.: 817.336.5773 Fax No.: 817.336.2813 Signature: Date:3lZZ E -Mail Address: nacharya @tnpinc.com IFI FEMA Form 086 -0 -27, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 1 Page 2 of 3 Ensure the forms that are appropriate to your revision request are included in your submittal. Form Name and (Number) Required if ... ® Riverine Hydrology and Hydraulics Form (Form 2) New or revised discharges or water - surface elevations ® Riverine Structures Form (Form 3) Channel is modified, addition /revision of bridge /culverts, addition /revision of levee /floodwall, addition /revision of dam ❑ Coastal Analysis Form (Form 4) ❑ Coastal Struc!,yres Form (Form 5) ❑ Alluvial Fen Flooding Form (Form 6) New or revised coastal elevations Addition /revision of coastal structure Flood control measures on alluvial fans NIRAi A. ACHARYA 107110 9CENSV� FEMA Form 086 -0 -27, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 1 Page 3 of 3 U.S. DEPARTMENT OF HOMELAND SECURITY FEDERAL EMERGENCY MANAGEMENT AGENCY O.M.RNo. 1660 -0016 RIVERINE HYDROLOGY & HYDRAULICS FORM Expires February 28, 2014 PAPERWORK BURDEN DISCLOSURE NOTICE Public reporting burden for this form is estimated to average 3.5 hours per response. The burden estimate includes the time for reviewing instructions, searching existing data sources, gathering and maintaining the needed data, and completing, reviewing, and submitting the form. You are not required to respond to this collection of information unless a valid OMB control number appears in the upper right corner of this form. Send comments regarding the accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security, Federal Emergency Management Agency, 1800 South Bell Street, Arlington VA 20958 -3005, Paperwork Reduction Project X1660- 0016). Submission of the form is required to obtain or retain benefits under the National Flood Insurance Program. Please do not send your completed survey to the above address. PRIVACY ACT STATEMENT AUTHORITY: The National Flood Insurance Act of 1968, Public Law 90 -448, as amended by the Flood Disaster Protection Act of 1973, Public Law 93 -234. PRINCIPAL PURPOSE(S): This information is being collected for the purpose of determining an applicant's eligibility to request changes to National Flood Insurance Program (NFIP) Flood Insurance Rate Maps (FIRM). ROUTINE USE(S): The information on this form may be disclosed as generally permitted under 5 U.S.0 § 552a(b) of the Privacy Act of 1974, as amended. This includes using this information as necessary and authorized by the routine uses published in DHS /FEMA/NFIP /LOMA -1 National Flood Insurance Program (NFIP); Letter of Map Amendment (LOMA) February 15, 2006, 71 FR 7990. DISCLOSURE: The disclosure of information on this form is voluntary; however, failure to provide the information requested may delay or prevent FEMA from processing a determination regarding a requested change to a NFIP Flood Insurance Rate Maps (FIRM). Flooding Source: Cottonwood Branch Note: Fill out one form for each flooding source studied A. HYDROLOGY 1. Reason for New Hydrologic Analysis (check all that apply) Not revised (skip to section B) ❑ No existing analysis ❑ Improved data D Alternative methodology ❑ Proposed Conditions (CLOMR) ❑ Changed physical condition of watershed 2. Comparison of Representative 1 %- Annual- Chance Discharges Location Drainage Area (Sq. Mi.) Effective /FIS (cfs) Revised (cfs) 3. Methodology for New Hydrologic Analysis (check all that apply) ❑ Statistical Analysis of Gage Records ❑ Precipitation /Runoff Model 4 Specify Model: ❑ Regional Regression Equations ❑ Other (please attach description) Please enclose all relevant models in digital format, maps, computations (including computation of parameters), and documentation to support the new analysis. 4. Review /Approval of Analysis If your community requires a regional, state, or federal agency to review the hydrologic analysis, please attach evidence of approval /review. 5. Impacts of Sediment Transport on Hydrology Is the hydrology for the revised flooding source(s) affected by sediment transport? ❑ Yes ❑ No If yes, then fill out Section F (Sediment Transport) of Form 3. If No, then attach your explanation.. FEMA Form 086- 0 -27A, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 2 Page 1 of 3 B. HYDRAULICS 1. Reach to be Revised Description Cross Section Water - Surface Elevations (ft.) Effective Proposed /Revised Downstream limit* 1400ft D/S of Sandy Lake Rd. 8000 473.18 473.28 Upstream Limit* 2000ft U/S of Freeport Pkwv 14600 495.05 495.10 *Proposed /Revised elevations must tie -into the Effective elevations within 0.5 foot at the downstream and upstream limits of revision. 2. Hydraulic Method /Model Used: HEC -RAS v. 4.1 —1 -D, Steady State, Backwater Analysis 3. Pre - Submittal Review of Hydraulic Models* DHS -FEMA has developed two review programs, CHECK -2 and CHECK -RAS, to aid in the review of HEC -2 and HEC -RAS hydraulic models, respectively. We recommend that you review your HEC-2 and HEC -RAS models with CHECK -2 and CHECK -RAS. 4. Models Submitted Duplicate Effective Model* Corrected Effective Model* Existing or Pre - Project Conditions Model Revised or Post - Project Conditions Model Other - (attach description) Natural Run File Name: Plan Name: *.p02 Duplicate Eff FP File Name: Plan Name: File Name: Plan Name: *.p03 Revised Existing Plan Name: FP File Name: Plan Name: *.p13 Post Project FP File Name: Plan Name: * For details, refer to the corresponding section of the instructions. Floodwav Run Datum File Name: Plan Name: *.p01 Duplicate Eff FW NAVD88 File Name: Plan Name: File Name: Plan Name: *.p04 Revised Existing FW NAVD88 File Name: Plan Name: *.p07 Post Project FW NAVD88 File Name: Plan Name: ® Digital Models Submitted? (Required) C. MAPPING REQUIREMENTS ertified topographic work map must be submitted showing the following information (where applicable): the boundaries of the effective, existing, and proposed conditions 1 %- annual - chance floodplain (for approximate Zone A revisions) or the boundaries of the 1 %- and 0.2 %- annual -chance floodplains and regulatory floodway (for detailed Zone AE, AO, and AH revisions); location and alignment of all cross sections with stationing control indicated; stream, road, and other alignments (e.g., dams, levees, etc.); current community easements and boundaries; boundaries of the requester's property; certification of a registered professional engineer registered in the subject State; location and description of reference marks; and the referenced vertical datum (NGVD, NAVD, etc.). ® Digital Mapping (GIS/CADD) Data Submitted (preferred) Topographic Information: 1' ground survey and 2' aerial topographic contours Source: Ground Survey by TNP. Inc.: aerial by NCTCOG Date: Accuracy: Note that the boundaries of the existing or proposed conditions floodplains and regulatory floodway to be shown on the revised FIRM and /or FBFM must tie -in with the effective floodplain and regulatory floodway boundaries. Please attach a copy of the effective FIRM and /or FBFM, at the same scale as the original, annotated to show the boundaries of the revised 1 % -and 0.2 %- annual -chance floodplains and regulatory floodway that tie -in with the boundaries of the effective 1% -and 0.2 %- annual -chance floodplain and regulatory floodway at the upstream and downstream limits of the area on revision. ® Annotated FIRM and /or FBFM (Required) FEMA Form 086- 0 -27A, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 2 Page 2 of 3 D. COMMON REGULATORY REQUIREMENTS" Y J 1. For LOMR/CLOMR requests, do Base Flood Elevations (BFEs) increase? ® Yes ❑ No a. For CLOMR requests, if either of the following is true, please submit evidence of compliance with Section 65.12 of the NFIP regulations: • The proposed project encroaches upon a regulatory floodway and would result in increases above 0.00 foot compared to pre - project conditions. • The proposed project encroaches upon a SFHA with or without BFEs established and would result in increases above 1.00 foot compared to pre - project conditions. t. Does this LOWR request cause increase in the BFE and /or SFHA compared with the effective BFEs and /or SFHA? ❑ Yes ❑ No If Yes, please attach proof of property owner notification and acceptance (if available). Elements of and examples of property owner notifications can be found in the MT -2 Form 2 Instructions. 2. Does the request involve the placement or proposed placement of fill? ® Yes ❑ No If Yes, the community must be able to certify that the area to be removed from the special flood hazard area, to include any structures or proposed structures, meets all of the standards of the local floodplain ordinances, and is reasonably safe from flooding in accordance with the NFIP regulations set forth at 44 CFR 60.3(A)(3), 65.5(a)(4), and 65.6(a)(14). Please see the MT -2 instructions for more information. 3. For LOMR requests, is the regulatory floodway being revised? ® Yes ❑ No If Yes, attach evidence of regulatory floodway revision notification. As per Paragraph 65.7(b)(1) of the NFIP Regulations, notification is required for requests involving revisions to the regulatory floodway. (Not required for revisions to approximate 1 %- annual -chance floodplains [studied Zone A designation] unless a regulatory floodway is being established. Elements and examples of regulatory floodway revision notification can !�e found in the MT -2 Form 2 Instructions.) 4. For CLOMR requests, please submit documentation to FEMA and the community to show that you have complied with Sections 9 and 10 of the Endangered Species Act (ESA). For a�. ,,r,s e�jtiiurzed, Wnded, or being carried out by Federal or State agencies, please submit documentation from the agency showing its cui.,pliance wiih SeL.Jon r (a)(2) of the ESA. Please see the MT -2 instructions for more detail. .* Not inclusive of all applicable regulatory requirements. For details, see 44 CFR parts 60 and 65. FEMA Form 086- 0 -27A, (2/2011) Previously FEMA Form 81 -89 MT -2 Form 2 Page 3 of 3 DEPARTMENT OF HOMELAND SECURITY FEDERAL EMERGENCY MANAGEMENT AGENCY RIVERINE STRUCTURES FORM O.M.B. NO. 1660 -0016 Expires February 28, 2014 PAPERWORK BURDEN DISCLOSURE NOTICE Public reporting burden for this form is estimated to average 7 hours per response. The burden estimate includes the time for reviewing instructions, searching existing data sources, gathering and maintaining the needed data, and completing, reviewing, and submitting the form. You are not required to respond to this collection of information unless a valid OMB control number appears in the upper right corner of this form. Send comments regarding the accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security, Federal Emergency Management Agency, 1800 South Bell Street, Arlington, VA 20598 -3005, Paperwork Reduction Project (1660- 0016). Submission of the form is required to obtain or retain benefits under the National Flood Insurance Program. Please do not send your completed survey to the above address. PRIVACY ACT STATEMENT AUTHORITY: The National Flood Insurance Act of 1968, Public Law 90 -448, as amended by the Flood Disaster Protection Act of 1973, Public Law 93 -234. PRINCIPAL PURPOSE(S): This information is being collected for the purpose of determining an applicant's eligibility to request changes to National Flood Insurance Program (NFIP) Flood Insurance Rate Maps (FIRM). ROUTINE USE(S): The information on this form may be disclosed as generally permitted under 5 U.S.0 § 552a(b) of the Privacy Act of 1974, as amended. This includes using this information as necessary and authorized by the routine uses published in DHS /FEMA/NFIP /LOMA -1 National Flood Insurance Program; Letter of Map Amendment (LOMA) February 15, 2006, 71 FR 7990. DISCLOSURE: The disclosure of information on this form is voluntary; however, failure to provide the information requested may delay or prevent FEMA from processing a determination regarding a requested change to a NFIP Flood Insurance Rate Maps (FIRM). Flooding Source: Cottonwood Branch f )(,I - Fill out one form for each flooding source studied. A. GENERAL Complete the appropriate section(s) for each Structure listed below: Channelization ...............complete Section B Bridge /Culvert ................complete Section C Dam ........ .......................complete Section D Levee /Floodwall .............complete Section E Sediment Transport ........ complete Section F (if required) Desc,iution Of Modeled Structure "ame of Structure: Sandy Lake Road Bridge Type (check one): ❑ Channelization ® Bridge /Culvert ❑ Levee /Floodwall ❑ Dam Location of Structure: Sandy Lake Road Cad Cottonwood Branch (between Winding Hollow Lane and N. Coppell Road) Downstream Limit/Cross Section: 9430 Upstream Limit/Cross Section: 9590 2. Name of Structure: Freeport Parkway Bridge Type (check one): ❑ Channelization ® Bridge /Culvert ❑ Levee /Floodwall ❑ Dam Location of Structure: Freeport Parkway (? Cottonwood Branch (1850 feet north of Ruby Road) Downstream Limit/Cross Section: 12567 Upstream Limit/Cross Section: 12707 3. Name of Structure: Type (check one) ❑ Channelization ❑ Bridge /Culvert ❑ Levee /Floodwall ❑ Dam Location of Structure: Downstream Limit/Cross Section: Upstream Limit/Cross Section: NOTE: FOR MORE STRUCTURES, ATTACH ADDITIONAL PAGES AS NEEDED. FEMA Form 086- 0 -27B, (2/2011) Previously FEMA Form 81-898 MT -2 Form 3 Page 1 of 3 Name of 1. Hy The channel was lesiNQ to carry (cfs) and /or the -year flood. 4li The design elevation in the nel is based on (check one): Subcritical flow Critical flow [I Supercritical flow ❑Energy grade line If there is the potential for a hydraulic ju t the following locations, check all that apply ttach an explanation of how the hydraulic ;amp is controlled without affecting the stabs f the channel. ❑ Inlet to channel ❑ Outlet of channel ❑ At Structures ❑ ❑ Other locations (specify): 2. Channel Design Plans Attach the plans of the channelization certified by a re red professional eer, as described in the instructions. 3. Accessory Structures The channelization includes (check on ❑ Levees [Attach Section E (Le loodwall)] ❑ Drop structures ❑ Superelevate ions 1 Transitions in cross se I geometry ❑ Debris basin /detention basin [Attach Section D (D asin)] ❑ Energy dissipator ❑ Weir ❑ Other (Describe): 4 A.c i , raulics of the channel affected by sediment transport? [] Yes ❑ No \ f > S, then fill out Section F (Sediment Transport) of Form 3. If No, then attach your explanation for why sediment transport was not C. BRIDGE /CULVERT r :JUdir,g Source: Cottonwood Branch Name of Structure: Sandy Lake Drive Bridge 1. This revision reflects (check one): C 6-i -Ige /culvert not modeled in the FIS Modified bridge /culvert previously modeled in the FIS ❑ Revised analysis of bridge /culvert previously modeled in the FIS 2. Hydraulic model used to analyze the structure (e.g., HEC -2 with special bridge routine, WSPRO, HY8): HEC -RAS v. 4.1 If different than hydraulic analysis for the flooding source, justify why the hydraulic analysis used for the flooding source could not analyze the structures. Attach justification. 3. Attach plans of the structures certified by a registered professional engineer. The plan detail and information should include the following (check the information that has been provided): ® Dimensions (height, width, span, radius, length) ® Distances Between Cross Sections ❑ Shape (culverts only) ® Erosion Protection ❑ Material ® Low Chord Elevations — Upstream and Downstream ❑ Beveling or Rounding ® Top of Road Elevations — Upstream and Downstream ❑ Wing Wall Angle ® Structure Invert Elevations — Upstream and Downstream ® Skew Angle ® Stream Invert Elevations — Upstream and Downstream ® Cross - Section Locations 14. Sediment Transport Considerations Are the hydraulics of the structure affected by sediment transport? ❑ Yes ® No If Yes, then fill out Section F (Sediment Transport) of Form 3. If no, then attach an exl ATTACHED FEMA Form 086- 0-27B, (2/2011) Previously FEMA Form 81-89B MT -2 Form 3 Page 2 of 3 4' Name of 1 B. CHANNELIZATION The channel was design carry (cfs) and /or the -year flood. The design elevation in the ch I is based on (check one): ❑ Subcritical flow itical flow ❑ Supercritical flow ❑ Energy grade line ri there is the potential for a hydraulic jump a following locations, check all that apply ttach an explanation of how the hydraulic jump is controlled without affecting the stability of the c el. ❑ Inlet to channel ❑ Outlet of channel ❑ At Dro uctures ❑ ❑ Other locations (specify): 2. Channel Design Plans Attach the plans of the channelization certified by a re ' red professional eng r, as described in the instructions. 3. Accessoy Structures The channelization includes (check o [� Levees [Attach Section E (L Floodwall)] ❑ Drop structures ❑ Superelevated s s ❑ l ransitions in cros�EEII l geometry ❑ Debris basin /detention basin [Attach Section D (Da n)] ❑ Energy dissipator ❑ Weir Other (Describe): ;;�a th .SoMiaulics of the channel affected by sediment transport? ❑ Yes ❑ No IN then fill out Section F (Sediment Transport) of Form 3. If No, then attach your explanation for why sediment transport was not C. BRIDGE /CULVERT Flooding Source: Cottonwood Branch Name of Structure: Freeport Parkway Bridge 3. This revision reflects (check one): S � 3rdge culvert not modeled in the FIS ® Modified bridge /culvert previously modeled in the FIS ❑ Revised analysis of bridge /culvert previously modeled in the FIS 4. Hydraulic model used to analyze the structure (e.g., HEC -2 with special bridge routine, WSPRO, HY8): HEC -RAS v. 4.1 If different than hydraulic analysis for the flooding source, justify why the hydraulic analysis used for the flooding source could not analyze the structures. Attach justification. 3. Attach plans of the structures certified by a registered professional engineer. The plan detail and information should include the following (check the information that has been provided): ® Dimensions (height, width, span, radius, length) ® Distances Between Cross Sections ❑ Shape (culverts only) ® Erosion Protection ❑ Material ® Low Chord Elevations — Upstream and Downstream ❑ Beveling or Rounding ® Top of Road Elevations — Upstream and Downstream ❑ Wing Wall Angle ® Structure Invert Elevations — Upstream and Downstream ® Skew Angle ® Stream Invert Elevations — Upstream and Downstream ® Cross - Section Locations 4. Sediment Transport Considerations Are the hydraulics of the structure affected by sediment transport? ❑ Yes ® No If Yes, then fill out Section F (Sediment Transport) of Form 3. If no, then attach an explanation. (SEE ATTACHED SUPPLEMENT) FEMA Form 086- 0 -27B, (212011) Previously FEMA Form 81-898 MT -2 Form 3 Page 3 of 3 MT -2 Supplemental Page "Riverine Structures Form" (MT -2 Form 3, Page 2 and 3 of 11) Section C, "Was Sediment Transport Considered" at present, the channel reaches through both project locations demonstrate stability in the forms of riffle and pool formations, as well as point and center bar formations. During construction, a detailed erosion control plan is anticipated to be implemented, with any disturbed areas to be protected by armoring or re- vegetation. Additionally, proposed improvements will not significantly alter velocities and /or sediment transport through the project reach. The proposed improvements will not create a significant potential for altering the stream hydrology through erosion or sedimentation. COPPELL Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway INTRODUCTION This summary serves to support a request for a Conditional Letter of Map Revision (CLOMR) to reflect proposed bridge improvements at Sandy Lake Rd and Freeport Parkway, along Cottonwood Branch in the City of Coppell, Dallas County, Texas. This CLOMR request is being submitted to the Federal Emergency Management Agency (FEMA) on behalf of the City of Coppell. LOCATION AND BACKGROUND Cottonwood Branch crosses Freeport Parkway approximately 2,200 feet south of the intersection of Freeport Parkway and Sandy Lake Road. The creek then flows approximately 2,900 feet downstream (towards the northeast) before crossing Sandy Lake Road. The creek ultimately combines with the main stem of Denton Creek, approximately 1.5 miles downstream of Sandy Lake Road. Exhibit 1 — "Location Map" - depicts the stream alignment and location. Cottonwood Branch is a FEMA studied stream (Zone AE, with a Floodway) as shown on preliminary Digital Flood Insurance Rate Map (DFIRM) 48113C0010L. For the purposes of this CLOMR request, mapping comparisons of the Revised Existing and Post - Project floodplains are made with the preliminary DFIRM / MAPMOD. This was done (with the City's consent) on the direction of FEMA's Cooperating Technical Partner for the Dallas County MAPMOD, Halff Associates. Preliminary MAPMOD data is provided in Appendix A, including: a copy of the preliminary DFIRM map, Summary of Peak Discharges, Flood Profiles, and Floodway Encroachment data. HYDROLOGIC MODELING No new hydrology was performed as part of this analysis. Flows published in the preliminary MAPMOD Flood Insurance Study for Dallas County were used for existing conditions. These flows, which include the 10 -, 50 -, 100 -, and 500 -year peak discharges, also match the current effective (2001) PIS study. The proposed bridges are designed to pass the 100 -year ultimate flows, which were obtained from the "City -Wide Storm Water Management Study for the City of Coppell ( Halff Associates; Jan 1991)." Peak flows are summarized in Table 1. Based on coordination with the City, the bridges are designed for 2 -feet of freeboard under PIS discharges and 1 -foot of freeboard under Ultimate discharges. Table 1: Cottonwood Branch Flow Summary Cross °Section FEMA. ultimate Comlin 10- r r 1 0= r.; 500= r ° 100 =`�`T' cfs cfs . cfs . (cfs ) 22510 3,600 5,000 5,600 7,100 6,960 At Royal Lane. 11230 4,200 5,900 6,700 8,600 8,250 At Freeport Pkwy. 8000 4,500 6,400 7,300 9,400 8,250 JAt Sandy Lake Rd. 6710 4,500 6,400 7,300 9,400 8,390 JAt Denton Tap Rd. CPL00243 -02 (March 2013) Page 1 ^tP-p- COPPELL HYDRAULIC MODELING Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway FEMA Data Request Requests were made to FEMA in order to obtain the effective floodplain and floodway models for Cottonwood Branch. This request resulted in a digital HEC -2 floodway model for the stream. FEMA was unable to locate any floodplain models as part of this data request. FEMA also provided a hardcopy of the letter of determination that was distributed after acceptance of the LOMR for the Parkway Boulevard improvements (LOMB Case No. 94- 06- 307P). Unfortunately, it does not appear that the digital models provided by FEMA match the revised flood profiles provided with the letter of determination. In fact, the provided digital model does not include stream crossings at Parkway Boulevard or Denton Tap Road. Effective Floodplain Model Since no digital floodplain model was made available by FEMA, Effective floodplain elevations were obtained from the un- encroached, 100 -year water surface elevations listed in the HEC -2 floodway output table. These values are tabulated in Table 3. Effective Floodway Model The digital floodway model obtained from FEMA was executed using the HEC -2 software. The resulting output contains "negative surcharges" in some locations. That is, the 100 -year WSEL is reduced when floodway encroachments are included. These results render the effective floodway out of compliance with current National Flood Insurance Program (NFIP) standards. Furthermore, the floodway widths contained within this model do not match the floodway widths currently shown on the preliminary DFIRM flood maps, within the project reach. Effective floodplain /floodway limits (obtained from the preliminary DFIRM data) are provided on the FIRM map in Appendix A. DUPLICATE EFFECTIVE MODELS Duplicate Effective Floodplain The duplicate effective floodplain model was created by importing the HEC -2 Effective floodway model (discussed above) into HEC -RAS and making minimal revisions to allow the model to run. These changes consisted of: 1. Adjusting bounding bridge sections to be 1' off of the structure, and 2. Removal of the floodway encroachments. The effective model code appears to contain eight (8) cross sections (sections 32816 to 34822) that are common with Denton Creek, the receiving stream for Cottonwood Branch. These sections were imported as cross - sections 1 through 8 in HEC -RAS in order to maintain continuity in stream stationing, thereby allowing the software to identify the sections in their appropriate location. CPL00243 -02 (March 2013) It tn—P Page 2 _. _ . CPPELL O Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway The effective model utilized a starting 100 -year WSEL of 464.39 as the downstream boundary condition (at cross section 32816). This value does not appear to match the WSEL shown in the effective Denton Creek flood profiles at Station 328 +16. This value was revised in subsequent "Revised Existing" runs (discussed below). The resulting 100 -year profile matches the effective FIS profile within 0.00 feet and 0.21 feet at the downstream and upstream limits, respectively, as indicated in Table 3. A comparison of the 100 -year WSELs from the Effective Model and Duplicate Effective model are given in the "Duplicate Effective" section of Appendix B. The differences in water surface elevations are attributed to changes necessary to execute HEC -2 models in HEC -RAS (namely reach length revisions), as well as differences in the hydraulic computation engines between both platforms, particularly at bridges and culverts. Duplicate Effective Floodway Using the duplicate effective floodplain model as a base, the duplicate effective floodway model was created by inserting the effective model encroachment stations listed in the HEC -2 input. Again, these encroachment widths do not match the floodway widths shown on the DFIRM map in the project reach. There appear to be four (4) cross sections in the HEC -2 model that do not have floodway data (Cross sections 32816, 11380, 11880, and 12420). The floodway encroachments for these sections were determined by measuring the effective floodway widths from the preliminary DFIRM data. Similar to the Effective Floodway model, the Duplicate Effective Floodway model also shows negative surcharge (cross sections 9590, 10120, 12675, 19794, 19944, 20069). REVISED EXISTING MODEL Revised Existing Floodplain The Revised Existing Floodplain model was created by adding and updating topographic definition and hydraulic data in the Duplicate Effective Model. Updates were made to cross sections 9430 through 9590 (for Sandy Lake Road) and 12420 through 12957 (for Freeport Parkway) to reflect design ground survey conducted by TNP, as well as newer aerial topographic data in the overbanks. Reach lengths, Manning's "n" values, and contraction /expansion coefficients were also changed in this model in order to reflect the present floodplain conditions. The changes to hydraulic parameters between the (Duplicate) Effective and Revised Existing model are documented in Table 2. The original HEC -2 model provided by FEMA only contains peak discharge information for the 100 -year event. Peak discharges for the 10 -, 50 -, and 500 -year event were added using the information provided in the FIS Study. The effective model uses a known 100 -year WSEL of 464.39 at cross - section 32816 (equivalent to cross section 1 in the Revised Existing HEC -RAS model) as the downstream boundary condition. This value does not match the WSELs shown on the Denton Creek flood profiles in the Dallas County FIS, which appears to be approximately 461.50. The starting water surface elevations were revised to match those shown in the current effective AS profiles at Denton Creek river station 328 +16. A copy of the pertinent Denton Creek stream profile is provided in Appendix A. Modeling indicates that the change in boundary condition is far enough downstream that its impacts are not felt through the proposed project /revision reach. However, it should be noted that FEMA typically requires the "normal depth" boundary CPL00243 -02 (March 2013) Page 3 !.!tny COPPELL Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway conditions at the downstream end of a stream. This revision should be considered if the revision reach were to be extended to Denton Creek. This model represents the pre - project condition and is used to evaluate the actual impact of the project. Revised Existing floodplain limits at both crossings are shown on Exhibits 2A and 3A. Revised Existing WSELs are tabulated in Table 3. Table 2: Effective and Revised Existing Hydraulic Parameter Comparison * - indicates section that was renumbered from Effective Model to match reach lengths. POST - PROJECT MODEL Proposed Improvements The following paragraphs describe the scope of both proposed projects. Sandy Lake Rd.: This project will replace the existing bridge with a 140 -foot, three -span bridge. The main channel will remain in place and be straddled by two sets of piers. Grading will consist of benching /excavation in the right overbank under the bridge, and transitioning back to the natural channel within 25 feet upstream and 60 feet downstream. The proposed low chord of the new bridge will be at an elevation of approximately 482.00 feet, 1.7 feet higher than the existing bridge. Given the proposed abrupt transition grading, channel bank armoring using gabions is proposed in select locations. Disturbed areas will be re- vegetated as needed. Freeport Pkwv.: This project will replace the existing bridge with a 180 -foot, three -span bridge to be supported by two rows of 30 -inch piers. The main channel will remain in place. Grading and benching improvements are proposed in the left CPL00243 -02 (March 2013) Page 4 ttny ` Rsvls�d Mannin 's "n" Contraction /Expansion Exlstin D/S Reach XS g Length LOB Chen ROB C E Effective XS D/S Reach Length Manning's "n" Contpedon /Ezi►anslon LOB Chen ROB C E - - - - - - - 9233 1233 0.065 1 0.05 0.06 0.1 0.3 9430 1430 0.065 0.05 0.06 0.1 0.3 9475 242 0.065 0.05 0.06 0.1 0.3 8 9494 1 64 1 0.02 0.02 0.02 0.3 0.5 9494 19 0.02 1 0.02 0.02 0.3 0.5 SendV Lake Road andV Isla RoW 9526 32 0.02 0.02 1 0.02 0.3 0.5 9526 32 0.02 1 0.02 0.02 1 0.3 0.5 9590 64 0.06 0.05 0.07 0.1 0.3 9590 64 0.06 0.05 0.07 0.3 0.5 9890 300 0.06 0.05 0.07 0.1 0.3 10120 530 0.06 0.05 0.075 0.1 0.3 10120 228 0.06 0.05 0.075 0.1 0.3 10130 10 0.06 0.05 0.075 0.1 0.3 10130 10 0.06 0.05 0.075 0.1 0.3 12420 540 0.06 0.05 0.075 1 0.1 0.3 12420 540 0.035 0.05 1 0.06 0.1 0.3 - - - - - - - 12539 117 0.035 0.05 0.06 0.1 0.3 12540 120 1 0.06 0.05 1 0.075 0.1 0.3 12567* 25 0.035 0.05 0.06 0.1 0.3 12585 45 1 0.02 0.02 1 0.02 0.3 0.5 12595* 30 0.02 0.02 0.02 0.3 0.5 FrIePW F1 F mam Ft 12615 30 0.02 0.02 0.02 0.3 0.5 12661* 66 0.055 0.05 0.06 0.3 0.5 p S 12675 60 0.06 050,07 0.3 0.5 12707* 39 0.055 0.05 0.06 0.1 0.3 - - - 12868 163 0.055 0.05 1 0.06 0.1 0.3 - - - - - 12957 87 0.055 0.05 1 0.06 0.1 1 0.3 * - indicates section that was renumbered from Effective Model to match reach lengths. POST - PROJECT MODEL Proposed Improvements The following paragraphs describe the scope of both proposed projects. Sandy Lake Rd.: This project will replace the existing bridge with a 140 -foot, three -span bridge. The main channel will remain in place and be straddled by two sets of piers. Grading will consist of benching /excavation in the right overbank under the bridge, and transitioning back to the natural channel within 25 feet upstream and 60 feet downstream. The proposed low chord of the new bridge will be at an elevation of approximately 482.00 feet, 1.7 feet higher than the existing bridge. Given the proposed abrupt transition grading, channel bank armoring using gabions is proposed in select locations. Disturbed areas will be re- vegetated as needed. Freeport Pkwv.: This project will replace the existing bridge with a 180 -foot, three -span bridge to be supported by two rows of 30 -inch piers. The main channel will remain in place. Grading and benching improvements are proposed in the left CPL00243 -02 (March 2013) Page 4 ttny COPPELL Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway overbank, which will increase conveyance capacity through the structure. The proposed low chord of the new bridge will be at an elevation of approximately 493.65 feet, 2 feet higher than the existing bridge. Rock riprap and gabions are proposed in order to armor the benched overbank of the channel through the bridge. At present, there is a "bowl' or low -lying depression in the ineffective flow area in the left overbank, just downstream of the bridge. This area is located within the MAPMOD 100 -year floodplain. The City proposes to place fill in this area to reclaim a portion of the property from the floodplain. The fill is proposed to be retained by a gabion wall and obstructed flow area is proposed to be mitigated by the proposed bridge transition grading. Post - Project Conditions Floodplain This model uses Revised Existing as a base, but includes the proposed improvements at both crossings as discussed above. The Post - Project Conditions model reflects the proposed bridge and associated grading improvements. At both crossings, the proposed structures are wider than those already in place. As a result, the Revised Existing bridge face cross sections had to be removed (cross sections 9494, 9526, 12595, and 12661) in order to accommodate wider bridges in the model. Modeling indicates that the combination of the proposed taller and wider bridge structures, coupled with the grading improvements, would result in lowered 100 -year WSELs upstream of both bridges. Proposed conditions WSELs are tabulated in Table 3. CPL00243 -02 (March 2013) Page 5 t!PY COPPELL Conditional letter of Map Revision Sandy Lake Road and Freeport Parkway Table 3: 100 -Year WSEL Comparison (FIS Flowsl (## # # #) - Parenthetical notation indicates equivalent section in the effective FEMA model 1- See Appendix B for complete flood profile data 2 - Per FEMA LOMR MT -2 instructions, tie -in must be within 0.5 feet of effective flood elevations Exhibit 2A and 3A depicts the proposed floodplain and floodway as they relate to the effective mapping. Exhibit 4 - Annotated FIRM, overlays the proposed floodplain and floodway atop the preliminary DFIRM map for the area. Exhibit 5 - Construction Plans provides a compilation of proposed construction plans for the crossings. Post- Proiect Conditions Floodway The Effective and Duplicate Effective floodway models do not meet current NFIP standards since they contain negative surcharges at various points inside and outside of the revision reach. Additionally, the floodway encroachment widths /locations shown do not coincide with the floodway shown on the preliminary DFIRM maps. Based on a phone conversation with Mr. Naresh Balija, FEMA Revisions Coordinator for the State of Texas, it was indicated that since the effective floodway is not in compliance with NFIP regulations, and because of the availability of the preliminary DFIRM maps, the CLOMR applicant must compliance in the subject reach to be revised and may use the DFIRM encroachments as a base. For this reason, floodway encroachments were adjusted to match the preliminary DFIRM widths within the limits of study and revised to comply with the NFIP. CPL00243 -02 (March 2013) Page 6 t np a , , (8000) 473.20 473.28 1 473.28 473.28 0.08 0.00 9233 - - 477.35 477.35 - 0.00 (9475) 477.20 477.25 478.37 478.30 0.07 9494 477.50 477.54 477.54 ,. (9526) 479.40 1 479.32 480.42 - - (9590) 481.90 481.91 482.24 479.51 -2.73 9890 - - 482.50 480.38 - -2.12 (10120) 481.90 481.82 482.72 482.2 -0.52 10130 482.70 482.49 482.97 482.41 0.27 -0.56 �# (12420) 490.40 490.51 490.38 490.38 -0.02 0.00 12539 - - 491.11 491.00 - -0.11 12567 (12540) 491.10 491.15 491.24 491.15 -0.09 12595�5 12585 490.90 491.00 491.03 - - 12661(12615) 491.00 491.04 1 491.66 - - 12707 (12675) 491.70 491.76 492.01 491.53 -0.48 12868 - - 491.93 491.40 -0.53 12957 491.99 491.47 -0.52 (14600) 495.10 495.09 495.11 495.10 0.01 -0.01 (## # # #) - Parenthetical notation indicates equivalent section in the effective FEMA model 1- See Appendix B for complete flood profile data 2 - Per FEMA LOMR MT -2 instructions, tie -in must be within 0.5 feet of effective flood elevations Exhibit 2A and 3A depicts the proposed floodplain and floodway as they relate to the effective mapping. Exhibit 4 - Annotated FIRM, overlays the proposed floodplain and floodway atop the preliminary DFIRM map for the area. Exhibit 5 - Construction Plans provides a compilation of proposed construction plans for the crossings. Post- Proiect Conditions Floodway The Effective and Duplicate Effective floodway models do not meet current NFIP standards since they contain negative surcharges at various points inside and outside of the revision reach. Additionally, the floodway encroachment widths /locations shown do not coincide with the floodway shown on the preliminary DFIRM maps. Based on a phone conversation with Mr. Naresh Balija, FEMA Revisions Coordinator for the State of Texas, it was indicated that since the effective floodway is not in compliance with NFIP regulations, and because of the availability of the preliminary DFIRM maps, the CLOMR applicant must compliance in the subject reach to be revised and may use the DFIRM encroachments as a base. For this reason, floodway encroachments were adjusted to match the preliminary DFIRM widths within the limits of study and revised to comply with the NFIP. CPL00243 -02 (March 2013) Page 6 t np COPPELL Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway The post - project floodway is approximately 10 -feet wider than the preliminary DFIRM floodway (140 feet versus 130 feet) and is shifted 17 to 35 feet to the east, immediately upstream of the bridge opening. This results in narrowing of the floodway on private lots located in the left overbank (between cross sections 9590 and 9890) and widening of the floodway on the city -owned lot in the right overbank between the same sections. This "shift" is a result of the newer and more accurate topography, as well as the proposed wider bridge structure. The post - project floodway ties in to the preliminary DFIRM floodway immediately downstream of the proposed structure. ULTIMATE CONDITIONS CONSIDERATIONS Per City criteria, both bridges are designed to pass the Ultimate Conditions, 100 -year discharges, as determined by the "City -Wide Storm Water Management Study for the City of Coppell (Halff Associates; Jan 1991)." With the City's consent, the bridges were designed with 1 -foot of freeboard. The modeling indicates that post - project, 100 -year ultimate WSEL's are lower than in revised existing conditions at both locations. Table 4 provides a comparison of Revised Existing and Post - Project 100 -year WSELs at both locations. Table 4: 100 -Year WSEL Comparison (Ultimate Flows)' ( # # # # #) - Parenthetical notation indicates equivalent section in the effective FEMA model 1- See Appendix B for complete flood profile data 2 - Per FEMA LOMR MT -2 instructions, tie -in must be within 0.5 feet of effective flood elevations CPL00243 -02 (March 2013) Page 7 tlstny ,t . g (8000) 473.63 473.63 0.00 9233 477.84 477.84 0.00 (9475) 478.92 478.80 -0.12 9494 478.56 - - " ( 9526) 482.66 - - (9590) 483.93 480.31 -3.62 9890 484.08 481.29 -2.79 (10120) 484.33 482.5 -1.83 10130 484.35 482.59 -1.76 (12420) 491.71 491.71 0.00 12539 492.60 492.19 -0.41 12567 (12540) 492.72 492.79 0.07 12595 12585 492.59 - - 12661 (12615) 493.87 - - 12707 12675 494.24 493.32 -0.92 12868 494.19 493.21 -0.98 12957 1 494.26 493.30 0.96 (14600) 496.81 496.75 -0.06 ( # # # # #) - Parenthetical notation indicates equivalent section in the effective FEMA model 1- See Appendix B for complete flood profile data 2 - Per FEMA LOMR MT -2 instructions, tie -in must be within 0.5 feet of effective flood elevations CPL00243 -02 (March 2013) Page 7 tlstny COPPELL Conditional Letter of Map Revision Sandy Lake Road and Freeport Parkway Exhibit 26 and 313 provide comparisons of the revised existing and proposed 100 -year ultimate floodplains. KITIMIKew Based on the analyses, approval of a Conditional Letter of Map Revision by FEMA is requested. Hydraulic modeling indicates that construction of the proposed improvements at Sandy Lake Road and Freeport Parkway will have no adverse impacts on the regulatory floodplain or the ultimate conditions floodplain. At both locations, 100 -year flood elevations will be reduced as a result of the wider and taller bridge structures proposed. Furthermore, changes in width and alignment of the effective floodway in the vicinity of both projects were necessary in order to make the effective floodway compliant with current FEMA standards and regulations (i.e. less than one foot of increase, and no negative surcharge upon encroachment). Results indicate that the proposed improvements will not adversely impact the floodway. CPL00243 -02 (March 2013) Page 8 ^tnp tnp 0 1,000 2,000 NYON -DR I 1 inch = 2,000 feet ws'e --- . SANDY LAKE RD- .3 top 0 300 6004 iuwusurrl�xe: �`�,. 1 inch = 600 feet 4 I, F t: no :A W a 0.! I rFreeport Parkway (Study Vicinity) ^tn ^ p League nail & perkins D 4 4 Denton Creek o° C3 F-1 Of ) Cottonwood Branch 4K DR— OR ��BEALLN „uMWOOD T X [ C 1 T Y O F COPPELL ak i Sandy Lake Road (Study Vicinity) Effim CLOMR: Sandy Lake and Freeport Exhibit 1: Location Map �I 0 z E i 0 N d N o Q, v� o� 0 I U m I s J V> TJ -O O p I J Qm O Y KJ ox U I - X s a � 0 aro a 00 � U N s I o � J 0 i� � LL � V J d B / Y o� s o� o£ o ` i j 7 l / (( 1 r f i / r I � t i / 1 / r / / / 1� r W �\ c) i\ no. revision by dote `•\ j'z �\\ \ \�\� � / .III ` y / , J�� �� � AV V \ (I / lI scale horiZ 1" =60' vert na date MAR 2013 fy' r� / 1 s�rt ..�A•. • r' ;pl ........................ ... NIRAJ A. ACHARYA .............................. 107110 60 0 30 60 GRAPHIC SCALE LEGEND EFFECTIVE FP & FW (FEMA PRELIMINARY DRRM/MAPMOD) REVISED EXIS77NG FP - 100YR (FIS DISCHARGE) POST PROJECT FP — 100YR (RS DISCHARGE) — — — — — POST PROJECT FW (FIS DISCHARGE) • — POST PROJECT FP — 500 Y (FIS DISCHARGE) 9233 HYDRAULIC CROSS SEC77ON + PROPOSED GRADING PARCELS (2012, DALLAS COUNTY APPRAISAL DIST.) WA TER SUI a� �"riC9ffi8 cYn A TION COMPARISON (100— YEAR) 9233 * 477♦35 477.35 9475 * 478.37 478.30 9494 477.5 477.54 '* 9526 479.4 480.42 '* 9590 481.9 482.24 479.51 9890 * 482.50 480.38 10120 481.9 482.87 481.93 10130 482.7 1 482.90 482.00 * - WSEL unavailable because cross - section is not included in ** - WSEL unavailable because cross - sections were removed for post - project modeling NO TES.• 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Mop (dnRM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins, March 2013). J. 1 —foot topography obtained from ground survey conducted by TNP. 4. Existing and proposed bridge hydraulics evaluated using HEC —RAS v. 4.1 (USACE). 5. 2 —foot topography shown obtained from City of Coppefl (NCTCOG, 2007). 6. Proposed bridge structure results in no rise during 100 —year FIS and Ultimate floods. 7 Based on coordination with City staff, the proposed bridge structure provides 2 —feet of freeboard based on e FIS flows (6700cfs 2001 Dallas County nS) and 1 —foot freeboard based on Ultimate Flows (8250cfs,• City —Wide Storm Water Management Study, January 1991). 8. A# surety and mapping completed using NAVD88 vertical datum and NAD83 StotePlane Zone 4202 (TX North Central) horizontal datum. City of Coppell, Texas tnp project \ CPL00243 Conditional Letter of Map Revision (CLOMR) for EXHIBIT Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch 2A 2013 Sandy WORKMAP - SANDY LAKE EXISTING /FIS DISCHARGES a T E a ri I r7 s N d o, `s O U � � U O I Q N J J � I �J o�- I � �-N P N Y X U � L d� O � �w oa as 0 0 �.0 � I 0 Y � 9 � � I U SF � X O N N �X o� N � �N �Q �m p X � X w 0 i� 0 i u t ir- / / v \ — — ` ity • i —� -� •.�\ � ` `� -... \ \ �. r. I ' I I l � tai. � % / ~ � h a no. revision by date scale horiz 1'r =60' vert na date MAR 2013 60 0 30 60 GRAPHIC SCALE LEGEND REVISED EXIS77NG FP – 100 Y (UL 77MA7E DISCHARGE) POST PROJECT FP – 100 Y (ULT DISCHARGE) 9233 HYDRAULIC CROSS SEC77ON 485 PROPOSED GRADING PARCELS (2012; DALLAS COUNTY APPRAISAL DIST.) v r WA TER SURFACE ELEVA TION COMPARISON (100- YEAR) * - WSEL unavailable because cross - section is not included in effective model WSEL unavailable because cross - sections were removed for post- project modeling NO TES: 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dRRM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins; March 2013). J. 1 –foot topography obtained from ground survey conducted by 7NP. 4. Existing and proposed bridge hydraulics evaluated using HEC –RAS v. 4.1 (USACE). 5. 2 –foot topography shown obtained from City of Coppell (NCTCOG,• 2007). 6. Proposed bridge structure results in no rise during 100 –year FIS and Ultimate floods. 7 Based on coordination with City staff, the proposed bridge structure provides 2 –feet of freeboard based on FIS flows (6700cfs; 2001 Dallas County FIS) and 1 –foot freeboard based on Ultimate Flows (8250cfs, City –Kde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAW88 vertical datum and NAD83 StatePlane Zone 4202 (7X North Central) horizontal datum. OF Ilk i *• .'•.. / NIRAJ A. ACHARYA j i...........................:.., �70 mr U / %i-. 107110 .- , (3 City of Coppell, Texas tnp project CPL00243 Conditional Letter of Map Revision (CLOMR) for Comparison Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - SANDY LAKE 'f \ * - WSEL unavailable because cross - section is not included in effective model WSEL unavailable because cross - sections were removed for post- project modeling NO TES: 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dRRM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins; March 2013). J. 1 –foot topography obtained from ground survey conducted by 7NP. 4. Existing and proposed bridge hydraulics evaluated using HEC –RAS v. 4.1 (USACE). 5. 2 –foot topography shown obtained from City of Coppell (NCTCOG,• 2007). 6. Proposed bridge structure results in no rise during 100 –year FIS and Ultimate floods. 7 Based on coordination with City staff, the proposed bridge structure provides 2 –feet of freeboard based on FIS flows (6700cfs; 2001 Dallas County FIS) and 1 –foot freeboard based on Ultimate Flows (8250cfs, City –Kde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAW88 vertical datum and NAD83 StatePlane Zone 4202 (7X North Central) horizontal datum. OF Ilk i *• .'•.. / NIRAJ A. ACHARYA j i...........................:.., �70 mr U / %i-. 107110 .- , (3 City of Coppell, Texas tnp project CPL00243 Conditional Letter of Map Revision (CLOMR) for Comparison Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - SANDY LAKE ULTIMATE CONDITIONS DISCHARGES RQYIS t(BHtt 04 t 9233 477.84 477.84 9475 478.92 478.80 9494 478.55 ** 9526 482.66 ** 9590 483.93 480.31 9890 484.08 481.29 10120 484.33 482.50 10130 484.35 482.59 * - WSEL unavailable because cross - section is not included in effective model WSEL unavailable because cross - sections were removed for post- project modeling NO TES: 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dRRM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins; March 2013). J. 1 –foot topography obtained from ground survey conducted by 7NP. 4. Existing and proposed bridge hydraulics evaluated using HEC –RAS v. 4.1 (USACE). 5. 2 –foot topography shown obtained from City of Coppell (NCTCOG,• 2007). 6. Proposed bridge structure results in no rise during 100 –year FIS and Ultimate floods. 7 Based on coordination with City staff, the proposed bridge structure provides 2 –feet of freeboard based on FIS flows (6700cfs; 2001 Dallas County FIS) and 1 –foot freeboard based on Ultimate Flows (8250cfs, City –Kde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAW88 vertical datum and NAD83 StatePlane Zone 4202 (7X North Central) horizontal datum. OF Ilk i *• .'•.. / NIRAJ A. ACHARYA j i...........................:.., �70 mr U / %i-. 107110 .- , (3 City of Coppell, Texas tnp project CPL00243 Conditional Letter of Map Revision (CLOMR) for EXHIBIT Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - SANDY LAKE ULTIMATE CONDITIONS DISCHARGES Q� I� a� z° D I E tIJ J M 4 I o� x o N � N .. X 0 3 � � 3 O d J U � I ox W. 0� ow a� �M m I ,x a� o� M � U v I L d � 9 O J �-J � W %W a o° s I I G �z of � I w o> � 4 a � no. revision by date T iT /// , r�SS` scale horiz 1" =40' vert na date MAR 2013 N I .1, . 40 0 20 40 GRAPHIC SCALE I I I LEGEND ■ ;"MINN i van. t5 F4ow- 678ttcfs ` r�SS` scale horiz 1" =40' vert na date MAR 2013 N I .1, . 40 0 20 40 GRAPHIC SCALE I I I LEGEND ■ ;"MINN EFFEC77VE FP & FW (FEMA PRELIMINARY DFIRM/MAPMOD) REVISED EXIS77NG FP - 100YR (FIS DISCHARGE) POST PROJECT FP - 100YR (RS DISCHARGE) - - - - - - POST PROJECT FW (RS DISCHARGE) • • - POST PROJECT FP - 500YR (FIS DISCHARGE) 9233 HYDRAULIC CROSS SEC77ON 4- PROPOSED GRADING PARCELS (2012; DALLAS COUNTY APPRAISAL DIST.) WATER SURFACE ELEVATION COMPARISON (100 -YEAR) Pik t5 F4ow- 678ttcfs ` %gyp �.w� ->''y f5n* `..`v`�T'?.+vF t`_ z l� t?s�a°S -'.a_ " i°...,r . � � `�yT ,�•..„, :•. 12420 490.40 490.38 490.38 12539 491.11 491.00 gg 491.10 491.24 491.15 12595 490.90 491.03 - 12661 491.00 491.66 - teague nail & perkins 491.70 492.01 491.53 17304 Preston Road, Suite 1340 - 491.93 t Dallas, Texas 75252 x n 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com EFFEC77VE FP & FW (FEMA PRELIMINARY DFIRM/MAPMOD) REVISED EXIS77NG FP - 100YR (FIS DISCHARGE) POST PROJECT FP - 100YR (RS DISCHARGE) - - - - - - POST PROJECT FW (RS DISCHARGE) • • - POST PROJECT FP - 500YR (FIS DISCHARGE) 9233 HYDRAULIC CROSS SEC77ON 4- PROPOSED GRADING PARCELS (2012; DALLAS COUNTY APPRAISAL DIST.) WATER SURFACE ELEVATION COMPARISON (100 -YEAR) WSEL unavailable because cross - section is not included in " - WSEL unavailable because cross - sections were removed for post - project modeling NO FES: 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dF1RM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins; March 2013). J. 1 -foot topography obtained from ground survey conducted by 77VP. 4. Existing and proposed bridge hydraulics evaluated using HEC -RAS v. 4.1 (USACE). 5. 2 -foot topography shown obtained from City of Coppell (NCTCOG; 2007). 6. Proposed bridge structure results in no rise during 100 -year FIS and Ultimate floods. 7. In accordance with a variance issued by the City, the proposed bridge structure provides 2 -feet of freeboard based on FIS flows (2001 Dallas County FIS) and 1 -foot freeboard based on Ultimate Flows (City -Kde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAVD88 vertical datum and NAD83 StatePlane Zone 4202 (TV North Central) horizontal datum. :SAP••. stt� '� . *�I ... , NIRAJ .. ACHA Y.. / na �L •. 107110' (Ill\ Date: City of Coppell, Texas Conditional Letter of Map Revision (CLOMR) for Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - FREEPORT EXISTING /FIS DISCHARGES EXHIBIT 3A Pik t5 F4ow- 678ttcfs ` %gyp �.w� ->''y f5n* `..`v`�T'?.+vF t`_ z l� t?s�a°S -'.a_ " i°...,r . � � `�yT ,�•..„, :•. 12420 490.40 490.38 490.38 12539 491.11 491.00 12567 491.10 491.24 491.15 12595 490.90 491.03 - 12661 491.00 491.66 - 12707 491.70 492.01 491.53 12868 - 491.93 491.40 12957 491.99 491.47 WSEL unavailable because cross - section is not included in " - WSEL unavailable because cross - sections were removed for post - project modeling NO FES: 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dF1RM) for Dallas County. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins; March 2013). J. 1 -foot topography obtained from ground survey conducted by 77VP. 4. Existing and proposed bridge hydraulics evaluated using HEC -RAS v. 4.1 (USACE). 5. 2 -foot topography shown obtained from City of Coppell (NCTCOG; 2007). 6. Proposed bridge structure results in no rise during 100 -year FIS and Ultimate floods. 7. In accordance with a variance issued by the City, the proposed bridge structure provides 2 -feet of freeboard based on FIS flows (2001 Dallas County FIS) and 1 -foot freeboard based on Ultimate Flows (City -Kde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAVD88 vertical datum and NAD83 StatePlane Zone 4202 (TV North Central) horizontal datum. :SAP••. stt� '� . *�I ... , NIRAJ .. ACHA Y.. / na �L •. 107110' (Ill\ Date: City of Coppell, Texas Conditional Letter of Map Revision (CLOMR) for Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - FREEPORT EXISTING /FIS DISCHARGES EXHIBIT 3A 3 0 4V', IV a� E¢ I M � �m �I O M N x N O N N X � I g o� Cam' 0 X O U I a =' I w om �-X N �I I n a E V of V � fl-J O W a ao J � I 0 o w I � �4 Nm a I p X J N �x w a� �E 3 O o> � J K01 no. revision by date . I. - . 1f �rr / J \ Cf) -% � f scale horiz 1rr =40' vert na date MAR 2013 N \ u ■ Ada � r N A 7 C:) N O V / J teague nail & perkins 17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com &RAPWIC SCALE LEGEND EFFEC71VE FP & FW (FEMA PRELIMINARY DF7RM1MAPMOD) — RENSED EXISTING FP - 100 Y (UL T) — - — • — • — POST PROJECT FP - 100 Y (UL T) 9233 HYDRAULIC CROSS SEC77ON — PROPOSED GRADING PARCELS (2012,• DALLAS COUNTY APPRAISAL DIST.) WATER SURFACE ELEVATION COMPARISON (100 -YEAR) - WSEL unavailable because cross - section is not included in effective model '" - WSEL unavailable because cross - sections were removed for post - project modeling NO TES.• 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dFIRM) for Dallas Coun ty. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins March 201J). J. 1 -foot topography obtained from ground survey conducted by 7NP. 4. Existing and proposed bridge hydraulics evaluated using NEC -RAS v. 4.1 (USACE). 5. 2 -foot topography shown obtained from City of Coppell (NCTCOG; 2007). 6. Proposed bridge structure results in no rise during 100 -year FIS and Ultimate floods. 7 In accordance with a variance issued by the City, the proposed bridge structure provides 2 -feet of freeboard based on RS flows (2001 Dallas County RS) and 1 -foot freeboard based on Ultimate Flows (City-Wrde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAVD88 vertical datum and NAD8J StatePlane Zone 4202 (7X North Central) horizontal datum. 01 ��T F 9s1,1 *.. NIRAJ A. ACHARYA j pZ0 /0-It %%t 3 .............................� 107110 i City of Coppell, Texas Conditional Letter of Map Revision (CLOMR) for Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - FREEPORT ULTIMATE CONDITIONS DISCHARGES CPL00243 EXHIBIT 3B p V Ib Fta�r Y BGYJFl { f ?�p:$* 12420 491.71 491.71 12539 492.6 492.19 12567 492.72 492.79 12595 492.59 - 12661 493.87 - 12707 494.24 493.32 12868 494.19 493.21 12957 494.26 493.3 - WSEL unavailable because cross - section is not included in effective model '" - WSEL unavailable because cross - sections were removed for post - project modeling NO TES.• 1. Effective floodplain and floodway based on Preliminary Digital Flood Insurance Rate Map (dFIRM) for Dallas Coun ty. 2. Depicted data based on "Conditional Letter of Map Revision (CLOMR) for Sandy Lake Road and Freeport Parkway at Cottonwood Branch" (Teague Nall and Perkins March 201J). J. 1 -foot topography obtained from ground survey conducted by 7NP. 4. Existing and proposed bridge hydraulics evaluated using NEC -RAS v. 4.1 (USACE). 5. 2 -foot topography shown obtained from City of Coppell (NCTCOG; 2007). 6. Proposed bridge structure results in no rise during 100 -year FIS and Ultimate floods. 7 In accordance with a variance issued by the City, the proposed bridge structure provides 2 -feet of freeboard based on RS flows (2001 Dallas County RS) and 1 -foot freeboard based on Ultimate Flows (City-Wrde Storm Water Management Study, January 1991). 8. All survey and mapping completed using NAVD88 vertical datum and NAD8J StatePlane Zone 4202 (7X North Central) horizontal datum. 01 ��T F 9s1,1 *.. NIRAJ A. ACHARYA j pZ0 /0-It %%t 3 .............................� 107110 i City of Coppell, Texas Conditional Letter of Map Revision (CLOMR) for Sandy Lake Rd. and Freeport Pkwy at Cottonwood Branch TOPOGRAPHIC WORKMAP - FREEPORT ULTIMATE CONDITIONS DISCHARGES CPL00243 EXHIBIT 3B f• SAN DY _. l r • , LIMITS OF REVISION- F r f. alf �M yt` GREENWICH 0 AI � 4 ZONE O�E M k 1 11 X11 i . • P P Exhibit wtnp nail - 400 fee I'. Annotated FIRM: sx d I rx x� B� ! a% ALI 1 0 9• no. revision by date 8R4OEY ANXRSON tr I g MFAAW HOLLOW NORTm _ _ �✓ % A __114 f1 OapST AqE fA7SAVC Y%174E10475 >a Z 7965 I VOL. 85237 PC 5011 R Rc uiulES wow av R� MANS MW 0010MM rROW VA stars .S"CES A 7 I 6 A B. SPWSN MX SAE S VIE A COTO S4C>>LW. AE D I t t 9 l 107 86�On1, HOLLOW UI C CaV/RACRiP 9/NL fERFY ME EXACI LOGY nd/ a� ALL uls/fES PRIOR 10 Q l C/1 10' RECESSED CURB MET PRESERVE a 7EC7 '� ? , - < �n_J „ ARE ANr DOWMIS NM RE 74aaro9a EApnES me COMACTOx 9iaL �. E Ali 07 _ PROP e' WATER (AV£ STA 65N191 SANDY LAKE RD; 3505' L r N AM•FMO�FER e _ E 6 R£TAMMVG WALL j ' META EoG'nc ( /8 0, ( PRES&W s PRO IECr LAAwSCMWG .. \ -°'_ -'_• T TREE'S & MRIGAMM ALONG BOTH - _ _ EbST CAS (AYES : \.'; - _5DES OF SANDY LW ROAD Q !_ -- S STA 6T +71£95 o Ao gl t ".)mpg= a ygyA� STA &4J/ OP S SAW ROAD - kr - -- -- 1 N l AMN DW C l BY Ol1m O I I I I SANDY LAKE OAD � � ENSTASPHALrPW E GAS LINE IN AREA GRAPHIC S �- N 63+00 6 64+00 f CONTACT ATMOS GAS 2 SCALE STA 614184%QrLAox "__I - - - ROM��.E " - �e.?,.�sc- ��___ - -- ADA/STVALIECOVER EMATf74S74 TO fAf9ED .7) M Vy _ - AA�A19A/1 ' A4iW $f.1P. ' fM9l TiP1AES (IYP.) 11PE 5 Qf3' . -.. ;._ ; ;.,.. PRQod' TR.l1 �. P PROPOSED PAwwwr aelf" DATA TABLE . Q ME D DELTA RAMS LENGTH TANGENT CH'OPDAlARIIAIG CHaW STA 170V QTFSET DESC STAPOV OFFSET DESK ;+ s - x - � 117s'14' ss47o'4s2- c ; � ' �.WALL - 15007 5435 1728 5 5/24 61 +6493 369 RT PCR 67+6493 2OD LT PCL" S 1 STA 62 +5203 SANDY LAKE RIO' 35.0' RT ' ''' y .� 9 RETAA , STA IL91 Y LAKE RD.- 29.50' R7 �` / C114 O OJ12Y 2M 00 9.42 9.16 N477596'W 6 6831 62 +1893 200 LT PCC 61 +3713 200 LT PT RET WALL C/L 10' RECESSED COPE MEET / � C116 1 14336' 200Y00 60.51 3016 N475121'W 6 6051 61+76.95 400 LT PC 61 +37.13 4Q0 LT PT N ]OlRWW 1 1 E 7.57 SAL VAX e � C767 f f I.i'1 <' 103.302 61.15 30.58 N475127�W 6 6Lf4 61 +76.95 .1300 L7 PC 62 +17.11 3300 LT PT ` \ _ / 1 ' C118 9 90TA0 QD' 15.00 39.27 2500 N8BA727E 3 3536 62 +67.11 3.100 LT PC 63 +07.Q0 5400 LT PT \ � N 70la36fS; \ \ C C621 9 9278'28" 7500 40.35 16.10 S86 t6'14ryY 3 3611 6J +50.07 59.08 RT PC 63+7505 33.00 RT PT 29 E t � C123 2 2U747" 1LU.IOO 7557 3779 S46Ur26-E 7 7556 64+8201 JJ.00 Rr PC 65+56.35 JJOO RT PT \ S D1SW LAbST)Vi Mi7OWAMS e ( A4A9ov M DOM EPDX SHELLY A C C725 1 17959'42' JOO 9.42 NNN87E S4JY7027 -W 6 6.00 63+6122 407 RT PC 63 +6312 200 RT PT MYII WART? 70 O7OMIF WAaCONL77S !I } to 10I NOLOW 7N C C126 1 127J'01" 15000 53.31 26.75 5531760.3 5 5321 64 +5.612 200 RT PC 65+0617 152 LT PCR \ 1 7DAS7pAS 7501s K C127 1 1074'54 250'.OD 44.72 1242 N54A5DYW 4 4466 65+05.17 152 LT PCR 65 +50.73 400 LT PT tZ Q C128 9 90 1500 38.27 25.00 501 9' *E 3 3516 63+55.00 58.00 1T PC 63+8aOO MOO LT PT III HOLLOW SO117H 1 Cv2 /i NI ®M fl �IY!(c' fol ©p ® C C129 1 1967.00 7312 36.56 7 7J 11 64 +8201 JJ00 LT PC 65+56.36 310017 PT SEE SMEET 18 W 177/ s C j f C. L LTk T T L Y - - I L C C.IL e eR I --T-- T I - - -I - " = f ! ! - G 4 - , ,(J = =050 Y I 1 1 =4-,. _ _ - T - ' � - - - - - 1 1., H HC7R =1_ " - ±- - 1 i - r - - 1_ I, i - _ _ + _ - -t - - - _ T -! - + -+ i - t t� - T I - 500 {- 4 1 4 495 , -4- a I a -L-;- - -i - � �-F- -, ' ' - - -- - --j- r r T T' - -T ' ' I � I-- - - ` 1 i i L .. T H 6 - a 1 T T - O} scale COPPELL Nor 1 " =20' 7 =4' T * o date E x A s 6 8 9 MAR 2013 teague nail & perkins 17304 Preston Road, suite 1340 n p Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com This document is for interim review and is not intended for construction, bidding or permit purposes. Casey McBroom, P.E. Date: 03 -2013 Tx. Reg. # 110104 City of Coppell, Texas P wait CPL00243 Reconstruction Plans for sheet W. Sandy Lake Road - Phase 2A 14 PAVING PLAN & PROFILE STA 61 +50 TO STA 65 +50 03 m T, ;1 gl �a >i 3� e� 9 no, revision by 1 date T M IN - a 1 T T - O P scale horiz COPPELL t 1 - =20' 1 =4- T * o date exn s 9 s9 MAR 2013 teague nall & perkins 17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com This document is for interim review and is not intended for construction, bidding or permit purposes. Casey McBroom, P.E. Date: 03 -2013 Tx_ Reg. # 110104 City of Coppell, Texas id CPLOO L00243 Reconstruction Plans for sheet W. Sandy Lake Road - Phase 2A 15 PAVING PLAN & PROFILE STA 65 +50 TO STA 69 +50 OF / rr r r .vn• I 7 II a' , e 55 kq, ry ,•.e• .I _ __ .'J •r — 9 -• ,5,.• J ,,l ]! 1\ t Y I 1/.5. •.J I. I.•'Ii I / • JI f •..If:. e IL ... A"FaM I V 7, rfi •I ]• / \ ` , s t&•ais° _._ -__„ a -- A _ = ;a. ..spa" s $ .. -n a - - I rarm . 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Casey McBroom, P.E. Date: 03 -2013 Tx_ Reg. # 110104 City of Coppell, Texas id CPLOO L00243 Reconstruction Plans for sheet W. Sandy Lake Road - Phase 2A 15 PAVING PLAN & PROFILE STA 65 +50 TO STA 69 +50 OF 7V0 OF 3Xxr ♦♦ \ N 70.' F2 - -STA 1 +2848 G464pq 4780 CAUnMI PT ♦ o` L= 7.854, R =fO. _._ b ♦♦ n= 0450000 E _ R 11.E UN MS 9WW ON NEW FLAWS MW C MVM FROM VAM S 9 STA 1 +R! STA 3+6594 PRO' GABY.WS NEST - _- ' '_.. AND AE MUM M 947w NE RIdM Mfig 2' AD LOMAMW OF 4= 107.0263. fTD GAHM 6AMM NEST N AMPNSw Y`o 49:34'17' \ / STA 3+7567 PROP MWNS EAST N NE AAA oF CORGI NaCnaa NE Ear OEM A6a,Es No eau HE ACOAPACY RT nE UN/IY linalAAnN 9pNW CY nESE RANS n 465439 E 242 7RU I .... EAO GA61gV 849x75 EAST 00NM4CIGP 9W1 M9WY RE EMT LWA W OF ALL UYEAMS AIW COWSA XMX NE OWNS C1ar 3ML 030(WT UMM COWAES A 1+ STA 1 +00.0 - L= 1 - 0 / N)ai4i<74 N AOW4X ar ANY COWS WW" AC�M1ES N CAM 10 OE1E M E n' N 4= 0754518 E242XM07 / ARE ANY GtiM/WM NIM NE FRO-MM FAWNS HECOrMWIEf9 &W 046M BAMEN NEST M 7atNLS M NON•Y HE @A MEP AMMMn•7. Y WOW COFWIS WN Dasi G Umn - - SrA 3+4877 aavole1M 1 _ NTi uWast 7W OF rxr ..E 24LlMN • � �:.. 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PC E 242M T..4J t 61.91' -- = N XLMM46 F24MM99 .._.STA 1+6824 t ' ♦ t N154'S9 �° rxr 10°OFrxr •. PC " ♦ 53.91' �, GAB'QN 4750 GABM 4780 - _ - - - • - E ♦ STA 1 +1433 - - - ♦ PT> ,.a 7V0 OF 3Xxr ♦♦ \ N 70.' F2 - -STA 1 +2848 G464pq 4780 E 2429AEdl, - PT ♦ o` L= 7.854, R =fO. _._ b ♦♦ n= 0450000 E _ R STA 1 +R! - 4= 107.0263. • N 7Ri21R: �; �:•� - .�� -FEZ. 465439 —'1• ' •48 STA 1 +0846\ �•� 1+ STA 1 +00.0 _ ,'Pc' • .' \ BELU1 GARY E n' N STA 1 +0000 PRw GAOM NEST \ S 2M &W 046M BAMEN NEST M 7atNLS M E242FMW — 1 d T N i - C I T Y - O! scale h9 COPPELL � x 11. = 201 N/A a r * o date ° o a MAR 2013 - no. revision b date X A s t o / 9W1° a4soms EAST B49(EM EAST Yr Y G19d et9�2T (l W) 130 �? HSOY �Aff BASKU GRAPHIC SCALE SECTION A —A 20 o 10 20 4 N1S teague nall & perkin: 17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.lnpinc.com City of Co ell, Texas 'e" This document is for interim review and Y PP CPL is not intended for construction, bidding or permit purposes. Reconstruction Plans for sl Casey McBroom, P.E. Date: 03 -2013 W. Sandy Lake Road - Phase 2A � Tx. Reg. # 110104 PROPOSED GABION PLAN fn � 0 E ax Ys3 ik ROOM N DWOV ENX qui r C7°TF1.L HAAS 75019 �' ` T i•- \ l,\ ���,t \' \\ RL69V N OUM E7VX SNEllY A 1i \ 10 WA00VG NOLOw LN COPPUL, ERAS 7501`9 uF, W. 3ANDY LAKE ROAD X T M■• C I T Y - a F scale COPPELL h 1 ° =20' � ve 3N * N A r o date e e MAR 2013 05 no. revision by date 1 tAb75 OF auDNc --------- - - = - -- \ SANDY LAKE ROAD' ; ~ a°S a~i 'a cY f i% tt, AY M1� teague nall & perkins ^,11k 17304 Preston Road, Suite 1340 Dallas, Texas 75252 tnp 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com ��r TRACT 2 ` \ MOMS MORAL' E7VX 70 NE aTy o, c'a*m \ KIL 91770; PG 1489 \ 10-11 -1991 This document is for interim review and is not intended for construction, bidding or permit purposes. Casey McBroom, P.E. Date. 03 -2013 Tx. Reg. # 110104 CAUnOW! E)OS77NG U77UnES 7 E UIUMS 9AxN ON MSE PLANS WERE COW/m FROM VAWJS SCCRCES AND AIDE N1EMm M SIM nE GEMERAL £10S'ENNIGF AAO LDCAWIN OF UWIFS N PC AREA LF OM M1CMK nC EMMNEER ASSUICS M fiESPOS MrY FOR NE ACOXACY OF nE UWTY WORIMnON 90M OV NESF PEANS NE Cw/RACNF 914LL 1ERFY nE Ex4Cr LWAnM OF ALL UM MS MW M CONSMUCIM IIE COVMACNR 9MU CONTACT UWTY CLW°AACS 48 NO.RS N ADVAN E Or ANY CONSMUC711OV AM ES N CROM M DEMM E F HERE NOW ANY CCV VC1Y WIN RE PROPOSED FAcinx7s nE CONMACW UR 9L AOO Y IE ENONEDP AGEMRZY WEN O MI'MIS WIN EVSMW MMIES ARE DISC'OERm. CAUTION !!! GAS LINE IN AREA CONTACT ATMOS GAS NOTE' AW MI£ t PR07ECT tAWSCARNQ4 TMEU k MMAITCW ALONG 901H SOES OF SAAVY LAKE ROAD. AO,USr/LLC" 00SMG AMU PON7 SYSTEM AS RECESSMY (7YP). 0 GRAPHIC SCALE 20 o TO 20 40 City of Coppell, Texas CPLOO243 Reconstruction Plans for sheet W. Sandy Lake Road - Phase 2A 29 GRADING PLAN STA 64 +00 TO STA 68 +75 \ \ \` .Ewr N UELS > , ' • 109 00T7000M OR COPPED, U(AS 75019 / LOT 2 COTTONWOOD ESTATES ADDITION VOL- 76225, PG 0023 / h O — v — — • v wv . � 1B OAS PER DR CMPETL IFXAS 750197103 COTICWIR X ESTATES ADDIPAN VOL. 7822.E PG 007J � ,i _ � � �v .......f .' __ .. ....... .......... .. ....�-- -... �: ��� ♦ �, \�. 101 COTTONI0000 DR 'I ik ROOM N DWOV ENX qui r C7°TF1.L HAAS 75019 �' ` T i•- \ l,\ ���,t \' \\ RL69V N OUM E7VX SNEllY A 1i \ 10 WA00VG NOLOw LN COPPUL, ERAS 7501`9 uF, W. 3ANDY LAKE ROAD X T M■• C I T Y - a F scale COPPELL h 1 ° =20' � ve 3N * N A r o date e e MAR 2013 05 no. revision by date 1 tAb75 OF auDNc --------- - - = - -- \ SANDY LAKE ROAD' ; ~ a°S a~i 'a cY f i% tt, AY M1� teague nall & perkins ^,11k 17304 Preston Road, Suite 1340 Dallas, Texas 75252 tnp 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 www.tnpinc.com ��r TRACT 2 ` \ MOMS MORAL' E7VX 70 NE aTy o, c'a*m \ KIL 91770; PG 1489 \ 10-11 -1991 This document is for interim review and is not intended for construction, bidding or permit purposes. Casey McBroom, P.E. Date. 03 -2013 Tx. Reg. # 110104 CAUnOW! E)OS77NG U77UnES 7 E UIUMS 9AxN ON MSE PLANS WERE COW/m FROM VAWJS SCCRCES AND AIDE N1EMm M SIM nE GEMERAL £10S'ENNIGF AAO LDCAWIN OF UWIFS N PC AREA LF OM M1CMK nC EMMNEER ASSUICS M fiESPOS MrY FOR NE ACOXACY OF nE UWTY WORIMnON 90M OV NESF PEANS NE Cw/RACNF 914LL 1ERFY nE Ex4Cr LWAnM OF ALL UM MS MW M CONSMUCIM IIE COVMACNR 9MU CONTACT UWTY CLW°AACS 48 NO.RS N ADVAN E Or ANY CONSMUC711OV AM ES N CROM M DEMM E F HERE NOW ANY CCV VC1Y WIN RE PROPOSED FAcinx7s nE CONMACW UR 9L AOO Y IE ENONEDP AGEMRZY WEN O MI'MIS WIN EVSMW MMIES ARE DISC'OERm. CAUTION !!! GAS LINE IN AREA CONTACT ATMOS GAS NOTE' AW MI£ t PR07ECT tAWSCARNQ4 TMEU k MMAITCW ALONG 901H SOES OF SAAVY LAKE ROAD. AO,USr/LLC" 00SMG AMU PON7 SYSTEM AS RECESSMY (7YP). 0 GRAPHIC SCALE 20 o TO 20 40 City of Coppell, Texas CPLOO243 Reconstruction Plans for sheet W. Sandy Lake Road - Phase 2A 29 GRADING PLAN STA 64 +00 TO STA 68 +75 E �D u� vw a i mar -_. J/A 14+30./' 4QN L/ F/2L 1 HTITY mGiCr �t9EBfED t�.tl(£Tw flT IEYSdILt A4m NET P -' "--- Ci41171�1/ / -! I 7g .... IN .L'T _ 74�IRNN -*AWN NH/Tf11 PARK .� :.�.� / "' EXISTING U7IUTRS �. HE UMM 300 QV REM' KN6 MW IX�m Mill 16tl U6 SV1AP0'_S p rl � l4tp�p Jo F awwr PARKWAY r••"�i• f'= -� 1 Y - 14#MQ SO LT ` caggEIL. 7X t.� N 17E A AgYE N01 t/ fisP RE AMAPWY 0< RE UWTIY MVM4MW SMM QV 17ME PLAN& RE PRY; RQW ,Parn rz. - - - - 1 I +SLC91• IQ4' LT ... / ,' - / PC OWY-4 QOMAC1dt 91AlL IE1WY RE OWT LWARM OF ALL MUMS AVM m CaVSIRVCIKAY. RE UOV1RWW 9NIL QOVTACr UAW ~AIIES 48 MotM • - - - r/b�N746/ T� 4873,) Ifi57. alt'• T DmY-4 - N Aoxu ar ANY L>y+sTrticmvN Q C27 ... ' ' , - r R. AIE ANY OMIXIs RE nWOM F 91Wi- T - mwy RE an mE mmy WEN LY114LFC1s Will Ea75W49 UgU113 ARE - .. 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SlA f4+A8 'I3d1 'RT A 047ACNY M1 H ` 1481 10.6 T MW-4 aAP1E DATA y , 7 �� - 0.NSR76Lr QAiB XEr a Y 1 +9907; 7.5 RT DWY-4 Tj�44i m /+6H4 75' L7<l1WI -4 1 +7487.24.4LT01Y -4 CUM DELTA R"JS Lt7VDIHQ4aw WORD PC PT Pr T/0-mil C20 344439' 68.00 41.24 N79U8 54'W 40.61 N 7038596.45, E 2424192.1) N 7038634.81, £ 2424178.81 $ 491' ; l3 +11liti! I5 Q7 pT r } PC y _- ' � �p N T 9B PROPOSED 1mTAMVC C22 344439' 68.00 41.14 N15'3544"E 40.61 N 7038596.63, E 2424197.88 N 703863574, E 2424206.79 'C)' r f 1 l r • �`'f !` 3 ' ,. s x 'Y // '3+LG. 85 LT 0111 -4 WAIL C27 63158' 1200.00 136.82 Ni2924T- 136.75 N 703865246, E 242414324 N 7038789.16, E 2424146.80 lP Al P17C - Tjfx49297 - - MRYR TAIE C28 5170'02' 1000.00 87.17 N27522� 87.25 N 7038789.16, £ 2424I46.B0 N 7036876.34, £ 2424150.23 288 S nMX' rIT PIYWY CO°PEIL . N C29 975100' 250.00 40.36 N674 05 "W 40.32 N 7038653.55 E 1424178.23 N 70)869361, E 242417373 - - - STA - 15)M�CT 10' RLi%SS® ptm II4£I I , .' jjI - I �;� ,Y _ �_._--- �`- 4' RT D Y -'- R 17� 5 I r ,. �� LLTM 00 147404' 250.00 6211 NJ54 J3'W 61.95 N 703869361, E 242417473 N 703875542, E 2424169.51 CJ1 13254' 1175.00 31.75 N35B 56'E )7.75 N 703875542, E 2424169.51 N 703878709, E 2424171.71 j� T/t=41A461 - I SEE VISE1 FORD i I i _ I - _ _ - •1 1 -- 02 500'02' 1025.00 89.46 N27522E 89.4J N 703878709, E 2414171.71 N 7038876.45, E 242417523 D1VY -4 OCTAL 2 +17. • QY LT DI11' -4 C3J 14642' 180500 56.02 N05374'W 56.02 N 7038694.06, E 2424206.99 N 7038750.07, E 2424206.12 T _ _ ALFORO COPPEIL REAL l ' ESMX HaDM,'S L.LC ° )14VII Ii�TANHG fl AMMA 6491.32 - C34 37439' 1175.00 69.95 Nf42'13'W 69.94 N 7038750.07, E 1424M.. 12 N 70.56819.98 f 242420404 99167, PG 1551 I ALFORO WW 4M O.RA.CT. Wu 1� P1F�pT PAIBYWAY Pps//� Ca*M M I � C35 J0954' 102500 56.61 N74936W 56.61 N 7038819.98, E 2424204.04 N 7038876.56, E 2424202.23 296 FREfPO4T PARKWAY + x COPP64 7X - - " 1 _ HENRY H T.47E I C36 15745' 1780.00 6x97 N014743'W 60.96 N 703669483, E 2424231.97 N 7038755.79, E 2424231.13 pRa-M RrTA4/Wr, 186 S FRaFMT PKWY WL: rl.' , COPPQL, W, 07 892656' 15.00 23.42 N4454 J7-E 21.11 N 7038755.79, E 2424231.13 N 7038770.74, E 2424246.03 SEE XTAMW WALL INSET GRAPHIC SCALE: 1" = 10' _. MANS FW OEM - - 08 695641' 1500 1832 N377237'W 1720 N 7038786.44, E 2424240.52 N 7038800.11, E 1424230.08 - -- / C39 10176' 1200.00 21.39 N29d55'W 21.38 N 7036800. 11, E 242423d 08 N 7038821.47, E 142422899 W(9 Win _ V - � t 6_ . + F Tot f2 EP O Tp T PARKWAY 1�WLSISIr U9 0 C40 30954' 1000.00 55.24 N749'36'W 55.23 N 7038821.47, E 242422899 N 7038876.67, E 2424227.23 25QQ0' __.. _. - .. - -_ - HOR =1' =20' LA STA 14+ 77 L.P. 0.£V 4S 79 klZL= '= -I I NSTA 15+ 505 AO _ 56 I I I I I I h 505 y 500 - - - - _ I I _ _ M490 GRAVE L er Rr 1C _ I 500 495 495 DZT QWM. a 55' LT LT & RT T/G RSOX 490 - a CAT RLIAD - - -- _ = - -_ -,�- - - - - - _ _ _ _ 490 _ _ EAST OPQN(JO SS RT 485 ) 485 �'K a W C5 13 +00 14+00 15 +00 T m a . a 1 T Y • O IF COPPELL scale hadz 1 ° - 20' .en s teague nall & perkins 17304 Preston Road, Suite 1340 Mp "r° e CPL07399 sheaf This document is for interim review and is not intended for construction, bidding or permit purposes. City Of CO 11 Texas +� PPe ' Reconstruction Plans For * ].=4' Gallas, Texas 75252 214.461.9867 ph 214.461.9864 fx Kyle A. Bennett , P.E. Date: DEC 2012 Freeport Parkwa T ° date PAVING PLAN AND PROFILE no. revision b date e v 8 A s i e % DEC 2012 TBPE www.fnpinc.com No. F -230 www.fn inc.com Tx. Rag. # 98627 STA 13 +00 TO STA 15 +25 wAtxw W1EEL PARK - - CAU7701W 345 FR SPORT p7Y. (1r CYPP£CL- - . /. -, r oP ANBENPpNT PARKWAY° - KL -98134 PG- 5682 l �+''.. _ _ i w nMS1N4C UT63Tlf5 Buvy zPARK : WE URMS Saw av 179M RAW WW COMM R M Waus swots C0oPL7L, IX _ . j AND ARE NOW M Saw ME MA" EJMEN E AND LOMM a' UNIM J N ME AOWA a' CaVSBKACMK RE 641 MIER ASAMES NO AE94W S ILW FM _-_ L - - _ - _ 'C' WE ACPNACY Or RE UWJTY MUMMXW Saw aW WESE PLANS 1W 15+58.51,' Td29' LT I 3 if / f CaWNC/a4 STALL WWY ME EXALT LOA MW a< ALL tAXAM PAM fo PT ' . PR r2' M. •� r i /. i M HE CMMOMR SWL G rAff UMY C WAMM 4E MOMS Mj PROP 12 / N AOKYNE OF ANY 00161A4CM ACUWZS N aM191 N GEM WE F VMW - =---- AW aw6E- � -`• - - _ _ /yam K - ALE ANY OOiLCW M1Nl AE APTaS� fAa[IIES AE OdIiRAC1aP 9WL NCW1 aW AMEMIZZY WEN CLAFRUA= NA/ FJMM U/LhS AIPF 24 PROP 21' RCP PROPOSED TREE` REMOVAL T -._7 ;' ! ! Ir /' ( J r / ��"' .:-� .-- =h1 r i• ,. , I I -rl sa CAT CI FC/6FSQ}i Flt1tY �, / 1 I �l�, loll- � r-- 1 «-- r � _ ° •� E'N y� a�; GRAPHIC SCALE � PROE'CT OGWIROCIIAYOUT SHEET 6 h129 L GRAPIEC SCALE: 1. - 2V JQT Rmff 1 I STA /8131 11YwY SHOT (J I INma1.. N N>a�tarcan wads Cis, c .!Y . 15fUM1311Y �• ' ( t,�tj7/ �,,`. h1 f1 F` w U7 11 _ -1 7E PT 1a 1 �" _ 1� `E' � i 9{ 1� l t� /f� -'� � `"- �i _ �Ir �- 13ffRT 2 Xji pp�� 'tr�., .`. i.. _.�_.-✓ I,,r ;iris, .,' r.;- YlrlT/f-s ;'��. V" \� _.._. ____ - i',,•' -�f' _ - -t ��� .,,1-} lAHi45T .1L15'RT �tl 1/ _ - 1 h�1 „ - - JirIM/1C 016 % A � 18VL FLAN 1 4$ 38 R - r l ' + - - - !` 17 *9AQ¢�850' RI yw 8' ss i AC - - -- = - - - - - - �c t RO1K / PRO° CANCWS c�v I �� , �t /�' F 7 1 �.' I %ZD'ITDNY.5 'ti FC / WWRITY ME SYSIEAIS A7SEPA A aCk ALExANOER 1F38 /YC RT C�0 JOSEPH AWYEAL - + = AND PT � ems= % < ' ALEXANDER Wf$ LAVA d ALEMD& . - - ��� 196 FREEPORT PARKWAY VOL 99242 PC 2628 14 110'. RT Mr 3 1f 12d LT DIFY-5 F'RQ975ED IiLTANW^ .:� / ,.'f �'�, 7 j ; l G9PPELL. TX D. R.D.C, L _ v L1CN1C Y .. fil0 lXMMC DYirIf1M4Y 1 _ - a7'6ECT >0 "Wr aIYIECT 10 E7MST DWY MALL ' 8 APIN StMWT CLOW DATA CURICI DELTA I RADAUS UWTH IMM WARNG Ll'lC O PC PT C28 590'02' 1000.00 87.27 N21522 1E 8725 N 7038789.16 E 2424146.80 N 7038876.34, E 2424150.23 02 590'02' 1025.00 89.46 N27522 E 89.43 N 7038787.09 E 2424171.71 N 7038876.45 £ 242417523 05 309'54' 102500 56.62 N/ 49'36'W 5661 N 7038819.96 E 2424204.04 N 7038876.56, E 242420223 C40 30954' 100900 5524 N1 *49'36"W 5523 N 7038821.47, E 2424228.99 N 7038876.67, E 242421723 C41 44222' 10100.00 82.14 N2'35'50'W 8211 N 7039150.95, £ 7424149.06 N 7039232.96 E 242414534 C42 1:13'32' 1025.00 2789 N7 U1 25W 2789 N 7039151.05, E 2424174.06 N 7039178.94. E 2424173.57 C43 3413501' 6800 41.04 N152920'E 4x42 N 7039178.94, E 242417157 N 703921789, E 2424184.36 C44 343206' 68.00 40.99 N155700'W 4x37 N 7039179. 10. E 2424201.33 N 7039217.92, E 1424190.23 C45 1:1341' 102500 279J N032'12 E 279J N 7039151.17, E 2424201.06 N 7039179.10, E 2424201.33 C46 90170'00' 20.00 31.42 N44 45'21 E 18.28 N 7039122.55, E 2424226.19 N 7039142.63, E 2424246.10 C47 9293'45' 20.00 32.14 N44-12.46 -W 2879 N 7039166.6J, E 2424246.63 N 7039187.27, E 2424226.56 C48 13540' 1000.00 3165 N246'57E 1 3365 N 703918727, E 2424226.56 N 7039220.87, E 2424228.19 T N IN . a t T r - O it scale teag ue nail & perki n s This document is for interim review and is not x COPPELL h° rt purposes. 1 „ = 20' intended for construction, bidding or permit 17304 Preston Road, Suite 1340 v °`t Dallas, Texas 75252 1 a = 4' Kyle A. Bennett P.E. Date: DEC 2012 * date 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 Tx. Reg. # 98627 o no. revision by date A s t DEC 2012 www.tnpine.com City of Coppell, Texas CPL07399 LO7 Reconstruction Plans for sheet Freeport Parkway 16 - rni ©n u PAMR W ATr STA 15 +25 TO STA 18 +75 .. 17000' FC - NOR= 1� =20' LA STA 16!01194 _ LrdRri�C l.P..- EIEY -4 11137 PNSTA18+M.M4 500 L�aDDE o a 4M PW 12 AO V -. __ :. .__: - _ _. AU W25ff .. 500 L r & RubLJ - LT&RT OasOs 495 - - - - - - - -- - -! - - - -- - -- I I 495 I � -, 100 W #M= 491.93 _ - _ - ----w _ 490 - 1 Fxsr arpnp i' I I 490 485 485 ! EIfST QP W O 55' RT v 480 I 1 _ - - - - - - - - - - - n 480 m .mlr6WOm0 0 L vx 475 11490W 9 11490W L . -- r , - � x1 _ Y - =r e 16 +00 17 +00 18 +00 T N IN . a t T r - O it scale teag ue nail & perki n s This document is for interim review and is not x COPPELL h° rt purposes. 1 „ = 20' intended for construction, bidding or permit 17304 Preston Road, Suite 1340 v °`t Dallas, Texas 75252 1 a = 4' Kyle A. Bennett P.E. Date: DEC 2012 * date 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F -230 Tx. Reg. # 98627 o no. revision by date A s t DEC 2012 www.tnpine.com City of Coppell, Texas CPL07399 LO7 Reconstruction Plans for sheet Freeport Parkway 16 PAVING PLAN AND PROFILE STA 15 +25 TO STA 18 +75 T N S - Q N T Y - O F scale 1 " COPPELL =20' avat r * 0 1 date ' no. revision by r dam F R A s L e v DEC 2012 tn teague nail & perkins 17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TSPE Registration No. F -230 www.tnpinc.com This document is for interim review and is not intended for construction, bidding or permit purposes. Kyle A. Bennett P.E. Date; DEC 2012 Tx. Reg. # 98627 City of Coppell, Texas - ' 5-SMW NO*- 64R1'D NEN: FWIi' ,: - .^ /LOT \ fIOtDMGFN57AW -...� T -_... �_. fE .. A .. __ - - - DOSTWO U77UIIES CQpBWA 1E iFMtF REPUcaw 2R -7X ILOL7C A - - +8.2 i li0' Lr•011' -74. 71 AWS ALL 1 T4 LF 1+62` 8.w - - - - -' � - - •.. _ PRQoQSED 1REf REi110YAL HE Olu1ES 9p1W a7' WX MANS NEIE' CWXM RM WMS SOMFOES . rAwaFRTY ON R / AUVRPOWr BUSNESS PARK ' ' - - APE RAL TE ' , - .` _ -- ._ - AW ARE XMW M 91017' AE NlOELL EbS� NO LOGApY ar Umnzy N NE AEA E W'�b7AACAIOY. BVMMF ASSLES NO AEFQK51111M FUR _ r STA W71 • 41 me LT T PXWT . -\ . , AT COPFELL _ ` - ', Qfl1E141Y , - " LM GCtic LIB7L1N1 � _ _ - - Pow /0' Ma aE AatNACr OF AF U1NRY N/isownav =W av NEW n ws nE GYN68i1ACT f0' ammv an miT , �� i C.0 2 0 0 70 119 4 ,' / .�.__.--- •_... - : ;. f1QSl - =- -. -. .4 �- - -.�' �- -MAC= SIAL WWY NE EXACT LOGINay OF ALL URIM FXW HD CQVS1Rucncrc NE N - " -:T __- -�_ -_ `t -- f NO7E.• FAR TRAIL AUt7V DU SEE N AOV,NEE OF ANY OpiSDYUCNpY ACNYIES ati1P M LEIBYf F NE1QE' AA'E ANY CMFU= WIN NE AWPOFn FAQIRS NE af4NPACIa4 9MU i _ - _� l� rr ILL mECT CANIRO m YLVIT SIiw N01Fr NE a7Y 1EEBIIANLr NIO/ aafL�CIS aa00119M RA1 E?OSNMG URIIES NE GRAPHIC SCALE " -- �- -- "' Rat[ - -- -- -- zo a to zo 40 - -- - - -- ' -' -- �. sLa7 a 616' -- -- -- -- - 164lr{T' �._: ✓ «_.__Y m+1�NU fEPQR .PAR A ' -` _ 2/+SQdq' T -< r z • i8 - '4 r .,e � "+ - I GRAPHIC SCALE! ,• _ zo /; N70tlRII7p ElfNNN ' - / 11Dl8LI<8 11,W LT � 11 +' 156,1 T;f 1 / OUITW DATA 4.,c,' / r+W DMY- sol .1v y X / � z PIS �.' ,� - 1 i a^•. / ,, � oww vaIA R 0W UNON OWN PC PT . - �.^..:..:. �..,� 22 +_ g0 Col 44212' 1000.00 82.14 N23550W C4J 3435'01' 68.00 41.04 N157970'£ 82.11 N 7039150.9$ f 2424149.06 40.42 N 7039178.94, E 2424173.57 N 70392J2 98. E2424145.34 N 703921789 £ 2424184.36 A6T`LT 20+ - - � �• - ,STA Z ft I. -, LLAI%_ - >_. _ „_, •_a. � C44 3432106' 68.00 40.99 C46 155'40' 1000.00 3465 N1557'00'W N24657'f 40.37 N 7039179.10, E 2424201.33 3365 N 703918227, E 2424226.56 N 7039117.92 E 2424190.23 N 70J922087, £ 2424228.19 W' a. P/+0/AifrdIIKIPT/N7W STA 2YIFQIIAE SY6 RT w _ PC ?I +5418 _ -_ 11154. QTRT 1t E EItNEt� .__ f2 C49 451'55' 1200.00 10190 N231'03'W 10187 N 7039232 98.E 2424145 34 N 7039334 75 f 2424140 87 - ... ., Pl. - idf1X8T pAt - ..�_ ` .` _ E - PT _ _ ffi00'RT :. E � I _ -- -`- .... ..- -OSO - C50 90W'DO' 20.00 31.42 N45105'06'W 28.28 N 7039397.86, E 2424140.78 70394178J. 4241 7 N E 2 20. 5 - - 10-mv F JOR6N ..' SV/f�R. lD•aTE f 6th RT .. _ _t _,� ;". �i ' ^� >s '~ -,- - - -\ - ;_- - 1 `_- C51 90Dp'Op• 20.00 31.42 C52 14TIOGIS 350 6.96 N445454 £ N89'46'54E 2828 N 7QT9M1.83, £ 2424120.71 587 N7039217.89, E242418436 N 7039461.86, £ 1424140.68 N7039217.92 £?424190.23 - 1® ORRRS J 1RW f t < �. 1 C53 11197'35• 3.50 6.79 - 8910541V 5.77 N 703928577, E 2424194.23 N 703928568, f 2474188.46 -Nf 'NA7 RT 44 i1f RT f 4100' RT POF IS67 m+ls4>i 4SA1 r " PT \, tx7 1 N 7039285.68, E 242418846 N 703932430, £ 2414175.93 ' FCC - lJ 6746 ..' pL F ! - _ C54 344417' 6600 41.23 N1758'18'W 40.60 Pern e A `,a � � �� I - C55 042'50' 116500 1452 N074'J9'W 14.52 N 7039324 J £ 242417593 N 7039JJ882 £ 2424175.87 - /1 -,- t;.° - - _ K l 17.5' - - Ns PC \ R0.R - - - _ I • , 00 5099 C56 I14f 08 250. N 4 4 'W 5 3 9 50.90 N 7039JdB 82 E 2424175.87 N 703938946 E 2424170.79 _ - - - - Y - -f--" - - / 146SOR 8.5' RT LNIY- PT' - /i6i 290' LT DIW-7 I if \ \ I C57 1128'42• ?50.00 50.08 N549'27•W 50.00 N 703938946, £ 2414170.79 N 7039439.20,E 2424165.71 _ _1+6128R1 T10'RT ONY -6 `� \ C58 3444'40' 68.00 41.24 N16D934 f 40.61 N 103928577, £ 2424/9423 N 703932477, E 242420553 - - - - - -- _ - .. - - -; \ _ _ -- - 1+64.2 ' 120' LT II ,6 1t6SM 190 -7 1 +111 290'LTBNY -7 - - - -. - -- C59 073'37' 8020.00 31.75 N173 44'W 31.75 N 7039M. 19, E 2424205.50 N 7039357.9$ £ 2424204.73 l+642 IEO RT my-6 + PC iw cow ammY .. L� L � A91EMA - 4.r H 1RGCT HUC \ � - C60 17553' 7800.00 17218 NO5235'W 172 /8 N 7039477.74 E 24242OL57 N 7039649.91, E 2424198,94 CM&W-!8 zw ow GtiMIfC T/P =49981 f ' , r0 EVSTIONY l / +7UQT 12X RT DiFY -7 , 1RAN911CM1 \ \ C61 853031' 20.00 29.85 N46 30 0.1'£ 27.15 N 7039220.87, E 242422819 N 7039239.57, £ 2474247.89 T� OP 10' HCPf f Q Lf -. I -- \ C62 9129'54' 20.00 31.94 N445902'W 28.65 N 703926361, £ 2424250.94 N 703928387, E 2424230.69 SD LINE C3 C \ -. - +g - _.. r I KRISONE L SOROYWAS1 188 fRE£PQRT PARKWAY - C63 2197'50' 1200.00 4288 N075:T0'W 42.88 N 703928387, E 2424230.69 N 7039326.74 E 2424230.50 SECURITY FIRE S/STE C/0 J02-PH ABCHEAL - I CQ°I°£LI, . _ C64 07337- 804500 31.85 N123'44W 31.85 N 7039326.75 E 2414230.50 N 70393585$ E 2424229.72 ALEXANDER I JLY CHARLES HARDMAN 191 S fREDWT PARKWAY - 065 90VO'00' 20.00 31.42 N4J7928 £ 28.28 N 703939359 E 242422880 N 703941411, E 2424248.27 196 fAfiPLYtT PARKWAY I COPPEU, , COFFEU., TX C66 9019000' 20.00 31.42 M46 *30'32'W 28.18 N 7039438/0, E 2424247.63 N 7039457.56,E 2424217.11 F R E E P ©R 4 PARKWAY C67 05535' 7775.00 12572 N110244'W 125.72 N 7039478.40, £ 2424226.57 N 7039604. 10, E 2424124.27 170.00' 1C 4 aoo' LC - . H(M 1� =20' HP. STA 22+ 55 LR STA 18+04 4M2 7 .. H.P. 'PHSTA +89 - i -_. - _.- - _� -. _- - - - __ - -- PwST� #918- 510 PA - I - AQ - 553 aim 510 _ � I 505 mm - - - _ __ - - -m -- - 505 - F�NS7#D GRAAE LT dti Tom. -- - - _ -. - _ -- f#4oiM 055 RT FaW96 QMX T & RT T/C 500 - _ _ _ : I t- ( 500 O XST rilloLNO /L Or RLNO -... , ... E7?ST OPQSNO ®55 LT - -_ LT&R T Ali a08 495 - _ _ _ - - - - _ , _ . _ � - - -. _ _ _ 495 490 490 19 +00 20 +00 21+00 22 +00 T N S - Q N T Y - O F scale 1 " COPPELL =20' avat r * 0 1 date ' no. revision by r dam F R A s L e v DEC 2012 tn teague nail & perkins 17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TSPE Registration No. F -230 www.tnpinc.com This document is for interim review and is not intended for construction, bidding or permit purposes. Kyle A. Bennett P.E. Date; DEC 2012 Tx. Reg. # 98627 City of Coppell, Texas CPL07399 Reconstruction Plans For Freeport Parkway sheet 17 PAVING PLAN AND PROFILE STA 18 +75 TO STA 22 +75 �''' `\\• \ `' LOT 2R -2X BLOCK A AMBEPPaNT BU57NESS PARK • \ , AT COPPELL .,I MP OF rxr CC 20070118394 y CAS W 4842 WAGON W EEL PARK il. 345 FREEPORT OTY OF COPPELL PARKWAY K1L 981.15, PC 5662 aTY OF CaPPELL emu' Ix OR.AC T. KY. 9819 PC 5667 � � AMBERPOWT D.R.D.CT. 1 - BUSINESS PARK RIP rxr 1it7A111 III t' GAaUV 1715.2 I } f , ` w PEVESIRM GUA XP EID rxr r.AaM r64" 4r1,yt' 5 0, R�° rxr RP rxr a4" 471 Yxr aAeRrl �' l 1 _ PROP 11" WA MR Of Pacw 12' wA nx GnE saw PROP 10' MM R61Aa1WV0 WAU t' _ _ - - - 0 L APLW Cr19LW t i ; ' QY ixr PROP f1 1gilE RCP W t, sn ur ez —J I RP OF rx1 ! V k T F 1At1 rA CAagIC 19L5/ NAIL ur��c — J Paa� PROP O&W 447 I 2 1' RCP am r / I -- r — — 1 } -- - - l.- + �. RIP OF 1712 :n - -- -- - - -1 1 I — e 17 +ao - m 2 RCP & r RP OF rxr r = Rw OF rxr ! ! - -- lAP 6F 81 i CAaw 4845 / 4782 - - I 2 18& 0 FPEEPOR1 }�ARKWA µ 1 t. a IV. lass axw am PROP am 490 OFrxr 44, 1' . m Sul i PRO° 11' ROPF so ux ca $ - -- $ i PRrn a "ss li7CW /r.ff, ROK Ra1C • X ( i / �.c_ 4Ai? x PROP RETAIAWO WAU Y GAMON_ . 5V LM >, csP I: N - TCURrrr FwE SYSMWS rw0^ RETAMM WALL cz' -- ��'' i C/0 J05EPH MKHEAL -= ! J02PH PROP 10' H&T 91 LWE Cl 788 5: fRTEEPAPT _. RP rxr , ..q`�E "''`"' • f T PARKWAY \ COPPEL 7x - PKWY Gla'aV 4825 - 11 �V YW.. 4Z PG� i I Calp7i., IX �' f CASON 491;2 1 A/ 490 SECTION A —A CAU71ON11 E7051wc Un nES AE uww saw M nESE mms sw Comm #Rw M4wz zeds Arc Alf #M= R7 MW WE MOM DAS711e1E Afc LCG1nM CF UW ES N nE AW a' CasMICRaL RE SWIM A=i ES W 1OE UNSWILOY FOP nE Aa mff a" nE unmy ofawam sow av MX HAMS WE MIM CM 9LML WRIFY WE a W LOCANM ar ALL UAIM PMQ? m CCY6AnA M nE CGVM4CRR 9WL CWTACT Ur/N'Y CZAR 40 MM N VWVXF OF ANY 0067WROV ACRMIES N AV& m 0ERMCK F NOW AIE ANY CAMLCA WIN nE PM1 WEV FAOTNE,S WE =1114CIOP 9%UL N01EY nE GMEER MEDMR3Y ■EN C AFUC1S aM DISIM URUIET ARE ASCO ROX N07ES 1. SEE RETAINW WALL TYPICAL SECITDNS FIX STRUCRIRAL DETAILS OF WALLS: 2 RETAlIWNG WALL ALIMENT IS AT THE FACE OF WALL PROPOSED 44M 1149aT SM fl:'BOX' CUT IN S/E COR. 10' MLET LOCATED 60' WEST OF W /CURB OF fTBfPORT PKWAY., +/- 30' S /OF n4T. W/ COPPELL NATURE PARK. ElEV- 519.78 8M f2 -BOX- CUT ON THE SOUTH BACK OF CURB OF AN OR1VE ENTRANCE To ALFORD MEDIA AND LOCATED 130.00' EAST FROM TFff CENTERLINE OF FREEPORT PKWY. ELEV- 49&52' BM 03 CUT ON B/C LOCATED ON THE S. CURBLINE OF BEAL CT. & ON THE E 510E OF OAKBEEN ESi PARK +/- I OW S.E. OF 722' BEAL CT. ELEN6.507.08' GRAPHIC SCALE 20 0 10 20 40 GRAPHC SCALE: 1- - 20' NTS T H t - a 1 T Y O r scale COPPELL 1 ° her1, =20' * NA T o date no. revision by date e x A s 1 a 9 DEC 2012 teague nail & perkin tnp17304 Preston Road, Suite 1340 Dallas, Texas 75252 214.461.9867 ph 214.461.9864 fx TBPE Registration No. F-230 wwwAnpinc.com This document is for interim review and is not City of Coppell, Texas 7 intended for construction, bidding or permit CP L07 R4KOnstrucfion Plans For Reconstruction sheet purposes. Free Parkway Kyle A. Bennet P.E. Dale: DEC 2012 pod 27 Tx. Reg. # 98627 CHANNEL GRADING PLAN NOTES TO USERS This map is for use I, ad -i-mg me National Flood Insurance Progrem. It does not necessidly identify all a subject to flooding, padiwlady hombcaI d,,,,g, sounes of smalls e. The < unity map repository should be co nsulted forpo 'bl0 updaletl or atltlitlonal flood hazard information. To obtain more detailed information in areas where Base Flood El ... fions (BFES) and /or flaodways have been determined, users are encouraged Wconsult the Flood Profiles and Fillo y Dal, antl /or Summary of Stillwater Elevations l.U.S contained within the Flood Ineurznce Study (FIS) report Ihaf acoomPimw this FIRM. Users should be aware that BFE, shown on the FIRM represent o d,d whale -foot elevations. These BFES ar intended for flood in rating puoses only and Should not be used as the sole w of good elevation p information. Accordingly, flood elevation data pduohted n the FIS epod sh..ld be dli-d in conjunction with the FIRM for Nap ... a.f construction and/or fl- oplatn management. Coastal Base Flood Elin,"ons Shown onthis map apply only land ad of 0.0' North Amen- Vertical Datum of 19M (NAVD 88). Users of this FIRM should be aware that coastal flood elevations are also provided in the Summary of Stilleater Elevations table in the Flood Insurance Study report far this junedidion. Elevations shoLm in the Summary Of S ff,R,ter Elevations RADIO should be used for "at""' and/or flaedplan management purposes when they are higher than the elevations shown on Ihis FIRM. Bounden.Ofthe flaodways w omputed at Ila, $0001, and interpolated between a wdions. The flaodways were b...it on hydraulic considerations with regard 0 requirements of the National Flood Ineadmce Pdgmm. Flcodway widths and other pertinent floodway data are provided in the Flood Insurance Stutly re Port for this jurisdiction. Certain anias not in Special Flood Hazard Areas may be Id -oted by flood on4o1 strmn uss Refe . r to Section 2.4 •Flood Proledion Measures' of the Flood Insurance Study report for information on flood wntrol snomes for fads fun,dldiom. The projection used In the preparation of this map was Texas State Plane nosh central zone (FIPSZONE 4202). The honxontal datum was NAD83. GRS1980 spheroid. OWN—Da. in datum, apberoid, P.J.Ite n Or State Plane s ma used in the production of FIRMS for adjacent jurisdictions y result in slight po,t,nal differences in map features epos jurisdiction bound..... These differences do not effect the .—y of the FIRM. Flood elevations on Ihis map are referenced to the North American Vedicel Datum of 1988. These flmd elevations must be wmparad to structure and grmnd elanalmns referenced to the samevartical datum. For information regarding conversion between the National Geodetic VeNkel Datum of 1929 and the North American Vertical Datum of 1988, visit the National Geodetic Survey vrebad, at hftp. /Aw ,ng,,,,a,,g,,/ or contact the National Geodetic Survey at the following address: NGS Info..U.n Services NOAA, N /NGS12 National Geodetic Survey SSMC - 3,#9202 1315 East- West Hghway Silver Spring, MD 2091P 3282 To obtain ou-nt elevation, desuipbo arts /or bcatipn information far bench marks shown on this map, please conted the Information Services Bench of the National Geodetic Survey at (301) 71 }3242, or visit its webs8e of hdP: /N.w Rdgs.does, gov /. Be. map info' w- shown on this FIRM was provided in digital formet by the North Cenral Texas Council of GOVemments (NCTCOG). This information as pilt.gre- en,aly compiled al . acele of M I..d 1:24,000 from aerial photography dated 2001. This map reflects more detailed and uP I, data stream channel configuretlons than those shown on the previous FIRM for this jurisdiction. The 6undpllem, arts flaodways hat were transferred hom the previous FIRM may have been adjusled to conform t these steam channel wnfiguralions. As a exult, the Flood Profiles and Flwdway Data tables in Me Flood Insurance Study report (which contains aufhor#afive hydraulic data) may "d"` steam channel distances that differ from what is shown on Nis map. Corporate limn- shown on this map a e based on the best data available at the time of publlwfion. Because changesrdue to . and ..ti -S pr de- annexations may have .-m .her this map was published, map users should conlad appropriate .,,,unity othcial, m veiny convent corporate limit locations. Please refer to the separately printed Map Inda, for an med,iM map of the count' showing tine layout of map panels; community map repository addresses; and a LiSIR of Communities table containing National Flood Insu enw Program dates for each community as well as a listing of the panels w which each wmmuniy Is 1 ... ted. Contact the FEMA Map S.M.. Center alt- 800.358 -9616 for information on vailable products associated with (his FIRM. Available products may include previously issued Letters of Map Change, s Flood Insurance Study report, antllor digital versions of this map. The FEMA Map Service Center may also be reached by Fax a1 1 -80d 358 -9620 and its w.b.it. al hbp:/M•wR- c.fema.go, If you have questions about this map or questions write 'rig the National Flood Insurance Program in general, please call!- 877- FEMA MAP(I. 877- 336 -2627) or visit the FEMA Rebsit, at Mp:/t— An.a.go, /. "52°0°" N Is57a1. N . .50man N I049004i' N "48mpm N . "470p4v' N u•se15. 9T'03'05 Ni oo00 FT s8300en E a8eomm E aBSawm E a86p 01n E oa,3'o0.00.00- am n ao 2415000 FT "� "•�' �•" 2420000 F I ZONE A \--� Grapevine CreNc ` "j!; m' ZONE X ZONE X CITY 48 180 480100 !ONE X 045000 FT !ONE X �L'o!l0nwoodBnnda al Denton '040000 FT 7035000 FT EAE ZONE AE. LEGEND SPECIAL FLOOD HAZARD AREAS (SFHAS) SU83ECT TO INUNDATION BY THE 1% ANNUAL CHANCE FLOOD The 1% annual Nance flood (106year Mod), elm Imown as Ne base -, b Ne Rood Mat Ns a I% dance of Deng saN. pc .-ad m any given year. The Spinal MM Hanrd tee Is Na area Sub)Zd to flmdng IS, Me 1% ennuel c - Rood. Areaz al Row Hanrd III- ones A, AE A , A0, AR, .9, V and vE. The Base Food EkvaDOna Me w ter - surface ekvadon of Me 1 %annwldmnP flow. ZONE A 1. Base Hood Elevebom determinw. Base How Ekwdons dete -st. ZONE AN ns cone E & 1 m 3 feet (wuaay areas pOnding), Base Food ZONE AO w depoe of I W 3 feet m-ty sheet flow w doping termln); ege deonn determined. For areas ar allwal fan Moding, vebcitlez Ha .ere -ee. ZONE AR Swok, Flootl nrd Area f mrody p Me 1% arms. Mad by flaw o trot r system Subsequently de¢Tfiw. Zane AN aln isles .1 s former flow[ m b 1 syten ss.g reztww to pmvde protector ham HIS 1% annual Jana or E-, flow. ZONE Age Asea be protedw hom 1 P flood by a Fetlenl flow Poly system under aonstrudwn, no Base Rood EH,-. aemmNw. ZO.EY COa.al Row zone with -t, M1anM (wave aNOn); no Base Row ns dee med. ZONE VE Mw zone wild -1t' -N. (wave odor); ase Flew FLOODWAY AREAS IN ZONE AE The =o fy Is OR ch. ml V a shmm plus aw eddJacent fiowplain s e, Mat m kept Ire. --ant m We Me 11 annual . now Pn be rococo wm.t svb.-I fneeases in flmd gM1K w OTHER FLOOD AREAS ZONE % Areas of q nual dance flood; a I% an I chance flow with HISS eepins of less Man 1 coo easwoOfr dral�wlg %u zreas t- M R are -I.; and areas protected byo levees hom annual dorm Mw. OTHER AREAS ZONE X ees del s,od m be outside Ne 0.3% annual d ce Medpleln. ZONE D Reza In wNon now hNSIS are undetemlmed, but p ,SIN - ® COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS Q OTHERWISE PROTECTED AREAS (OPAS) CMS areas and OPAS Hassmally local -n P adRoi le, Sped. How NanN Ares.. Flmdpaln boundary Hmdway Mundary - - Zone Dbaundary I a aM ORA bwndary L 's- Boundary -ding Sp-I Flood — Amas If dilfere t lase Flood Ekvadom, flmd depths ar a- - 513 — ease Raw He- Ilse and value; .e e- In feet• (EL 987) INS, - lees' eon value wM1ee un40rm wiUin zone, • R<N-- m me Nom -.I - Vemalnoamm of 1989 (NANO 08) A� U' Crosssedo - t9--- - - - --0 ttamed one s>•O7IO. -2ao Oastlmf t983 ilea -- to Me Nom Mennen u7s..N Ndom.er Ill- Tnn-- MernMr qM reks, sore it 6m"D FT zOw -fopf no veld..: Teas Sude Pane caw rate C /unmet CO nD- mne(FPSZONEa2 L lambert DX5510C =tin mark (See -a- In Notes m Users swim W Fl con.) e M1.5 rover Nik MAP REPOSITORIES carer to Map R.maiarka Ii. on Map Mal, EFFECTIVE DATE OF COUNTYWIDE 1000 INSURANCE RATE MAP ATI23 Not EFFECTIVE OATE(S) OF REVISION(S) TO THIS PANEL W a mmmmor Is, m evW sm wbnu munywl Ye m n9. refer to MR Ommuniry bk located n Me Flood rang reran Nr MIZ luny' ,nwrance gent w call Me R.11 -1 s".1 Ineunnceaprmnmh1at ml-as. 630- 66N.c1 4 MAP SCALE 1"=1000' PANEL 0010L FIRM FLOOD INSURANCE RATE MAP DALLAS COUNTY, TEXAS AND INCORPORATED AREAS antee PANEL 10 OF 495 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) m CONTAINS' COMMUNITY UN MBER PgNEL SUFFIX 7030000 FT of So L ® -- I.E. .11- -1s ons L ® PRELIMINARY ® J`JN L 3 2mT Ns- wlwn porch p SINP.7nnebacwnmimltII. N bbn MAPNUMBER � ly tl se usetl on mwn appkaamu br its swan sod, MAP REVISED Federal Emergency Management Agency 7 CITY OF COPPELL CITY 1 LEWIMIMLE CITY OF E EWISLV/LLE 4 ZONE X N OF COPPELL 8 DENTON COUNTY TARRANT COUNTY ( A ALLA OUN ZO E X Z ZON�X b b Z NE Z 1 O ZONE ZONE TOWN OF FLOWER MOUND, Z 480777 ZONE X 8 ZONE - .1101 COPPELL o CITY OF GRAPEVINE �Fa N / s N s r � Z Z 1 ° °Rp2 �P a Z ZONE �- H H c cAxrON ORNE O O E E I i ZONEX Z ZONE g g X C a CITY OF COPPELLA a CITY OFGR P PEVINE 7 7 48059 D D A O Oil E ZON _ - -X ^mow ROJECT E j L LOCATION Viness., g g / 3 ZONE X C NB E ZONE N wOR111FDIM R RNE NErAE µspa i E > ZONE en E >(0 - ISHE `ZONE AE C' R 5 20NE X - m re4E 5 LA g m--tiNN r 3 c O o g�` c ry o Sp/ a oa ZONE X--. A N`I`Ew D te ZONE Pm 9 99 woes +, ZONE X- N D p 5 511 C Colto.1 D -ER LRHE Deo n $ - ZONE AE a ZONE) LANE @ OR ZONE X R RLEO` � ONE A `L - A TAbmsry C- e � �. z G Grapind- C, CITY OF COPPELL & 8 8 3 Z 480170 0 g ZONE X so a < ZONE AE (EL 504) 502 smlmwesTERN ZONE AE / 41EwpY a Grapevine Creek m / aoIXEYMO a ZONE AE CITY OF C P PP LL_ ? � Z DI YE C CITY OF IRVIN ZONE X ZONE w CIT F F IRVIN C CITY OF COPP$ LL p p 4 480I 70 6 Ro otice 8 gENr eouLEVAR 2/ 1 cw..n 4 I G Grapevine Creek ZONE &ldga x . ZONE X ZONE X C ZONE AE (EL.35) p p 2415000 FT "� "•�' �•" 2420000 F I ZONE A \--� Grapevine CreNc ` "j!; m' ZONE X ZONE X CITY 48 180 480100 !ONE X 045000 FT !ONE X �L'o!l0nwoodBnnda al Denton '040000 FT 7035000 FT EAE ZONE AE. LEGEND SPECIAL FLOOD HAZARD AREAS (SFHAS) SU83ECT TO INUNDATION BY THE 1% ANNUAL CHANCE FLOOD The 1% annual Nance flood (106year Mod), elm Imown as Ne base -, b Ne Rood Mat Ns a I% dance of Deng saN. pc .-ad m any given year. The Spinal MM Hanrd tee Is Na area Sub)Zd to flmdng IS, Me 1% ennuel c - Rood. Areaz al Row Hanrd III- ones A, AE A , A0, AR, .9, V and vE. The Base Food EkvaDOna Me w ter - surface ekvadon of Me 1 %annwldmnP flow. ZONE A 1. Base Hood Elevebom determinw. Base How Ekwdons dete -st. ZONE AN ns cone E & 1 m 3 feet (wuaay areas pOnding), Base Food ZONE AO w depoe of I W 3 feet m-ty sheet flow w doping termln); ege deonn determined. For areas ar allwal fan Moding, vebcitlez Ha .ere -ee. ZONE AR Swok, Flootl nrd Area f mrody p Me 1% arms. Mad by flaw o trot r system Subsequently de¢Tfiw. Zane AN aln isles .1 s former flow[ m b 1 syten ss.g reztww to pmvde protector ham HIS 1% annual Jana or E-, flow. ZONE Age Asea be protedw hom 1 P flood by a Fetlenl flow Poly system under aonstrudwn, no Base Rood EH,-. aemmNw. ZO.EY COa.al Row zone with -t, M1anM (wave aNOn); no Base Row ns dee med. ZONE VE Mw zone wild -1t' -N. (wave odor); ase Flew FLOODWAY AREAS IN ZONE AE The =o fy Is OR ch. ml V a shmm plus aw eddJacent fiowplain s e, Mat m kept Ire. --ant m We Me 11 annual . now Pn be rococo wm.t svb.-I fneeases in flmd gM1K w OTHER FLOOD AREAS ZONE % Areas of q nual dance flood; a I% an I chance flow with HISS eepins of less Man 1 coo easwoOfr dral�wlg %u zreas t- M R are -I.; and areas protected byo levees hom annual dorm Mw. OTHER AREAS ZONE X ees del s,od m be outside Ne 0.3% annual d ce Medpleln. ZONE D Reza In wNon now hNSIS are undetemlmed, but p ,SIN - ® COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS Q OTHERWISE PROTECTED AREAS (OPAS) CMS areas and OPAS Hassmally local -n P adRoi le, Sped. How NanN Ares.. Flmdpaln boundary Hmdway Mundary - - Zone Dbaundary I a aM ORA bwndary L 's- Boundary -ding Sp-I Flood — Amas If dilfere t lase Flood Ekvadom, flmd depths ar a- - 513 — ease Raw He- Ilse and value; .e e- In feet• (EL 987) INS, - lees' eon value wM1ee un40rm wiUin zone, • R<N-- m me Nom -.I - Vemalnoamm of 1989 (NANO 08) A� U' Crosssedo - t9--- - - - --0 ttamed one s>•O7IO. -2ao Oastlmf t983 ilea -- to Me Nom Mennen u7s..N Ndom.er Ill- Tnn-- MernMr qM reks, sore it 6m"D FT zOw -fopf no veld..: Teas Sude Pane caw rate C /unmet CO nD- mne(FPSZONEa2 L lambert DX5510C =tin mark (See -a- In Notes m Users swim W Fl con.) e M1.5 rover Nik MAP REPOSITORIES carer to Map R.maiarka Ii. on Map Mal, EFFECTIVE DATE OF COUNTYWIDE 1000 INSURANCE RATE MAP ATI23 Not EFFECTIVE OATE(S) OF REVISION(S) TO THIS PANEL W a mmmmor Is, m evW sm wbnu munywl Ye m n9. refer to MR Ommuniry bk located n Me Flood rang reran Nr MIZ luny' ,nwrance gent w call Me R.11 -1 s".1 Ineunnceaprmnmh1at ml-as. 630- 66N.c1 4 MAP SCALE 1"=1000' PANEL 0010L FIRM FLOOD INSURANCE RATE MAP DALLAS COUNTY, TEXAS AND INCORPORATED AREAS antee PANEL 10 OF 495 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) m CONTAINS' COMMUNITY UN MBER PgNEL SUFFIX 7030000 FT of So L ® -- I.E. .11- -1s ons L ® PRELIMINARY ® J`JN L 3 2mT Ns- wlwn porch p SINP.7nnebacwnmimltII. N bbn MAPNUMBER � ly tl se usetl on mwn appkaamu br its swan sod, MAP REVISED Federal Emergency Management Agency Federal Emergency Management Agency Table 4. Summa-y,1 Discharges (Cont'd) Flooding Source and Location Drainage Area (Square Miles) Peak Discharges (Cubic Feet per Second) 10-Year 50-Year 100 -Year 5 COTTONWOOD BRANCH At confluence with Denton Creek 6.93 At Sandy Lake Road 5.69 4,500 6,400 7,300 9400 At State Road 4.69 4,200 5,900 6,700 8,600 At Bethel Road 3.64 3,600 5,100 5,700 7,300 At Story Road 2.76 3,600 5,000 5600 , 7,100 At Baltimore Road 1.06 4,100 5,700 6,300 8,000 2,000 2,750 3,050 3,800 COTTONWOOD CREEK (EAST FORK TRINITY RIVER) At Lake Ray Hubbard 4.10 4,200 5,800 6,500 8,300 COTTONWOOD CREEK OF GRAND PRAIRIE N Below Stream 8D1 Above Stream 8131 14.35 10,700 16,200 18,800 24,600 Below left bank tributary 800 feet above 12.99 10,300 15,300 17,700 23,200 Southeast 8f° Street Above left bank tributary 800 feet above 12.71 10,800 16,000 18,400 24,200 Southeast 8' Street At confluence of South Fork of 11.64 10,600 15,500 17,900 23,600 Cottonwood Creek 10.33 Approximately 480 feet above South Fork of 11,700 16,700 19,200 25,000 Cottonwood Creek 5.66 Below left bank tributary 1,100 feet above 6,400 9,200 10,600 13,900 Robinson Road 5.20 Above left bank tributary 0.4 mile 7,800 9,700 11,200 14,300 above Robinson Road At upstream Grand Prairie corporate limits 4.52 6,400 91100 10,500 13,400 3.27 6,700 9,100 10,200 12,800 FLOODING SOURCE CROSS SECTION I DISTANCE I WIDTH (FEET) Cottonwood Branch at Denton A B C D E Cottonwood Creek of Grand Prairie A B C D E F G H I J K L M N O FLG' :DWAY BASE FL OOL WATER SURFACE ELEVATION SECTION MEAN WITHOUT AREA VELOCITY REGULATORY WITH INCREASE (SQUARE (FEET PER FLOODWAY FLOODWAY FEET) SECOND) FEET (NAVD 88) 3,850' 6,710' 356 1,780 4.1 463.7 463.7 464.5 0,8 11.335' 587 2,554 2.9 470,1 470.1 471.1 1.0 14,705' 270 2,156 3.1 487.4 487.4 488,1 0.7 22,510' 123 313 1,411 4.0 495.1 495.1 495.8 0,7 1,650 2.5 523.6 523.6 524.6 1,0 5,1502 7,5402 1,153 3,319 6.9 464.7 464.7 46 .7 0.0 8,8802 710 7,517 3.0 469 .7 469.7 4644.9 0,2 9,5002 797 7,216 3.2 470.8 470.8 471.0 0.2 10,1402 812 7,549 2.8 471.9 471.9 472.1 0,2 11,0202 904 9,484 2.2 472,4 472.4 472.6 0.2 13,030' 819 7,047 3.0 473.2 473.2 473.4 0.2 14,4242 663 4,675 4.5 478.1 478.1 478.4 0.3 15,640' 1,153 4,785 4.3 482.2 482.2 482.3 0.1 17,160' 497 3,252 6.3 483.3 4833 483.4 0.1 18,7002 539 4,304 3.1 485.9 485.9 486.2 0.3 21,240' 475 4,154 3.1 492.9 492.9 492.9 0.0 22,0702 641 3,253 3.9 496.2 496.2 496.4 0,2 23,2502 356 2,644 4.8 499.4 499.4 499.7 0.3 24,330' 342 2,317 5.5 503.7 503.7 504.0 03 438 2,942 4.4 508.1 508.1 508.4 0.3 'Feet above confluence with Denton Creek ,Feet above confluence with Mountain Creek Lake FEDERAL EMERGENCY MANAGEMENT AGENCY Ix DALLAS COUNTY, TX FLOODWAY DATA AND INCORPORATED AREAS COTTONWOOD BRANCH AT DENTON - COTTONWOOD CREEK OF GRAND PRAIRIE 1 ELEVATION IN FEET (NAVD 88) O O O O O O O O N O O O N cm O O W O O O O V co O O O FEDERAL EMERGENCY MANAGEMENT AGENCY 00 DALLAS COUNTY, TX AND INCORPORATED AREAS co O C71 O O O O FLOOD PROFILES COTTONWOOD BRANCH AT DENTON II { CS'1 W O 0-tr _ t ♦- 1'I L 1 I i _, _+ _y IA i I _- ir { ! I w T I _ a- w F I I r � I � � I t 1 I t r r I O V co O O O FEDERAL EMERGENCY MANAGEMENT AGENCY 00 DALLAS COUNTY, TX AND INCORPORATED AREAS co O C71 O O O O FLOOD PROFILES COTTONWOOD BRANCH AT DENTON II { CS'1 W O 0-tr _ t ♦- 1'I L 1 _, 1 I . - -T I _ a- w F I I r O V co O O O FEDERAL EMERGENCY MANAGEMENT AGENCY 00 DALLAS COUNTY, TX AND INCORPORATED AREAS co O C71 O O O O FLOOD PROFILES COTTONWOOD BRANCH AT DENTON II { CS'1 W O ELEVATION IN FEET (NAVD 88) —' N W C.i'1 07 V OO CD O O O O O O O O O N O N ti N O N ca W 0 w N W w W w crl W C" w V W co w m CJ1 O 0 I I� +I I II I -f - tt L�, 4 1 —1 -L • _ _ + � - � I � 1 1, _ . ,� I ; , ! � - � - _-rrt1� 1 I I I 1 t s } t r 1 I _ I , , -1 , 1 kI y + T _I .y I I i It { F -r I t .I YI I 1- k I � t I I i, A 4�:- 4b. W P. cm O O O FEDERAL EMERGENCY MANAGEMENT AGENCY DALLAS COUNTY, TX AND INCORPORATED AREAS cn V co cm O O O O FLOOD PROFILES DENTON CREEK m O O I I � � - I r `t i i. 1 t - - - Y I , , I . I I _ I- I II I I I , i •; A 4�:- 4b. W P. cm O O O FEDERAL EMERGENCY MANAGEMENT AGENCY DALLAS COUNTY, TX AND INCORPORATED AREAS cn V co cm O O O O FLOOD PROFILES DENTON CREEK m O O I � � II t Y I . 4 I- I I I -,_. I" I I I I ; I C F,LE V L E JI T I I I I it I } T ;-� -- i yr� 4 A 4�:- 4b. W P. cm O O O FEDERAL EMERGENCY MANAGEMENT AGENCY DALLAS COUNTY, TX AND INCORPORATED AREAS cn V co cm O O O O FLOOD PROFILES DENTON CREEK m O O II t Y r . I � I I I -,_. I" I I I I ; I C F,LE V L E JI T I I I I it I } T ;-� -- A 4�:- 4b. W P. cm O O O FEDERAL EMERGENCY MANAGEMENT AGENCY DALLAS COUNTY, TX AND INCORPORATED AREAS cn V co cm O O O O FLOOD PROFILES DENTON CREEK m O O N -j W V W = co W G I- V W I.L. LL W EFFECTIVE HEC -2 MODEL (FEMA DATA REQUEST) * HEC -t WATER SURFACE PROFILES + + * Version 4.6.2; May 1991 + + * RUN DATE 18AUG11 TIME 16:03:38 X X XXXXXXX XXXXX XXXXX X X X X X X X X X X X X XXXXXXX XXXX X XXXXX XXXXX X X X X X X X X X X X X X XXXXXXX XXXXX XXXXXXX 1 18AUG11 16:03:38 ****** * * + + + * * * * * * * * * * + + + * * * * * * * * * * * ++ HEC -2 WATER SURFACE PROFILES Version 4.6.2; May 1991 T1 COTTONWOOD BRANCH MASTER DRAINAGE PLAN T2 100 YEAR FREQUENCY FLOOD CORRECTED EFFECTIVE MODEL (FLOODWAY) T3 CITY OF COPPELL, TEXAS (CBENCI.HC2) 5/11/94 J1 ICHECK INQ NINV IDIR STRT METRIC HVINS Q 0. 4. 0. 0. 0 0. 0. 0. J2 NPROF IPLOT PRFVS XSECV XSECH FN ALLDC IBW 1.0 0. -1. J3 VARIABLE CODES FOR SUMMARY PRINTOUT 110. 200. J5 LPRNT NUMSEC * * * * * ** *REQUESTED SECTION NUMBERS * * * * * * ** -10. QT 9. 4500. 6400. 7300. 9400. 7300. 7300. NC 055 .055 .045 .1 .3 X1 32816, 17. 1157. 1183. 95. 80. 91. * U.S. ARMY CORPS OF ENGINEERS * HYD70JIOGIC ENGINEERING CENTER * 609 SECOND STREET, SUITE D * DAVIS, CALIFOR14IA 95616 -4687 * (916) 756 -1104 PAGE 1 THIS RUN EXECUTED 18AUG11 16:03:38 WSEL FQ 463.39 CHNIM ITRACE 7300. 7300 7300. GR 4 1000. 459.8 1073. 459.8 1157. ,,2 .2 1169. 452.2 1179. GR 459.8 1183. 460.4 1195. 460. 1204. 459. 255. 458.7 1274, GR 459. 1328. 460. 1373. 461. 1438. =62. 1470. 463, 1486. GR 464. 1500. 465. 1508. ET 7.1 654. 1210. X1 32916. 22. 1000. 1035. 100. 100. 1.0. GR 458. 854. 458. 890. 459. 335. 460. ;59. 461. 975. GR 462. 986. 462.9 X0,0. 461. loos. -552.8 017. 452.2 1032, GR 459.5 1035, 460, 1060, 461. 1126. c0. 1195. 459. 1200, GR 459. 1222. 460. 1252. 461. 1345. 462. :362. 463. 1385. GR 464. 1400. 465. 1416. ET 7.1 1035. 1350. X1 33016. 22, 1152. 1183. 100. 100. 100, GR 458.8 1000, 459. 1070. 460. 1098. 461. 1120. 464.2 1140. GR 464.4 1152. 452.2 1166. 451.9 1172. 452.2 1174. 460.8 1183. GR 460. 1213. 459.6 1258. 459.4 1329. 459. 1345. 459. 1400. GR 459. 1411. 460. 1412. 461. 1488. 462. 1538. 463. 1580, GR 464. 1600. 465. 1620. 1 18AUG11 16:03:38 PAGE 2 ET 7.1 1025. 1350. X1 33116. 16. 1152. 1190. 100. 100, 100. GR 459.2 1000. 459. 1057. 459.8 1122. 464.3 1139. 464.1 1152. GR 452.9 1169, 452.7 1175. 452.5 1177. 460.4 1190. 460.3 1257. GR 459.8 1303. 461. 1315. 461. 1460. 461. 1500. 462. 1520. GR 465. 1530. ET 7.1 1030. 1300. X1 33560. 16. 1178, 1210. 380, 470. 444. GR 466. 1000, 465. 1008. 463. 1017. 462. 1019. 461.4 1050. GR 462. 1111. 462. 1178. 460, 1183. 454.5 1189. 454.1 1198. GR 454.3 1206. 462. 1210, 463, 1345. 464. 1368. 465. 1390, GR 466. 1400. ET 7.1 1063. 1409. Xi 34075. 38. 1188. 1230, 505. 520. 515. GR 467.5 1000. 467.0 1006. 466.0 1010. 465.0 1016. 463.0 1021. GR 462.0 1032. 461.0 1050. 460.0 1064. 459.0 1075. 459.0 1085. GR 460.0 1096. 461.0 1100. 464.0 1114. 464.0 1163. 464.0 1188. GR 460.0 1193. 455.8 1196. 455.6 1205. 455.8 1218. 460.0 1220. GR 462.0 1230, 463.0 1262. 464.0 1320. 465.0 1408. 466.0 1418. GR 466.0 1440. 466.0 1448. 470. 1458. 470. 1463. 467. 1479. GR 467, 1490. 465. 1502. 464. 1505. 464. 1552. 465, 1590. GR 466. 1600. 467. 1618. 469, 1637. ET 7.1 1115. 1624. X1 34472. 37. 1405. 1432. 460. 350. 397, GR 469.5 959. 468. 976. 466. 986. 464.2 993. 462. 1111. GR 462. 1161. 464.2 1181. 464. 1220. 465. 1230. 466. 1255, GR 466. 1265. 465. 1280. 464. 1303, 464. 1372. 465. 1395. GR 466. 1399. 466. 1405. 465. 1410. 460. 1414. 457.3 1416. GR 457.3 1425, 460. 1427. 465. 1432. 465. 1441. 464. 1500. GR 464. 1641. 465. 1658. 467. 1663, 467. 1670. 467. 1683, GR 468. 1691. 468. 1700. 465. 1717. 465. 1802. 466. 1815. GR 1827. 470. 1867. ET 7.1 1289. 1_.800. X1 34822. 22. 1369. 1425. 370. 260. 30. GR 472. 1070. 470. 1200. 468. 1212. 466, 1220. 466. 1337. GR 466. 1369. 464. 1377. 462. 1385. 150. 1390. 458.2 1395. GR 458.2 1405. 460. 1410. 462. 1415. 464. 1420. 466. 1425, GR 466. 1563. 464, 1590. 464. 1635. 464, X825. 466. 1970, GR 468. 2045. 470. 2175, NC .065 0.06 0.05 0.1 0.3 ET 7.1 1083, 1670. X1 6710. 31. 1250. 1286. 1100. 750. 1165. GR 474.2 866. 474. 916. 474.1 926. 474.2 955. 474. 966. GR 472.8 1016. 472.6 1066. 472.2 1077, 466.9 1093. 467.5 1122. GR 468.0 1172. 468.7 1222. 468.7 1250. 462.6 1257. 460.6 1266. GR 462.3 1275, 469.4 1286. 467.7 1315. 467.4 1322. 466.3 1372. GR 466.3 1472. 466.3 1522, 465.9 1572, 465.9 1622. 466.8 1672. GR 466, 1722. 466.8 1772. 468.6 1822. 471.0 1872. 473.0 1922. 1 18AUG11 16:03:38 PAGE 3 GR 475. 1937. ET 7.1 2693. 3202. X1 8000. 35. 2817. 2848. 990. 1060. 1335. GR 479.3 1990. 478.4 2040. 478.3 2090. 477.5 2140. 477.1 2190. GR 477. 2240. 476.7 2290. 476.6 2340, 476.4 2440. 476.2 2490, GR 475.9 2540. 476.8 2547. 474.8 2558. 474.5 2590, 474.4 2640. GR 474.3 2656. 472.6 2690. 470.1 2700. 472.1 2800. 472.3 2817. GR 465.3 2829. 463.9 2840. 472.2 2848. 471.3 2900. 469.8 3000, GR 468.1 3100. 468.7 3200. 469.8 3300. 471.5 3340. 474.4 3400. GR 479.4 3500. 480.6 3534. 481.5 3600. 480.5 3700, 477.7 3800. QT 9 4200 5900 6700 8600 6700 6700 6700 6700 6700 ET 7.1 1268 1497 X1 9430 25 1268 1426 1340 1250 1430 GR 498.5 841 496.1 891 494.3 941 488.0 991 482.8 1012 GR 483.2 1031 483.2 1039 482.8 1060 481.8 1091 480.5 1141 GR 479.5 1171 474.7 1191 473.7 1200 477.3 1268 466.6 1291 GR 466.5 1306 478.1 1426 473.6 1440 474.3 1500 474.6 1600 GR 475.3 1700 481.3 1800 483.7 1900 487.1 2000 489.2 2100 NC 0.02 0.02 0.02 0.3 0.5 ET 7.1 1300 1382 X1 9494 29 1300 1382 64 64 64 BT 2 1301 481.6 480.4 1382 4E1.6 480.3 GR 489.4 1000 483.8 1100 482.0 1200 481.8 1207 481.6 1300 GR 480.4 1301 478.8 1302 474.3 1307 473.9 1314 468.8 1322 GR 467.9 1325 480.4 1325 480.4 1327 467.9 1327 467.8 1356 GR 480.4 1356 480.4 1358 471.3 1358 472.7 1366 478.7 1380 GR 480.3 1382 481.6 1382 481.5 1400 481.2 1500 481.4 1600 GR 482.6 1700 484.3 1800 486.4 1900 492.1 2000 ET 7.1 1300 1382 X1 9526 32 32 32 X2 1 NC 16 .07 .05 l ET 7.1 2r" 16CC X1 9590 15 1268 1426 64 64 C:: GR 488.4 1000 481.3 1100 473.7 120': 477.1 12C 466.6 _291 GR 466.5 1306 478.1 .'.426 473.6 1440 474. 15J0 474.6 1600 GR 475.3 1700 481.3 1800 483.7 1900 487.1 2000 489.2 2100 NC .06 .075 .05 .1 .3 ET 20u.2 X1 10120 15 1180 1273 530 510 530 GR 490.00 850 482.42 1000, 482.38 1047 481.3 1070 480.43 1110 GR 479.78 1146 479.47 1180 477.01 1188 469.78 1207 468.53 1217 GR 478.15 1231 481.03 1273 481.22 1295 486.94 1348 490.83 1385 1 18AUG11 16:03:38 PAGE 4 ET 200.2 X1 10120 15 1180 1273 10 10 10 GR 490.00 850 482.42 1000. 482.38 1047 481.32 1070 480.43 1110 GR 479.78 1146 479.47 1180 477.01 1188 469.78 1207 468.53 1217 GR 478.15 1231 481.03 1273 481.22 1295 486.94 1348 490.83 1385 ET 200.2 X1 10210 19 1180 1231 80 90 80 GR 490.0 850 483.42 1000, 483.38 1047 482.32 1070 481.43 1110 GR 480.78 1146 480.47 1180 478.26 1188 468.66 1197 468.86 1205 GR 469.30 1211 477.72 1222 480.05 1227 480.18 1231 479.48 1250 GR 479.07 1294 481.77 1336 483.38 1360 489.38 1378 NC 0.055 ET 200.2 X1 10470 19 1202 1284 350 180 260 GR 497.35 1000 494.23 1035 491.02 1089 490.35 1115 488.34 1126 GR 483.27 1169 482.07 1187 481.29 1202 469.31 1214 469.57 1227 GR 473.51 1238 478.42 1252 480.77 1284 480.14 1304 480.91 1322 GR 480.41 1363 481.01 1399 486.75 1414 489.75 1423 ET 180.2 X1 10655 16 1168 1231 150 180 185 GR 486.96 1000 486.12 1019 486.09 1039 482.21 1076 481.34 1106 GR 480.61 1142 481.27 1168 478.22 1186 471.32 1204 470.63 1219 GR 482.03 1231 481.10 1256 481.99 1306 484.58 1320 485.54 1325 GR 490.54 1340 ET 180.2 X1 10830 16 1200 1262 130 185 175 GR 489.22 1000 486.96 1040 485.40 1080 484.16 1100 483.17 1123 GR 482.13 1162 482.23 1200 480.47 1220 471.18 1228 471.97 1234 GR 473.19 1247 481.91 1262 482.04 1286 484.76 1352 485.93 1371 GR 490.56 1385 ET 200.2 X1 11030 19 1217 1287 150 210 200 GR 490.0 965 486.46 1000 483.05 1065 482.05 1114 481.53 1156 GR 481.51 1192 481.58 1217 479.11 1224 474.21 1232 472.80 1242 GR 471.51 1243 471.01 1254 475.11 1257 477.21 1263 484.83 1271 GR 486.51 1287 487.01 1301 492.51 1359 500.30 1448 ET 7.1 134- 1615 X1 11230 13 1480 1550 190 29C 2E' GR 500 1000 498 1040 492 1120 4S' 125C 4F2 1290 GR 480 1480 472.5 1500 480 1550 4P 157C 490 1655 GR 492 1685 494 1710 500 18GJ 1 18AUG11 16:03:38 PAGE 5 NC 0.075 QT 9 3600 5100 5700 7300 5700 5700 5700 5700 5700 X1 11380 21 1284 1390 150 150 150 GR 492.0 1000 488.70 1055 485.87 1115 484.20 1165 483.46 1210 GR 483.23 1248 484.50 1266 484.46 1284 482.74 1303 479.55 1327 GR 473.10 1336 471.80 1344 472.07 1351 482.89 1359 483.55 1371 GR 484.56 1390 484.79 1420 486.92 1469 488.70 1496 489.97 1529 GR 490.85 1544 X1 11880 17 1222 1306 440 480 500 GR 493.43 1000 489.50 1080 486.53 1141 485.74 1196 484.97 1222 GR 476.26 1233 471.78 1236 473.72 1245 476.26 1251 480.04 1263 GR 483.97 1275 484.46 1287 485.44 1306 485.13 1340 486.71 1355 GR 489.57 1379 492.86 1411 X1 12420 21 1157 1246 430 490 540 GR 495.90 1000 498.57 1026 495.59 1046 491.08 1068 489.64 1092 GR 487.42 1123 487.11 1147 488.86 1157 487.21 1164 482.56 1173 GR 482.53 1183 477.92 1193 477.16 1201 474.83 1206 474.52 1210 GR 475.34 1215 487.04 1228 488.55 1246 489.06 1309 492.51 1356 GR 493.74 1365 ET 7.1 1373 1537 X1 12540 15 1458 1538 160 80 120 GR 504.4 1000 500.7 1100 497.0 1200 495.8 1296 488.0 1317 GR 487.9 1400 485.4 1458 474.9 1475 475.3 1485 480.4 1493 GR 489.6 1538 490.0 1600 492.9 1700 497.1 1800 504.3 1900 NC 0.02 0.02 0.02 0.3 0.5 ET 79.2 X1 12585 29 1417 1522 45 45 45 BT 3 1417 492.5 491.6 1470 493.0 491.6 1522 492.6 491.6 GR 504.4 1000 500.3 1100 496.5 1200 493.5 1300 492.3 1400 GR 492.5 1417 492.6 1428 491.5 1428 489.5 1428 480.7 1449 GR 479.6 1454 491.6 1454 491.6 1456 479.6 1456 478.9 1462 GR 474.7 1470 474.1 1484 491.6 1484 491.6 1486 477.0 1486 GR 489.4 1511 491.6 1511 492.7 1511 492.6 1522 491.7 1600 GR 493.5 1700 497.3 1800 502.6 1900 508.2 2000 ET 79.2 X1 12615 30 30 30 X2 1 NC .06 .07 .05 ET 7.1 1373 1538 X1 12675 15 1458 1538 60 60 60 GR 504.4 1000 500.7 1100 497.0 1200 495.8 1296 488.0 1317 GR 487.9 1400 485.4 1458 474.9 1475 475.3 1485 480.4 1493 �l GR 6 1538 490.0 1600 492.1 170'1 497.' 1800 X04.3 1900 1 18AUG11 16:03:38 PArR 6 NC .06 .075 .05 .1 .3 ET 7- 149 ": 17'.1 X1 14600 20 1676 1721 1825 1.575 1923 GR 516.9 1000 512.5 1100 508.5 1200 504. 13C7 490.0 1345 GR 499.0 1400 488.8 1500 490.8 1600 489.6 1676 487.0 1685 GR 486.4 1713 490.0 1721 495.0 1800 503.4 1900 507.8 1938 GR 505.6 1956 506.5 2000 513.3 2100 517.7 2135 519.2 2200 ET 7.1 1385 1575 X1 17970 14 1443 1499 1620 2450 3370 GR 510 1010 507 1135 504 1293 503 1443 502 1457 GR 499 1462 499 1468 499 1479 497 1481 502 1499 GR 504 1553 505 1578 510 1640 512 1673 NC .06 .06 .045 .2 .4 ET 7.1 1275 1425 X1 18085 13 1281 1437 115 115 115 GR 513 1000 512 1140 510 1159 509 1191 504 1281 GR 503 1298 500 1312 495.4 1331 495.4 1390 500 1411 GR 503 1424 505 1437 510 1504 ET 7.1 1000 1150 X1 18125 12 1000 1150 40 40 40 GR 513 724 512 875 510 898 505 986 505 1000 GR 495.8 1038 495.8 1113 505 1150 505 1154 507 1162 GR 510 1204 512 1242 ET 7.1 1002 1147 X1 18670 12 1000 1150 525 565 545 GR 514 767 513 872 512 976 510 986 507.8 1000 GR 498.4 1038 498.4 1113 507.8 1150 510 1162 512 1168 GR 513 1239 514 1299 ET 145.2 X1 18786 27 1017 1191 116 116 116 BT 2 1017 517.2 512 1191 517.2 510.2 GR 512.3 1016 512 1017 505.1 1045 512.1 1045 512.1 1047 GR 504.5 1047 499 1069 499 1075 511.8 1075 511.8 1077 GR 499 1077 499 1106 511.5 1106 511.5 1108 499 1108 GR 499 1136 511.2 1136 511.2 1138 499 1138 499 1144 GR 504.5 1167 510.9 1167 510.9 1169 505.1 1169 510.2 1191 GR 510.2 1197 510.6 1197 ET 145.2 X1 18884 27 1017 1191 98 98 98 BT 2 1017 517.2 512.5 1191 517.2 510.7 GR 512.8 1016 512.5 1017 505.6 1045 512.3 1045 512.5 1047 GR 505 1047 499.5 1069 499.5 1075 512.3 1075 512.3 1077 GR 499.5 1077 499.5 1106 512 1106 512 1108 499.5 1108 GR 499.5 1136 511.7 1136 511.7 1138 499.5 1138 499.5 1144 GR 505 1167 511.4 1167 511.4 1169 505.6 1169 510.7 1191 GR 510.7 1197 511.5 1197 1 18e 16:03:38 ET 1002.E 1 a 85 Xi 18969 13 1000 1150 85 GR 515 788 514 882 513 GR 509.3 1000 499.9 1038 499.3 GR 512 1164 513 1213 515 ET 512.4 1150 515 1161 520 X1 19609 11 1000 1150 660 GR 520 730 517 863 515 GR 503 1038 503 1113 512.4 GR 525 1244 1226 1376 ET 50 1181 515 X1 19659 13 1246 1399 50 GR 520 1000 518 1062 516 GR 510 1263 503.3 1290 503.3 GR 515 1405 520 1438 525 ET 525 5700 5700 5700 5700 X1 19709 13 1226 1376 50 GR 520 1000 517 1098 516 GR 510 1252 503.6 1276 503.6 GR 515 1376 520 1411 525 NC .06 .075 .05 .1 .3 ET 513.8 1404 513 1416 515 X1 19759 11 958 1067 50 GR 520 728 517 827 515 GR 503.8 1010 513 1067 515 GR 530 1220 QT 9 3600 5100 5700 7300 ET X1 19794 15 1388 1565 35 GR 524 1038 518 1260 517 GR 510 1448 508 1463 503.9 GR 509 1491 514 1542 516 ET X1 19944 14 1377 1416 150 GR 525.4 1000 522.6 1100 520.9 GR 505.8 1395 505.6 1400 506.3 GR 517.8 1579 521 1600 533.7 ET X1 20069 12 1241 1278 180 GR 524 1000 520 1083 516 GR 505.8 1257 511 1278 514 GR 519 1457 525 1594 1 18AUG11 16:03:38 X1 20279 15 1340 1401 260 7.1 1002.E 1 a 85 943 512 986 510 1113 509.E 1150 510 1314 7.1 1007.5 114..E 620 640 982 514 995 512.4 1150 515 1161 520 125.2 50 50 1189 515 1241 514.2 1351 510 1382 514.2 1490 7.1 1226 1376 50 50 1181 515 1226 512 1310 509 1330 510 1461 7.1 958 1067 50 50 950 513 958 503.8 1086 520 1126 525 5700 5700 5700 5700 7.1 1400 1540 35 35 1290 516 1388 515 1473 503.9 1479 506 1565 518 1591 522 7.1 1303 1530 150 150 1200 516.3 1300 513.8 1404 513 1416 515 1690 533.9 1700 10.41 150 125 1162 514 1221 510 1329 515 1362 519 130 210 PAGE 7 993 llc.6 1000 1194 1246 1399 1240 1341 1000 1175 5700 1424 1487 1627 1377 1500 1241 1414 PAGE 8 GR -1 1000 519 1037 51' '_089 GR 510 1247 513 1262 51: 1340 GR 510 1385 514 1401 516 1418 X1 20479 13 1280 1324 75 140 GR 522 1000 518 1105 517 1166 GR 506.1 1291 508 1300 51n 1311 GR 517 1439 520 1466 525 1 "00 X1 20779 15 1383 1413 200 300 GR 521 971 520 1007 518 106E GR 515 1286 514.8 1320 514 1383 GR 510 1405 515 1413 520 1447 ET 7.1 X1 22510 23 1755 1779 1240 1180 GR 532.4 1000 523.3 1100 524.5 1200 GR 521.7 1500 521.2 1600 520.5 1700 GR 518.5 1755 511.8 1763 512.2 1774 GR 518.9 1883 521.6 2000 524.6 2,131 GR 533.4 2300 536.5 2400 538.4 2500 1 18AUG11 16:03:38 T1 COTTONWOOD BRANCH MASTER DRAINAGE PLAN T2 100 YEAR FREQUENCY FLOOD ENCROACHED CONDITIONS T3 CITY OF COPPELL, TEXAS (CBENC )12/26/89 J1 ICHECK INQ NINV IDIR STRT METRIC HVINS 0. 6. 0. 0. 0. 0. 0. 0 J2 NPROF IPLOT PRFVS XSECV XSECH FN ALLDC 15. 0. -1. 1 18AUG11 16:03:38 ++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++ HEC -2 WATER SURFACE PROFILES Version 4.6.2; May 1991 ++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++ 51' 1311 510 12'5 51' 1357 506 1366 52_ 1448 523 14'1 2u1` 51 128, 510 12F8 5 12 1324 514 143 300 517 1160 516 1243 510 1396 507 1400 523 1476 524 1496 1549 1862 1210 522.8 1300 521.8 1400 516.7 1726 516.7 1726 516.9 1779 519.1 1800 525.6 2100 530.2 2200 PAGE 9 Q WSEL FQ 464.39 IBW CHNIM ITRACE PAGE 10 THIS RUN EXECUTED 18AUG11 16:03:42 NOTE- ASTERISK ( *) AT LEFT OF CROSS - SECTION NUMBER INDICATES MESSAGE IN SUMMARY OF ERRORS LIST CITY OF COPPELL, TEXAS ( 1 18AUG11 16:03:38 PAGE 11 SUMMAI INTOUT TABLE 110 DIFKWS EG TOPWID QLOB QCH QROB PERENC STENCL STCHL STCHR SECNO CWSEL DIFKWS FG TOPWID QLOB Q-H QR06 PERENC STENCL STCHL STCHR STEN::R 32816.000 463.39 .00 463.69 491.46 2048 30 1-'3'.50 36C° 20 .0 .00 1157.00 1193.00 .00 32816.000 464.39 .00 464,56 503.12 2157.65 1273.94 3E6_.41 G0 .00 1157.00 1183.00 .00 32916.000 463.74 .00 463.96 542.06 2324 78 1461.73 351G.49 .V .00 1000.G0 1035.00 .00 32916.000 464.49 .75 464.79 356.00 3017.38 173,.96 2543.76 356.00 854.00 1000.00 1035.00 1210.00 33016.000 464.01 .00 464.18 586.55 1807.42 1170.26 4322.32 .00 .00 1151.00 1183.00 .00 33016.000 464.72 .71 465.08 315.00 1983.27 1721.02 3595.71 315.00 1035.00 1152.00 1183.00 1350.00 33116.000 464.17 .00 464.40 518.05 2281.45 1622.71 3395.84 .00 .00 1152.00 1190.00 .00 33116.000 465.02 .85 465.36 325.00 2500.99 2027.93 2771.08 325.00 1025.00 1152.00 1190.00 1350.00 * 33560.000 465.34 .00 466.08 388.29 2755.84 2765.70 1778.46 .00 .00 1178.00 1210.00 .00 33560.000 466.21 .86 466.86 270.00 3048.78 2755.32 1495.91 270.00 1030.00 1178.00 1210.00 1300.00 * 34075.000 467.31 .00 467.53 592.65 2911.37 2062.02 2326.61 .00 .00 1188.00 1230.00 .00 * 34075.000 467.95 .64 468.26 346.00 2580.03 2488.41 2231.56 346.00 1063.00 1188.00 1230.00 1409.00 34472.000 467.98 .00 468.07 854.47 4190.32 674.20 2435.47 .00 .00 1405.00 1432.00 .00 34472.000 468.79 .81 468.93 509.00 3940.59 922.83 2436.59 509.00 1115.00 1405.00 1432.00 1624.00 34822.000 468.34 .00 468.48 857.32 661.28 169 ?.33 4939.39 .00 .00 1369.00 1425.00 .00 34822.000 469.21 .87 469.40 511.00 567.39 2053.45 4679.16 511.00 1289.00 1369.00 1425.00 1800.00 6710.000 470.03 .00 470.19 768.16 644.15 1120.76 5535.09 .00 .00 1250.00 1286.00 .00 6710.000 470.80 .77 470.97 587.00 981.37 1220.37 5098.27 587.00 1083.00 1250.00 1286.00 1670.00 8000.000 473.18 .00 473.37 696.22 489.17 931.00 5879.82 .00 .00 2817.00 2848.00 .00 8000.000 473.69 .51 473.93 509.00 734.78 1109.12 5456.10 509.00 2693.00 2817.00 2848.00 3202.00 9430.000 477,16 .00 477.48 534.85 291.19 4535.57 1873.24 .00 .00 1268.00 1426.00 .00 9430.000 478.05 .88 478.52 228.26 .00 5804.89 895.11 229.00 1268.00 1268.00 1426.00 1497.00 1 18AUG11 16:03:38 PAGE 11 SECNO CWSEL DIFKWS EG TOPWID QLOB QCH QROB PERENC STENCL STCHL STCHR STENCR * 9494.000 477.50 .00 480.84 69.76 .00 6700.00 .00 .00 .00 1300.00 1382.00 .00 * 9494.000 477.50 .00 480.84 69.76 .00 6700.00 .00 82.00 1300.00 1300.00 1382.00 1382.00 * 9526.000 479.41 .00 481.38 75.27 .00 6700.00 .00 .00 .00 1300.00 1382.00 .00 * 9526.000 479.41 .00 481.38 75.27 .00 6700.00 .00 82.00 1300.00 1300.00 1382.00 1382.00 * 9590.000 481.95 .00 481.99 736.54 957.06 3181.67 2561.27 .00 .00 1268.00 1426.00 .00 * 9590.000 481.90 -.05 481.99 332.00 .00 4542.94 2157.07 332.00 1268.00 1268.00 1426.00 1600.00 * 10120.000 481.85 .00 483.57 242.44 779.63 5887.24 33.13 .00 .00 1180.00 1273.00 .00 * 10120.000 481.69 -.16 483.75 172.86 526.15 6150.46 23.39 200.00 1126.50 1180,00 1273.00 1326.50 10120.000 482.68 .00 483.74 313.61 1154.45 5450.38 95.17 .00 .00 1180.00 1273.00 .00 10120.000 482.61 -.07 483.95 181.38 732.60 5871.32 96.09 200.00 1126.50 1180.00 1273.00 1326.50 1 10� X00 483.27 .00 484.34 309.03 710.03 452 ,^.. 1395.05 .00 .00 1180.00 1231.00 .00 10210.000 483.45 .18 484.63 200.00 737.84 473 -15 1230.00 200.00 1105.50 1180.00 1231.00 1305.50 * 10470.000 484.89 .00 485.36 253.92 225.44 4691.6) 178:.96 .00 .00 1202.00 1284.00 00 * 10470.000 485.16 .26 485.79 190.00 230 96 5364.27 104. 77 200.00 1143.00 1202.00 1284.00 1343.00 10655.000 485.33 .00 485.87 277.63 1387.23 4239.67 1073.10 .00 .00 1168.00 1231.00 .00 10655.000 485.69 .36 486.35 180.00 1050.58 4705.57 943.85 180.00 1109.50 1168.00 1231.00 1289.50 10830.000 485.78 .00 486.57 298.19 1183.62 4556.69 959,69 .00 .00 1200.00 1262.00 .00 10830.000 486.21 .43 487.06 180.00 945.69 4787.01 967.30 180.00 1141.00 1200.00 1262.00 1321.00 11030.000 486.87 .00 487,25 301.08 3012.34 3686.88 .78 .00 .00 1217.00 1287.00 .00 11030.000 487.12 .25 487.90 150.13 1771.18 4924.46 4.36 200.00 1152.00 1217.00 1287.00 1352.00 * 11230.000 487.41 .00 487.55 432.17 3115.33 3048.09 536.57 .00 .00 1480.00 1550.00 .00 * 11230.000 488.13 .72 488.31 270.00 2509.30 3472.00 718.70 270.00 1345.00 1480.00 1550.00 1615.00 * 11380.000 487.47 .00 487.78 396.17 1579.88 3851.45 268.67 .00 .00 1284.00 1390.00 .00 * 11380.000 488.26 .79 488.47 425.05 1773.34 3568.05 358.61 .00 .00 1284.00 1390.00 .00 11880.000 488.67 .00 489.24 274.39 719.85 4570.10 410.05 .00 .00 1222.00 1306.00 .00 11880.000 489.02 .35 489.50 284.47 810.87 4441.66 447.46 .00 .00 1222.00 1306.00 .00 12420.000 490.44 .00 491,11 249.16 452.48 5064.43 183.09 .00 .00 1157.00 1246.00 .00 12420.000 490.53 .09 491.18 251.86 469.00 5034.61 196.39 .00 .00 1157.00 1246.00 .00 12540.000 491.08 .00 491.48 328.71 1451.47 4149.95 98.58 .00 .00 1458.00 1538.00 .00 12540.000 491.02 -.06 491.57 164,00 1093.79 4606.21 .00 164.00 1373.00 1458.00 1538.00 1537.00 * 12585.000 490.94 .00 491.76 79.00 .00 5700.00 .00 .00 .00 1417.00 1522.00 .00 * 12585.000 490.95 .01 491.78 75.00 .00 5700.00 .00 79.00 1430.00 1417.00 1522.00 1509.00 12615.000 490.97 ,00 491.79 79.00 .00 5700.00 .00 .00 .00 1417.00 1522.00 .00 12615.000 490.99 .01 491.81 75.00 .00 5700.00 .00 79.00 1430.00 1417.00 1522.00 1509.00 18AUG11 16:03:38 PAGE 12 SECNO CWSEL DIFKWS EG TOPWID QLOB QCH QROB PERENC STENCL STCHL STCHR STENCR 12675.000 491.71 .00 492.01 351.94 1592.44 3918.77 188.79 .00 .00 1458.00 1538.00 .00 * 12675.000 491.55 -.16 492.01 165.00 1199.04 4500.96 .00 165.00 1373.00 1458.00 1538.00 1538.00 14600.000 495.05 ,00 495.27 407.73 3580.77 1785.55 333.68 .00 .00 1676.00 1721.00 .00 14600.000 495.79 .74 496.06 223.00 3735.74 1964.25 .00 223.00 1498.00 1676.00 1721.00 1721.00 * 17970.000 505.62 .00 506.76 378.17 1719.55 3274.96 705.49 .00 .00 1443.00 1499.00 .00 * 17970.000 506.14 .51 507.56 190.00 984.83 3755.90 959.27 190.00 1385.00 1443.00 1499.00 1575.00 * 18085.000 506.94 .00 507.23 234.90 80.18 5600.14 19.68 .00 .00 1281.00 1437,00 .00 * 18085.000 507.77 .83 508.03 150.00 26.44 5673.56 .00 150.00 1275.00 1281.00 1437.00 1425.00 18125.000 506.99 .00 507.27 211.08 58.89 5625.92 15.19 .00 .00 1000.00 1150.00 .00 18125.000 507.83 .84 508.07 150.00 .00 5700.00 .00 150.00 1000.00 1000.00 1150.00 1150.00 * 18670.000 507.60 .00 508.08 148.40 .00 5700.00 .00 .00 .00 1000.00 1150.00 .00 * 18670.000 508.29 .70 508.69 145.00 .00 5700.00 .00 145.00 1002.00 1000.00 1150.00 1147.00 1 1 SUMMARY OF ERRORS AND SPECIAL NOTES WARNING SECNO= 33560.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE * 187b,,.000 507.89 .00 506.48 137.35 .00 5700.00 00 .00 .00 1017.00 1191.00 .00 * 18786.000 508.50 .61 509.00 135.00 .00 570(' .00 .0D 145. ()0 1031.50 1017.00 1191.00 1176.50 18884.000 508.35 .00 5(,3.95 137.03 .00 5700 00 00 .00 .00 1017.00 1191.00 .00 18884.000 508.86 .51 509.38 134.73 .00 570C. ^0 .00 145.CC 1031.50 1017.00 1191.00 1176.50 18969.000 508.72 .00 509.25 145.37 �0 5700.00 .00 .01 .00 1000.00 11710,00 .00 18969.000 509.16 .44 509.63 145.00 .00 5701.60 .00 145.00 1002.50 1000.00 1150.00 147.50 19609.000 510.66 .00 511.44 136.15 .00 5700.00 .00 .00 .00 1000.00 1150.00 .00 19609.000 510.79 .13 511.53 135.00 .00 5700.00 .00 135.00 1007.50 1000.00 1150.00 1142.50 19659.000 510.76 .00 511.80 125.16 .00 770C.00 .00 .00 .00 1246.00 1399.00 .00 19659.000 510.88 .12 511.88 125.00 .00 S700.00 .00 125.00 1260.00 1246.00 1399.00 1385.00 * 19709.000 510.94 .00 513.29 101.26 .00 5700.00 .00 .00 .00 1226.00 1376.00 .00 * 19709.000 510.98 .04 513.29 101.76 .00 5700.00 .00 150.00 1226.00 1226.00 1376.00 1376.00 * 19759.000 512.22 .00 514.55 100.65 .00 5700.00 .00 .00 .00 958.00 1067.00 .00 * 19759,000 512.22 .00 514.55 100.62 .00 5700.00 .00 109.00 958.00 958.00 1067.00 1067.00 * 19794.000 513.98 .00 516.19 112.93 .00 5700.00 .00 .00 .00 1388.00 1565.00 .00 * 19794.000 513.93 -.05 516.19 110.87 .00 5700.00 .00 140.00 1400.00 1388.00 1565.00 1540.00 * 19944.000 517.13 .00 518.61 278.27 666.05 3769.78 1264.17 .00 .00 1377.00 1416.00 .00 * 19944.000 517.05 -.09 518.63 227.00 628.11 3833.57 1238.32 227.00 1303.00 1377.00 1416.00 1530.00 * 20069.000 518.90 .00 519.31 308.01 1398.46 2706.88 1594.66 .00 .00 1241.00 1278.00 .00 * 20069.000 518.76 -.14 519.52 133.02 1086.97 3311.85 1301.17 .23 1197.13 1241.00 1278.00 1330.15 * 20279.000 519.48 .00 519.57 410.71 3770.53 1806.37 123.09 .00 .00 1340.00 1401.00 .00 * 20279.000 519.77 .29 519.91 228.92 3616.09 2083.91 .00 .20 1172.08 1340.00 1401.00 1401.00 18AUG11 16:03:38 PAGE 13 SECNO CWSEL DIFKWS EG TOPWID QLOE QCH QROB PERENC STENCL STCHL STCHR STENCR * 20479.000 519.47 .00 519.77 395.01 1263.51 2484.38 1952.11 .00 .00 1280.00 1324.00 .00 * 20479.000 519.72 .24 520.20 187.19 1018.87 3042.77 1638.37 .25 1202.68 1280.00 1324.00 1389.87 20779.000 520.09 .00 520.32 443.96 4026.62 1518.85 154.53 .00 .00 1383.00 1413.00 .00 20779.000 520.60 .51 520.97 197.02 3944.22 1755.77 .00 .28 1215.98 1383.00 1413.00 1413.00 22510.000 523.14 .00 523.37 736.22 2246.71 1455.93 1997.35 .00 .00 1755.00 1779.00 .00 22510.000 524.14 1.00 524.45 313.00 2688.10 1666.39 1345.51 313.00 1549.00 1755.00 1779.00 1862.00 18AUG11 16:03:38 PAGE 14 SUMMARY OF ERRORS AND SPECIAL NOTES WARNING SECNO= 33560.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE r WARNIN 2CNO= 34075.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE AC,rr.,BLE F .4GF WARNING SECNO= 34075.000 PROFILE= 2 CONVEYANCE CHAY-E OUTSIDE ACCEPTABLE RA,'GvE CAUTION SECNO= 9494.000 CAUTION SECNO= 9494.000 CAUTION SECNO= 9494.000 CAUTION SECNO= 9494.000 CAUTION SECNO= 9494.000 CAUTION SECNO= 9494.000 WARNING SECNO= 9526.000 WARNING SECNO= 9526.000 WARNING SECNO= 9590.000 WARNING SECNO= 9590.000 PROFILE= 1 CRITICAL DEPTH = SSUMED PROFILE= 1 PROBABLE MINIML:_ SPECIFIC ENERGY PROFILE= 1 20 TRIALS ATTENi?TED TO BALANCE; WSEL PROFILE= 2 CRITICAL DEPTH ASSUMED PROFILE= 2 PROBABLE MINIMU. SPECIFIC ENERGY PROFILE= 2 20 TRIALS ATTEMPTED TO BALANCE WSEL PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CAUTION SECNO= 10120.000 PROFILE= 1 CRITICAL DEPTH ASSUMED CAUTION SECNO= 10120.000 PROFILE= 1 PROBABLE MINIMUM SPECIFIC ENERGY CAUTION SECNO= 10120.000 PROFILE= 1 20 TRIALS ATTEMPTED TO BALANCE WSEL CAUTION SECNO= 10120.000 PROFILE= 2 CRITICAL DEPTH ASSUMED CAUTION SECNO= 10120.000 PROFILE= 2 PROBABLE MINIMUM SPECIFIC ENERGY CAUTION SECNO= 10120.000 PROFILE= 2 20 TRIALS ATTEMPTED TO BALANCE WSEL WARNING SECNO= 10470.000 WARNING SECNO= 10470.000 WARNING SECNO= 11230.000 WARNING SECNO= 11230.000 WARNING SECNO= 11380.000 WARNING SECNO= 11380.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 12585.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 12585.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 12675.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE CAUTION SECNO= 17970.000 PROFILE= 1 CRITICAL DEPTH ASSUMED CAUTION SECNO= 17970.000 PROFILE= 1 MINIMUM SPECIFIC ENERGY WARNING SECNO= 17970.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18085.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18085.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18670.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18670.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18786.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 18786.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 1 18AUG11 16:03:38 PAGE 15 CAUTION SECNO= 19709.000 PROFILE= 1 CRITICAL DEPTH ASSUMED CAUTION SECNO= 19709.000 PROFILE= 1 PROBABLE MINIMUM SPECIFIC ENERGY CAUTION SECNO= 19709.000 PROFILE= 1 20 TRIALS ATTEMPTED TO BALANCE WSEL CAUTION SECNO= 19709.000 PROFILE= 2 CRITICAL DEPTH ASSUMED f CAUTIC, 2CNO= 19709.000 PROFILE= 2 PROBABLE MINIML71 SPDCIFIC ENEF._ CAUTION SECNO= 19709.000 PROFILE= 2 20 TRIALS ATTEMPTED TO BALAN'!_- "4SEL CAUTION SECNO= 19759.000 CAUTION SECNO= 19759.000 CAUTION SECNO= 19759.000 CAUTION SECNO= 19759.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19794.000 CAUTION SECNO= 19944.000 CAUTION SECNO= 19944.000 WARNING SECNO= 19944.000 WARNING SECNO= 20069.000 WARNING SECNO= 20069.000 WARNING SECNO= 20279.000 WARNING SECNO= 20279.000 11 PROFILE= 1 CRITICAL DEPTH �.SSUMED PROFILE= 1 MINIMUM SPECIFI." ENERGY PROFILE= 2 CRITICAL DEPTH .,FSUI;ED PROFILE= 2 MINIMUM SPECIFI.- ENERGY PROFILE= 1 CRITICAL DEPTH AFSUP?ED PROFILE= 1 PROBABLE MINIMUM SPECIFIC ENERGY PROFILE= 1 20 TRIALS ATTEMPTED TO BALANCE WSEL PROFILE= 2 CRITICAL DEPTH ASSUMED PROFILE= 2 PROBABLE MINIMUM SPECIFIC ENERGY PROFILE= 2 20 TRIALS ATTEMPTED TO BALANCE WSEL PROFILE= 1 CRITICAL DEPTH ASSUMED PROFILE= 1 MINIMUM SPECIFIC ENERGY PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 20479.000 PROFILE= 1 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE WARNING SECNO= 20479.000 PROFILE= 2 CONVEYANCE CHANGE OUTSIDE ACCEPTABLE RANGE 18AUG11 16:03:38 PAGE 16 FLOODWAY DATA, CITY OF COPPELL, TEXAS PROFILE NO. 2 - - - - - -- FLOODWAY - - - - - -- WATER SURFACE ELEVATION STATION WIDTH SECTION MEAN WITH WITHOUT DIFFLRENCE AREA VELOCITY FLOODWAY FLOODWAY 32816.000 503. 2358. 3.1 464.4 463.4 1.0 32916.000 356. 1780. 4.1 464.5 463.7 .8 33016.000 315. 1591. 4.6 464.7 464.0 .7 33116.000 325. 1675. 4.4 465.1 464.2 .9 33560.000 270. 1315. 5.6 466.2 465.3 .9 34075.000 346. 1841. 4.0 467.9 467.3 .6 34472.000 509. 2467. 3.0 468.8 468.0 .8 34822.000 511. 2338. 3.1 469.2 468.3 .9 6710.000 587, 2371. 3.1 470.8 470.0 .8 8000.000 509. 1934. 3.8 473.7 473.2 .5 9430.000 229. 1267. 5.3 478.1 477.2 .9 9494.000 74. 457. 14.7 477.5 477.5 .0 9526.000 79. 596. 11.2 479.4 479.4 .0 9590.000 332. 2916. 2.3 481.8 481.9 -.1 10120.000 173. 633. 10.6 481.7 481.9 -.2 10120.000 181. 796. 8.4 482.6 482.7 -.1 10210.000 200. 962. 7.0 483.5 483.3 .2 1047 190. 1160. 5.8 485.2 48•'.9 .3 10655 J 180. 1161. 5.8 485.7 485.3 .4 10830.000 180. 1029. 6.5 486.2 485.8 .4 11030.000 150. 1004. 6.7 487.1 486.9 .2 11230.000 270. 2156. 3.1 488.1 487.4 .7 11380.000 425. 1829. 3.1 488.3 487.5 .8 11880.000 284. 1231. 4.6 489.0 483.7 .3 12420.000 252. 1036. 5.5 490.5 499 4 .1 12540.000 164. 1056. 5.4 491.0 491.1 -.i 12585.000 79. 778. 7.3 490.9 496.9 .0 12615.000 79. 781. 7.3 491.0 491.0 .0 12675.000 165. 1146. 5.0 491.5 491.7 -.2 14600.000 223. 1411. 4.0 495.8 495.1 .7 17970.000 190. 713. 8.0 506.1 505.6 .5 18085.000 150. 1401. 4.1 507.7 506.9 .8 18125.000 150. 1460. 3.9 507.8 507.0 .8 18670.000 145. 1128. 5.1 508.3 507.6 .7 18786.000 145. 1002. 5.7 508.5 507.9 .6 18884.000 145. 983. 5.8 508.9 508.4 .5 18969.000 145. 1036. 5.5 509.1 508.7 .4 19609.000 135. 826. 6.9 510.8 510.7 .1 19659.000 125. 710. 8.0 510.9 510.8 .1 19709.000 102. 468. 12.2 510.9 510.9 .0 19759.000 101. 466. 12.2 512.2 512.2 .0 19794.000 111. 473. 12.1 513.9 514.0 -.1 1 18AUG11 16:03:38 FLOODWAY DATA, CITY OF COPPELL, TEXAS PROFILE NO. 2 PAGE 17 - - - - - -- FLOODWAY - - - - - -- WATER SURFACE ELEVATION STATION WIDTH SECTION MEAN WITH WITHOUT DIFFERENCE AREA VELOCITY FLOODWAY FLOODWAY 19944.000 227. 773. 7.4 517.0 517.1 -.1 20069.000 133. 955. 6.0 518.8 518.9 -.1 20279.000 229. 1928. 3.0 519.8 519.5 .3 20479.000 187, 1204. 4.7 519.7 519.5 .2 20779.000 197. 1209. 4.7 520.6 520.1 .5 22510.000 313, 1506. 3.8 524.1 523.1 i.0 PAGE 17 LL LLI V cid W a LL. LL. W W Q V J a D in DUPLICATE EFFECTIVE MODEL (FLOODPLAIN AND FLOODWAY) DUPLICATE EFFECTIVE FP & FW c 0 a) n CLOMR -Sandy Lake &Freeport- Cottonwood . Plan: Duplicate Effective FP 3/20/2013 0 5000 10000 15000 I Main Channel Distance (ft) 1 in Horiz. = 3000 ft 1 in Vert. = 12 ft - F 20000 25000 Legend WS 100 -YR Crit 100 -YR Ground LOB .................... ROB Comparison of Effective WSEL vs. Duplicate Effective WSEL (100 -Year) # # # #) - Parenthetical notation indicates the river station used in the HEC -2 model, based on Denton Crk station NOTE: The differences in water surface elevations are attributed to changes necessary to execute HEC -2 models in HEC -RAS (namely reach lengths), as well as differences in the hydraulic computation engines between both platform, particularly at bridges and culverts. 22510 523.10 523.35 20779 520.10 520.32 20479 519.50 519.72 20279 519.50 519.71 20069 518.90 519.00 19944 517.10 517.21 19794 514.00 514.03 19759 512.20 512.21 19709 510.90 510.99 19659 510.80 510.77 19609 510.70 510.68 18969 508.70 508.76 18884 508.40 508.39 18835 Royal Lane 18786 507.90 507.94 18670 507.60 507.66 18125 507.00 507.07 18085 506.90 507.02 17970 505.60 505.75 14600 495.10 495.09 12675 491.70 491.76 12615 491.00 491.04 12600 Freeport Parkway 12585 490.90 491.00 12540 491.10 491.15 12420 490.40 490.51 11880 488.70 488.76 11380 487.50 487.59 11230 487.40 487.53 11030 486.90 486.98 10830 485.80 485.85 10655 485.30 485.43 10470 484.90 485.01 10210 483.30 483.39 10130 482.70 482.49 10120 481.90 481.83 9590 481.90 481.92 9526 479.40 479.33 9510 Sandy Lake Rd. 9494 477.50 477.52 9430 477.20 477.25 8000 473.20 473.28 6710 470.00 470.13 8 (34822) 468.30 468.35 7 (34472) 468.00 467.99 6 (34075) 467.30 467.26 5 (33560) 465.30 465.38 4 (33116) 464.20 464.73 3 (33016) 464.00 464.29 2 (32916) 463.70 464.22 1(32816) 463.40 464.39 # # # #) - Parenthetical notation indicates the river station used in the HEC -2 model, based on Denton Crk station NOTE: The differences in water surface elevations are attributed to changes necessary to execute HEC -2 models in HEC -RAS (namely reach lengths), as well as differences in the hydraulic computation engines between both platform, particularly at bridges and culverts. HEC -RAS Plar DEff -FP River: RIVER -1 Reach: Reach -1 Prof :e: 100 -YR Reach River Sta Q Total Min Ch El W.S. Elev Crit W.S. E.G. Elev (ft) (ft) E,G. Slope Vel Chnl Flow Area Top wa, Froude # Chl (cfs) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) Reach -1 1 7300.00 452.20 464.39 461.90 464.57 0.001560 5.13 2357.67 503.12 0.29 Reach -1 2 7300.00 452.20 464.22 464.91 0.000551 6.65 1098.05 117.80 0.38 Reach -1 3 7300.00 452.20 464.29 464.97 0.000540 6.60 1106.16 118.07 0.38 Reach -1 4 7300.00 452.50 464.73 465.07 0.001057 5.13 2008.28 510.69 0.28 Reach -1 5 7300.00 454.10 465.38 466.04 0.005106 9.29 1426.19 406.75 0.54 Reach -1 6 7300.00 455.60 467.26 467.52 0.001772 5.57 2183.32 555.97 0.33 Reach -1 7 7300.00 457.30 467.99 468.08 0.001014 3.69 3287.57 847.88 0.23 Reach -1 8 7300.00 458.20 468.35 468.50 0.001675 4.70 2769.51 857.82 0.32 Reach -1 6710 7300.00 460.60 470.13 470.29 0.002622 4.87 2504.94 770.61 0.34 Reach -1 8000 7300.00 463.90 473.28 473.47 0.003231 5.09 2267.48 700.52 0.36 Reach -1 9430 6700.00 466.50 477.25 477.56 0.002889 5.15 1802.37 539.82 0.37 Reach -1 9494 6700.00 467.80 477.52 477.52 480.841 0.005713 14.63 458.04 69.81 1.01 Reach -1 9510 Bridge Reach -1 9526 6700.00 467.801 479.33 477.51 481.33 0.002878 11.35 590.19 75.12 0.71 Reach -1 9590 6700.00 466.50 481.92 481.96 0.000220 2.05 4869.46 734.32 0.11 Reach -1 10120 6700.00, _ 468.53 481.83 481.83 483.62 0.015197 11.281 724.29 241.76 0.83 Reach -1 10130 6700.00'; 468.53 482.49 481.88 ! 483.79 0.009874 9.78 894.31 308.14 0.68 Reach -1 10210 67_00.00 468.66 484.47 9.83 1111.06 324.54 0.57 Reach -1 10470 6700.00 469.31 _ _483.39 485.01 _ 485.47 __0,006878______ 0.002377 6.11 1398.78 255.25 0.35 Reach -1 10655 6700.00 470.63 485.43 485.96 0.002886 6.90 1379.99 279.17 0.39 Reach -1 10830 6700.00 471.18 485.85 486.68 _ 0.0 904 99 8.43 1156.99 301.42 0.50 Reach -1 11030 6700.00 471.01 486.98 487.36 0.002550 6.011 1542.98 305.25 0.35 Reach -1 11230 6700.00 472.50 487.53 487.67 0.000732 3.97 2589.44 435.43 0.21 Reach -1 11380 5700.00 487.59 487.90 0.002359 5.13 1550.67 400.55 0.34 Reach -1 11880 5700.00 ______471.80 471.78 488.76 489.33 0.003325 6.63 1157.76 276.96 0.41 Reach -1 12420 5700.00 474.52. 490.51 491.18 0.003582 6.90 1030.15 251.20 0.42 Reach-1 12540 5700.00 474.90 491.15 491.54 0.002103 5.70 1376.07 331.02 0.33 Reach-1 12585 5700.00 474.10 491.00 491.81 j 0.000955 7.22 789.81 79.00 0.40 Reach-1 12600 Bridge Reach-1 12615 5700.00 474.10 491.04 485.61 491.84 0.000946 7.19 792.55 ! 79.00 0.40 Reach -1 12675 5700.00, _ 474.90 491.76 492.06 0.001518 5.06 1585.82 353.79 0.29 Reach -1 14600 57_00.00 486.40 495.09 495.31 0.002009 5.14 1759.56 408.94 0.32 Reach -1 17970 5700.00' 497.00 495.40 505.75 505.75 506.85 0.013301 10.53 914.23 386.19 0.78 Reach -1 18085 5700.00 507.02 507.30 0.001005 4.28 1415.53 237.37 0.26 Reach -1 18125 5700.00 495.80 507.07 _ 507.34 0.000878 4.18 1428.99 213.40 0.25 Reach -1 18670 5700.00 498.40 ! 507.66 508.13 0.002130 -- 5.50. - - 1036.32 148.87 - _0.37 Reach -1 18786 - - - - -' - - -- 5700.0011 - __ 499.00 507.94 - - - - �- -- - -- 508.52 0..004629 -_I 6.13 929.24 - 137.78 0.42 urn MAC 01 nCfF_GD Divor• RIVER -1 Roarh• Raarh -1 Prnfne• inn -YR (Cr Reach River Sta Q Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area `j op Widb. Frouoe # Chi (cfs) (ft) (ft) (ft) (rt) (ft/ft) (ft/s) (sq ft) (ft) Reach -1 18835 Bridge Reach -1 18884 5700.00 499.50 508.39 504.82 508.99 0.004711 6.18 922.81 137.39 0.42 Reach -1 18969 5700.00 499.90 508.76 509.28 0.002517 5.83 977.11 145.66 0.40 Reach -1 19609 5700.00 503.00 510.68 511.44 0.004280 7.03 810.91 136.25 0.51 Reach -1 19659 5700.00 503.30 510.77 511.81 0.006323 8.17 697.38 125.26 0.61 Reach -1 19709 5700.00 503.60 510.99 510.99 513.29 0.018177 12.17 468.35 101.87 1.00 Reach -1 19759 5700.00 503.80 512.21 512.21 514.55 0.022561 12.26 464.87 100.52 1.00 Reach -1 19794 5700.00 503.90 514.03 514.03 516.19 0.023503 11.77 484.29 113.76 1.01 Reach -1 19944 5700.00 505.60 517.21 517.21 518.73 0.010361 11.78 840.70 282.16 0.72 Reach -1 20069 5700.00 505.80 519.00 519.51 0.002772 7.50 1450.09 354.37 0.40 Reach -1 20279 5700.00 506.00 519.71 519.81 0.000612 3.27 2552.50 416.40 0.19 Reach -1 20479 5700.00 506.10 519.72 520.00 0.001989 5.80 1750.69 403.47 0.32 Reach -1 120779 5700.001 507.001 520.32 520.54 0.002228 5.69 1794.82 454.41 0.33 Reach -1 22510 5700.00 511.80 523.35 523.57 0.002792 6.43 2086.98 750.11 0.36 .• .11-D 1 F- Dc 4 Reach River Sta W.S. Elev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Enc Sta L Ch Sta L Ch Sta R Enc Sta R (ft) (ft) (ft) (ft) (cfs) (cfs) (cfs) (ft) (ft) (ft) (ft) Reach -1 1 461.90 462.95 466.74 1914.60 2362.08 3023.32 1157.00 1183.00 Reach -1 1 461.96 0.06 463.05 376.50 1975.96 2367.81 2956.22 963.50 1157.00 1183.00 1376.50 t 2 462.13 463.25 109.48 7300.00 1103.00 1232.00 1_t 2 462.16 0.03 463.42 95.12 7300.00 854.00 1103.00 1232.00 1210.00 F. I 3 462.29 463.37 110.14 7300.00 1103.00 1232.00 Reach -1 3 462.62 0.33 463.61 111.43 7300.00 1035.00 1103.00 1232.00 1350.00 Reach -1 4 462.81 463.56 30192 232.09 6919.46 148.45 1122.00 1233.00 Reach -1 4 463.11 0.31 463.78 270.56 259.36 6801.75 238.89 1025.00 1122.00 1233.00 1350.00 Reach -1 5 464.61 465.81 387.74 2313.83 3238.80 1747.38 1178.00 1210.00 Reach -1 5 464.63 0.02 466.03 270.00 2402.50 3388.14 1509.36 1030.00 1178.00 1210.00 1300.00 467.36 467.61 558.62 2431.12 2562.30 2306.58 1177.00 1230.00 6 467.65 0.29 467.95 346.00 2665.52 2765.96 1868.52 1063.00 1177.00 1230.00 1409.00 r6 1 7 468.05 468.14 858.09 4282.00 791.56 2226.44 1405.00 1432.00 7 468.48 0.43 468.65 509.00 3872.40 1108.04 2319.56 1115.00 1405.00 1432.00 1624.00 Reach -1 8 468.40 468.54 861.44 698.82 1772.16 4829.02 1369.00 1425.00 Reach -1 8 468.98 0.58 469.20 511.00 552.03 2146.50 4601.47 1289.00 1369.00 1425.00 1800.00 Reach -1 6710 470.13 470.29 770.68 666.52 1135.52 5497.96 1250.00 1286.00 Reach -1 6710 470.79 0.66 470.96 587.00 972.11 123630 5091.19 1083.00 1250.00 1286.00 1670.00 Reach -1 8000 473.28 473.47 700.49 509.89 973.79 5816.31 2817.00 2848.00 Reach-1 8000 473.76 0.48 474.00 509.00 769.79 1143.57 5386.64 2693.00 2817.00 2848.00 3202.00 h_1 9430 477.25 477.56 539.84 295.63 4537.16 1867.22 268.00 1426.00 h -1 �Re. 9430 478.11 0.86 478.58 229.00 5811.75 888.25 1268.00 1268.00 1426.00 1497.00 Reach -1 9494 477.55 480.84 69.92 6700.00 1300.00 1382.00 Reach -1 9494 477.55 0.00 480.84 69.92 6700.00 1300.00 1300.00 1382.00 1382.00 -1 9510 BR D 478.97 481.17 74.45 6700.00 1300.00 1382.00 i 4 9510 BIRD 478.97 0.00 481.17 74.45 6700.00 1300.00 1300.00 1382.00 1382.00 Reo , -1 9510 BR U 479.30 481.32 75.07 6700.00 1300.00 1382.00 Reach -1 9510 BR U 479.30 0.00 481.32 75.07 6700.00 1300.00 1300.00 1382.00 1382.00 Reach -1 9526 479.31 481.32 75.08 6700.00 1300.00 1382.00 Reach -1 9526 479.31 0.00 481.32 75.08 6700.00 1300.00 1300.00 1382.00 1382.00 Reach -1 9590 481.91 481.95 733.86 941.59 3308.21 2450.20 1268.00 1426.00 Reach -1 9590 481.86 - 0.05 481.95 332.00 4552.50 2147.50 1268.00 1268.00 1426.00 1600.00 Reach -1 10120 481.82 483.62 241.50 700.29 5969.46 3025 1180.00 1273.00 Reach -1 10120 481.72 -0.10 483.75 173.12 529.61 6146.06 24.33 1126.50 1180.00 1273.00 1326.50 Reach -1 10130 482.49 483.79 308.04 847.15 5774.06 78.79 __ 1180.00 1273.00 Reach -1 10130 482.58 0.10 483.94 181.12 723.18 5888.26 - 88.56 1126.50 1180.00 1273.00 7326.50 10210 483.39 484.47 324.65 736.17 4608.19 1355.64 1180.00 1231.00 10210 483.44 0.05 484.63 200.00 723.47 4755.49 1221.04 1105.50 1180.00 1231.00 1305.50 VReach-I 10470 485.01 485.47 255. 25 214.10 4689.77 1796.13 1202.00 1284.00 10470 485.17 0.15 485.81 190.11 263.89 5392.38 1043.73 1143.00 1202.00 1284.00 1343.00 Reach -1 10655 485.43 485.96 279.18 1351.91 4278.69 1069.40 1168.00 1231.00 Reach -1 10655 485.71 0.28 486_.37 180.00 1051.12 4702.30 946.59 1109.50 1168.00 1231.00 1289.50 Reach -1 10830 485.85 - 486.68 301.42 1115.11 4664.34 920.55 1200.00 1262.00 Reach -1 10830 486.22 0.37 48 180.00 945.98 4790.91 963.11 1141.00 1200.00 - 1262.00 1321.00 Reach -1 11030 486.98 -7.07 487.36 305.26 2929.36 3769.04 1.59 1217.00 1287.00 Reach -1 11030 487.12 0.14 487.91 150.18 1736.63 4959.01 4.36 1152.00 1217.00 1287.00 1352.00 11-1 11230 487.53 487.67 435.44 305214 3134.99 512.28 1480.00 1550.00 11230 488.14 -. - 0.62 - 488.33 270.00 2523.98 3487.85 688.17 1345.00 1480.00 1550.00 1615.00 Reach-1 11380 487.59 4.)-r�, 487. 90 400.55 1524.23 3910.20 265.57 1284.001 1390Reach -1 11380 488.25 488.51 296.00 1816.19 3826.44 57.37 1104.00 1284.00 1390.00 1400.00 Reach -1 Reach -1 11880 11880 488.76 489.11 - 0.35 _._- 489.33 489.69 - - 276.96 - 226.00 693.18 - 836.40 4613.37 4783.99 -. -__ 393.45 79.61 -- 1090.00 1222.00 - 1222.00 - - 1306.00; -- 0 1306.00 - 1316.00 1 - 1 1 - u- one op nL. nCR_C\ / pivnr DIVER -1 P.-h• P.arh -I (r:nnti-w11 Reach River Sta W.S. Elev Prof Delta WS E.G. Elev I Top Wdth Act Q Left Q Channel Q Right Enc Sta L Ch Sta L Ch Sta R Enc Sta R (ft) (ft) (ft) (ft) (cfs) (Cfs) (ds) (ft) (ft) (ft) (ft) Reach -i 112420 490.51 491.18 251.20 420.19 5093.52 186.29 1157.00 1246.00 Reach -1 12420 490.75 0.24 491.39 180.00 497.34 5113.60 89.06 1090.00 1157.00 1246.00 1270.00 -1 12540 491.15 491.54 331.02 1437.73 4162.90 99.38 1458.00 1538.00 Re 12540 491.25 0.10 491.76 164.00 1121.10 4578.90 1373.00 1458.00 1538.00 1537.00 Reach -1 12585 491.00 491.81 79.00 5700.00 1417.00 1522.00 Reach -1 12585 491.17 0.17 491.97 75.00 5700.00 1430.00 1417.00 1522.00 1509.00 Reach -1 12600 BR D 491.00 491.81 79 -00 5700.00 1417.00 1522.00 Reach -1 12600 BR D 491.17 0.17 491.97 75.00 5700.00 1430.00 1417.00 1522.00 1509.00 Reach -1 12600 BR U 491.04 491.84 79.00 5700.00 1417.00 1522.00 Reach -1 12600 BR U 491.20 0.17 492.00 75.00 5700.00 1430.00 1417.00 1522.00 1509.00 Reach -1 491.04 491.84 79.00 5700.00 1417.00 152200 Reach -1 491.20 0.17 492.00 75.00 5700.00 1430.00 141700 152200 1509.00 r12615 Reach -1 491.76 492.06 35379 1575.97 3940.90 183.14 1458.00 1538.00 Reach -1 491.75 -0.01 492.18 165.00 1215.27 4484.73 1373.00 1458.00 1538.00 1538.00 Reach -1 14600 495.09 495.31 408.94 3560.36 1800.33 339.31 1676.00 1721.00 Reach -1 14600 495.83 0.74 496.10 223.00 3719.40 1980.60 1498.00 1676.00 1721.00 1721.00 Reach -1 17970 505.75 506.85 386.19 1712.83 3308.50 678.67 1443.00 1499.00 Reach -1 17970 506.17 0.42 507.59 190.00 996.75 3767.84 935.42 1385.00 1443.00 1499.00 1575.00 Reach -1 18085 507.02 507.30 23737 84.61 5593.87 21.52 1281.00 1437.00 _ Reach -1 18085 507.80 0.78 508.06 150.00 26.59 5673.42 1275.00 1281.00 1437.00 1425.00 Reach -1 18125 507.07 507.34 213.40 58.88 5626.56 14.56 1000.00 1150.00 Reach -1 18125 507.86 0.79 508.09 150.00 5700.00 1000.00 1000.00 1150.00 1150.00 Reach-1 18670 507.66 508.13 148.87 5700.00 1000.00 1150.00 Reach -1 18670 508.32 0.66 508.71 145.00 5700.00 1002.00 1000.00 1150.00 1147.00 18786 507.94 508.52 137.78 5700.00 1017.00 1191.00 _J Re< 18786 508.52 0.58 509.02 135.00 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18835 BR D 507.95 508.53 137.82 5700.00 1017.00 1191.00 Reach -1 18835 BR D 508.52 0.58 509.02 135.00 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18835 BR U 508.39 508.98 137.34 5700.00 1017.00 1191.00 Reach -1 18835 BR U 508.87 0.48 509.39 134.77 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18884 508.39 508.99 137.39 5700.00 1017.00 1191.00 Reach -1 18884 508.87 0.48 509.39 134.79 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18969 508.76 509.28 145.66 5700.00 1000.00 1150.00 _ Reach -1 18969 509.17 0.41 509.64 145.00 5700.00 1002.50 1000.00 1150.00 1147.50 Reach -1 19609 510.68 511.44 136.25 5700.00 1000.00 1150.00 __ Reach -1 19609 510.80 0.12 511.54 135.00 5700.00 1007.50 1000.00 1150.00 1142.50 Reach -1 19659 510.77 511.81 125.26 5700.00 1246.00 1399.00 _ Reach -1 19659 510.88 0.11 511.88 125.00 5700.00 1260.00 1246.00 1399.00 1385.00 - Reach -1 19709 510.99 513.29 101.87 5700.00 1226.00 1376.00 Reach -1 19709 510.99 0.00 51329 101.87 _ 5700.00 1226.00 1226.00 1376.00 1376.00 Reach -1 19759 512.21 514.55 100.52 5700.00 958.00 1067.00 _ Reach -1 19759 512.21 0.00 514.55 100.52 _ 5700.00 _ 958.00 958.00 1067.00 1067.00 Reach -1 19794 514.03 516.19 113.76 5700.00 - 1388.00 1565.00 _ Reach -1 19794 513.99 -0.04 516.19 111.17 .- 5700.00 -. 1400.00 1388.00 1565.00 1540.00 Reach -1 19944 517.21 518.73 282.16 656.74 3849.12 1194.14 1377.00 1416.00 Roach -1 19944 517.14 -0.07 518.66 227.00 659.84 3811.10 1229.06 1303.00 1377.00 _ 1416.00 1530.00 20069 519.00 519.51 354.37 1358.79 3000.77 1340.45 1241.00 1278.00 -aCF Rea( 20069 518.76 -0.24 519.55 133.02 1059.72 3377.12 1263.17 1197.13 1241.00 1278.00 1330.15 Reach-1 20279 519.71 519.81 416.40 3643.78 1930.91 125.31 1340.00 1401.00 Reach -1 20279 519.81 0.09 519.95 228.92 3603.26 2096.74 1172.08 1340.00 1401.00 1401.00 Reach -1 20479 519.72 520.00 403.47 1283.81 2538.07 1878.121 1280.00 1324.00 HEC -RAS Plan: DupEtf -FVJ Rive: RIVER -1 Reach: Reach -1 (Continued) Reach River Sta W.S. Bev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Enc Sta L Ch Sta L Ch Sta R Enc Sta R (ft) (ft) (ft) (ft) (clf�) (cfs) (cfs) (ft) (ft) (ft) (ft) Reach -1 20479 519.76 0.04 520.24 187.19 1025.98 3035.40 1638.62 1202.68 1280.00 1324.00 1389.87 Reach -1 20779 520.32 520.54 454.41 3953.96 157721 168.84 1383.00 1413.00 rh -1 20779 520.63 0.31 521.00 197.02 3931.89 1766.11 1215.98 1383.00 1413.00 1413.00 1 2251 L 523.35 523.57 750.11 2119.24 1505.89 2074.88 1755.00 1779.00 1 275,10 524.21 0.86 524.52 313.00 2620.62 1702.05 1377.33 1549.00 1755.00 1779.00 1862.00 REVISED EXISTING MODEL (FLOODPLAIN) Z 1= ca a x W 0 W W w REVISED EXISTING FP & FW ip- C (D LU 520 500 480 460 CLOMR-Sandy Lake&Freeport-Cottonwoc Plan.- Revised Existing 3/20/2013 0 5000 10000 15000 Main Channel Distance (ft) 1 in Horiz. = 3000 ft 1 in Vert. = 12 ft 20000 25000 WS 500-YR Crit 500-YR WS 1 00-YR Crit 1 00-YR WS 50-YR Crit 50-YR WS 1 0-YR Crit 10-YR Ground ........................... LOB ................................... ROB HEC -RAS Ph^ Ex River: RIVER -1 Reach: Reach -1 1-11\ Reach ver Sta Profile Q Total Min Ch El W.S. Elev C ;. .. C °pw E.G. S9ope -�- (ft/ft) Vel Chnl (ft/s) Flow Area (sq ft) To 4'f� M Top Froude # C Ih (ft) (cfs) Reach -1 Reach -1 1 1 10 -YR 50 -YR 4500.00 6400.00 452.20 452.20 461.35 461.72 461.35 461.72 462.11 462.70 0.009848 0.012490 10.09 11.77 892.78 1062.83 449.23 461.19 0.68 0.77 Reach -1 Reach -1 1 1 100 -YR 500 -YR 7300.00 9400.00 452.20 452.20 461.96 466.80 461.96 462.33 462.94 466.92 0.012431 0.000685 12.00 3.94 1171.77 3580.45 468.69 508.00 0.781 0.20 I Reach -1 2 10 -YR 4500.00 452.20 461.88 462.33 0.000456 5.40 832.57 108.48 0.34 Reach -1 2 50 -YR 6400.00 452.20 462.07 462.94 0.000858 7.49 854.03 109.26 0.47 Reach -1 2 100 -YR 7300.00 452.20 462.15 463.27 0.001084 8.46 862.90 109.58 0.53 Reach -1 2 500-YR 9400.00 452.20 466.56 467.27 0.000485 6.79 1384.56 128.49 0.36'i Reach -1 3 10 -YR 4500.00 452.20 461.93 462.38 0.000447 5.37 838.35 108.69 0.34 Reach -1 3 50 -YR 6400.00 , 452.20 462.19 463.04 0.000823 7.38 866.89 109.73 0.46 Reach -1 3 100 -YR 7300.00 452.20 462.32 463.38 0.001023 8.29 880.90 110.23 0.52 Reach -1 3 500 -YR 9400.00 452.20 466.62' 467.32 0.000477 6.75 1392.00 128.61 0.36 Reach -1 Reach -1 4 4 10 -YR 50 -YR 4500.00 6400.00 452.50 452.50 �462.56 462.46 463.19 0.001391 0.002283' 4.88 6.48 1009.89 1119.50 205.90 269.94 0.30 0.39 Reach -1 Reach -1 4 4 100 -YR 500 -YR 7300.00 _ 9400.00 452.50 452.50 462.83 467.22 463.57 467.43 0.002628 0.000568 7.10 4.32 1196.29 3458.99 306.94 658.10 0.42 0.21 Reach -1 5 10 -YR 4500.00 454.10 463.78 463.78 464.80 0.008218 10.36 807.70 362.14 0.66 Reach -1 Reach -1 Reach-1 5 5 5 50 -YR 100 -YR 500 -YR 6400.00 7300.00 940�0.00� -- 4500.00 6400.00 7300.00 454.10 454.10 _ 454.10 464.39 464.61 467.56 _ 464.39 464.61 465.51 465.81 - - -- 467.90 0.009142 0.009733 0.002154 11.51 12.09 6.96 1033.88 1118.12 2381.15 382.05 387.74 482.33 0.71 0.74 0.36 0.30 0.31 0.32 Reach-1 Reach -1 Reach -1 6 6 6 10 -YR 50 -YR 100 -YR 455.601 455.60 -4----- 55.60 466.18 467.01 467.36 _ 466.37 467.24 467.61 0.001478 0.001619 0.001653 4.66 5.23 5.42 1607.69 2045.91 2240.16 512.43 549.53 558.61 Reach -1 6 500 -YR 9400.00 455.60 468.54 468.76 0.001328 5.28 2918.34 589.75 0.29 Reach -1 7 10 -YR 4500.00 457.30 466.84 466.91 0.001071 3.42 2332.71 793.73 0.23 Reach -1 7 50 -YR 6400.00 457.30 467.69 467.77 0.000992 3.56 3038.33 838.85 0.23 Reach -1 Reach -1 7 7 100 -YR 500 -YR 7300.00 9400.00 457.30 457.30 468.05 469.10 468.14 469.18 0.000982 0.000770 _ 3.65 3.51 3341.86 4249.04 858.09 875.78 0.23 0.21 1847.52 Reach -1 8 10 -YR 4500.00 458.20 467.23 467.38 0.001992 4.55 801.18 0.34 Reach -1 Reach -1 Reach -1 8 8 8 50 -YR 100-YR 500 -YR 6400.00 7300.00 9400.00 458.20 458.20 458.20 468.05 468.40 469.37 468.19 468.54 469.50 0.001682 0.001603 0.001252 4.57 4.62 4.46 2515.52 2813.30 3680.67 836.53 861.43 930.18 0.32 0.31 0.28 HEC -RAS Plan. Ex River: RIVER -1 Reach: Reach -1 (Continued) Reach :fiver Sta Profile Q Total Min Ch El W.S. Elev C S. C. u. Flev L.-d. Slope (ft/ft) Vel Chnl (ft/s) Flo_v Area (sq ft) T ap VWLi I? yFroude # Chl (ft) (cfs) (ft) (ft) (ft) (ft) Reach -1 6710 10 -YR 4500.00 460.60 469.22 469.35 0.002564 4.38 1817.68 745.77 0.33 Reach -1 6710 50 -YR 6400.00 460.60 469.85 469.99 0.002649 4.75 2287.19 763.84 0.34 Reach -1 6710 100 -YR 7300.00 460.60 470.13 470.29 0.002616 4.87 2506.96 770.68 0.34 Reach -1 6710 500 -YR 9400.00 460.60 470.80 470.98 0.002441 5.02 3030.36 786.71 0.33 Reach -1 8000 10 -YR 4500.00 463.90 472.37 472.51 0.003182 4.54 1643.47 667.03 0.35 Reach -1 8000 50 -YR 6400.00 463.90 473.01 473.18 0.003204 4.92 2080.91 689.60 0.36 Reach -1 8000 100 -YR 7300.00 463.90 473.28 473.47 0.003234 5.10 2266.91 700.49 0.36 Reach -1 8000 500 -YR 9400.00 463.90 473.84 474.06 0.003309 5.46 2667.32 723.37 0.37 Reach -1 9233 10 -YR 4200.00 467.00 476.40 476.66 0.004826 5.99 1162.62 421.95 0.43 Reach -1 9233 50 -YR 5900.00 467.00 477.06 477.37 0.004922 6.47 1452.78 449.32 0.44 Reach -1 9233 100 -YR 6700.00 467.00 477.35 477.68 0.004942 6.66 1582.44 461.04 0.44 Reach -1 9233 500 -YR 8600.00 467.00 477.96 478.34 0.004987 7.07 1869.43 474.51 0.45 Reach -1 9475 10 -YR 4200.00 467.23 477.31 477.60 0.002904 5.55 1233.61 391.88 0.37 Reach -1 9475 50 -YR 5900.00 467.23 478.05 478.40 0.003301 6.24 1535.95 422.82 0.40 Reach -1 9475 100 -YR 6700.00 467.23 478.37 478.75 0.003523 6.58 1673.84 452.31 0.41 Reach -1 9475 500 -YR 8600.00 467.23 479.04 479.48 0.003895 7.21 1998.58 514.87 0.44 Reach -1 9494 10 -YR 4200.00 467.28 476.64 478.36 0.002098 10.52 399.35 69.79 0.77 Reach -1 9494 50 -YR 5900.00 467.28 476.98 476.98 480.00 0.003480 13.95 422.93 70.51 1.00 Reach -1 9494 100 -YR 6700.00 467.28 477.54 477.54 480.79 0.003427 14.48 462.63 71.71 1.00 Reach -1 9494 500 -YR 8600.00 467.28 478.78 478.78 482.53 0.003308 15,53 553.62 74.49 1.00 Reach -1 9510 Bridge Reach -1 9526 10 -YR 4200.00 467.28 477.55 475.67 478.82 0.001339 9.06 463.46 71.74 0.63 Reach -1 9526 50 -YR 5900.00 467.28 479.19 476.98 480.77 0.001339 10.10 583.95 75.89 0.64 Reach -1 9526 100 -YR 6700.00 467.28 480.42 477.54 481.92 0.001124 9.85 680.06 80.15 0.60 Reach -1 9526 500 -YR 8600.00 467.28 483.53 478.78 484.18 0.000418 7.21 1837.02 669.49 0.38 Reach -1 9590 10 -YR 4200.00 467.40 478.21 478.21 479.36 0.009142 9.70 670.63 408.03 0.63 Reach -1 9590 50 -YR 5900.00 467.40 481.04 481.27 0.001812 5.37 1993.51 509.10 0.30 Reach -1 9590 100 -YR 6700.00 467.40 482.24 482.40 0.001106 4.53 2619.65 527.38 0.24 Reach -1 9590 500 -YR 8600.00 467.40 484.26 484.38 0.000669 3.93 3704.61 548.36 0.19 Reach -1 9890 10 -YR 4200.00 468.10 480.30 479.051 480.71 0.002910 6.36 1148.82 378.60 0.37 HEC -RAS Plan. Ex River: RIVER -1 Reach: Reach -1 (Continued) Reach iver Sta Profile Q Total Min Ch El W.S. Elev CI-- 3. E.G. Elev (ft) E.G. Slope Vel Chnl Flow Area Top 4Vl%. ... n „nYFroude # Chi (cfs) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) Reach -1 9890 50 -YR 5900.00 468.10 481.47 481.84 0.002522 6.42 1608.88 404.73 0.35 Reach -1 9890 100 -YR 6700.00 468.10 482.50 482.77 0.001764 5.72 2035.41 427.54 0.30 Reach -1 9890 500 -YR 8600.00 468.10 484.40 484.61 0.001131 5.09 2891.44 469.98 0.25 Reach -1 10120 10 -YR 4200.00 468.53 480.94 481.49 0.003181 6.54 905.26 288.43 0.40 Reach -1 10120 50 -YR 5900.00 468.53 482.02 482.61 0.003197 7.12 1239.87 330.02 0.41 Reach -1 10120 100 -YR 6700.00 468.53 482.87 483.37 0.002541 6.73 1529.30 350.36 0.37 Reach -1 10120 500 -YR 8600.00 468.53 484.64 485.01 0.001733 6.18 2182.88 387.30 0.31 Reach -1 10130 10 -YR 4200.00 468.53 480.99 481.52 0.003088 6.47 918.35 290.18 0.40 Reach -1 10130 50 -YR 5900.00 468.53 482.07 482.64 0.003114 7.05 1254.61 331.08 0.41 Reach -1 10130 100 -YR 6700.00 468.53 482.90 483.39 0.002499 6.68 1540.08 351.10 0.37 Reach -1 10130 500 -YR 8600.00 468.53 484.66 485.03 0.001717 6.16 2190.45 387.61 0.31 Reach -1 10210 10 -YR 4200.00 468.66 480.91 480.911 482.73 0.013758 11.28 471.40 183.88 0.77 Reach -1 10210 50 -YR 5900.00 468.66 482.23 482.23 483.89 0.011185 11.46 772.25 268.80 0.71 Reach -1 10210 100 -YR 6700.00 468.66 482.59 482.59 484.30 0.011328 11.87 872.63 284.15 0.72 Reach -1 10210 500 -YR 8600.00 468.66 484.50 485.43 0.005693 9.65 1525.31 387.98 0.53 Reach -1 10470 10 -YR 4200.00 469.31 483.61 483.93 0.002000 5.03 1050.28 239.63 0.31 Reach -1 10470 50 -YR 5900.00 469.31 484.65 485.06 0.002212 5.74 1307.58 251.26 0.34 Reach -1 10470 100 -YR 6700.00 469.31 485.07 485.52 0.002314 6.05 1412.77 255.86 0.35 Reach -1 10470 500 -YR 8600.00 469.31 485.84 486.40 0.002647 6.83 1614.29 264.45 0.38 Reach -1 10655 10 -YR 4200.00 470.63 483.95 484.38 0.002671 5.95 981.82 257.16 0.36 Reach -1 10655 50 -YR 5900.00 470.63 485.04 485.53 6.57 1271.62 273.39 0.38 Reach -1 10655 100 -YR 6700.00 470.63 485.48 _ 486.00 _0.002765 0.002821 6.84 1392.14 279.81 0.38 Reach -1 10655 500 -YR 8600.00 470.63 486,31 486.94 0.003178 7.66 1634.74 312.65 0.41 Reach -1 10830 - 1 O-YR _ 4200.00 471.18 484.33 485.10 0.005222 7.61 742.71 244.51 0.49 Reach -1 10830 50 -YR 5900.00 471.18 485.44 _ 486.23 0.004972 8.15 1035.89 284.09 0.49 Reach -1 10830 100 -YR 6700.00 471.18 485.89 486.70 0.004903 8.37 1166.89 302.79 0.49 Reach -1 10830 500 -YR 8600.00 471.18 486.81 487.64 0.004710 8.76 1460.29 329.92 0,49 Reach -1 11030 10 -YR 4200.00 471.01 485.42 485.75 0.002151 5.39 1106.36 256.70 0.32 Reach -1 11030 50 -YR 5900.00 471.01 486.56 486.92 0.002501 5,77 1417.19 289,22 0.35 Reach -1 11030 100 -YR 6700.00 471.01 486.991 487.37 0.002533 6.00 1546.66 305.71 0.35 Reach -1 11030 500 -YR 8600.00 471.01 487.87 488.32 0.002654 6.541 1825.06 324.10 0.37 I __ HEC -RAS Plan- ,Ex River: RIVER -1 Reach: Reach -1 (Continued) Reach ver Sta Profile Q Total Min Ch El W.S, Elev Cr; =.G ev (1) E G. Slope (ft/ft) Vel Chnl Flow Area Top Wk rFroude # Chl (Cfs) (ft) (ft) (N (ft/s) (s4 ft) (ft) Reach -1 11230 10 -YR 4200.00 472.50 485.91 486.02 0.000630 3.32 1922.43 389.98 0.19 Reach -1 11230 50 -YR 5900.00 472.50 487.08 487.21 0.000696 3.77 2397.17 422.83 0.20 Reach -1 11230 100 -YR 6700.00 472.50 487.54 487.68 0.000729 3.97 2593.38 435.69 0.21 Reach -1 11230 500 -YR 8600.00 472.50 488.48 488.65 0.000805 4.40 3016.07 462.17 0.22 Reach -1 11380 10 -YR 3600.00 471.80 485.93 486.26 0.003174 4.99 940.23 332.46 0.37 Reach -1 11380 50 -YR 5000.00 471.80 487.13 487.43 0.002466 5.02 1371.33 383.92 0.34 Reach -1 11380 100 -YR 5700.00 471.80 487.60 487.90 0.002345 5.12 1554.23 400.87 0.34 Reach -1 11380 500 -YR 7100.00 471.80 488.57 488.86 0.002022 5.17 1959.91 436.13 0.32 Reach -1 11880 10 -YR 3600.00 471.78 487.37 487.82 0.003024 5.60 802.07 236.91 0.38 Reach -1 11880 50 -YR 5000.00 471.78 488.34 488.87 0.003234 6.32 1045.54 264.98 0.40 Reach -1 11880 100 -YR 5700.00 471.78 488.76 489.33 0.003319 6.63 1158.63 277.05 0.41 Reach -1 111880 500 -YR 7100.00 471.78 489.58 490.20 0.003332 7.07 1394.98 300.72 0.41 Reach -1 12420 10 -YR 3600.00 474.52 488.85 489.41 0.002804 6.09 655.24 146.65 0.37 Reach -1 12420 50 -YR 5000.00 474.52 489.93 490.65 0.003246 7.10 833.96 183.97 0.41 Reach -1 12420 100 -YR 5700.00 474.52 490.38 491.17 0.003414 7.51 921.60 201.86 0.42 Reach -1 12420 500 -YR 7100,00 474.52 491.21 492.09 0.003614 8.15 1100.88 231.88 0.44 Reach -1 12539 10 -YR 3600.00 474.74 489.19 484.84 489.69 0.002085 6.08 713.55 242.80 0.33 Reach -1 12539 50 -YR 5000.00 474.74 490.30 486.52 490.97 0.002456 7.05 882.00 279.65 0.36 Reach -1 12539 100 -YR 5700.00 474.74 491.11 487.22 491.44 0.001291 5.34 1449.70 330.99 0.26 Reach -1 12539 500 -YR 7100.00 474,74 492.02 488.50 492.36 0.001250 5.50 1771.42 377.44 0.26 Reach -1 12567 10 -YR 3600.00 474.83 489.55 489.77 0.001249 4.15 1057.78 261.12 0.25 Reach -1 12567 50 -YR 5000.00 474.83 490.84 491.08 0.001127 4.34 1423.34 313.87 0.25 Reach -1 12567 100 -YR 5700.00 474.83 491.24 491.50 0.001177 4.56 1552.90 333.27 0.25 Reach -1 12567 500 -YR 7100.00 474.83 492.14 492.43 0.001149 4.77 1873.09 376.96 0.25 Reach -1 12595 10 -YR 3600.00 475.20 489.47 483.93 489.89 0.000360 5.22 689.60 133.46 0.34 Reach -1 12595 50 -YR 5000.00 475.20 490.67 485.37 491.28 0.000422 6.25 800.35 247.07 0.37 Reach -1 12595 100 -YR 5700.00 475.20 491.03 486.01 491.76 0.000480 6.84 832.94 294.47 0.40 Reach -1 12595 500 -YR 7100.00 475.20 492.01 487.43 492.60 0.000440 6.49 1332.90 344.74 0.38 Reach -1 12600 Bridge Reach -1 12661 10 -YR 3600.00 475.40 489.86 481.98 490.07 0.000705 3.67 980.36 191.51 0.20 Reach -1 12661 50 -YR 5000.00 475.40 491.20 483.03 491.52 0.000907 4.51 11 13.86 292.50 0.23 HEC -RAS PI ,-^ tEx River: RIVER -1 Reach: Reach -1 (Continued) Reach fiver Sta Profile Q Total Min Ch El W.S. Elev Cr. 3, G. 1=!ev j E.G. Slope -- ( ") 1- (ft/ft) Vel Chnl Flow Area Top W(,.,, Froude (cfs) (ft) (h) (ft) (ft/s) (3q ft) (ft) Reach -1 12661 100 -YR 5700.00 475.40 491.66 483.50 492.04 0.001036 4.94 1159.59 329.44 0.25 Reach -1 12661 500 -YR 7100.00 475.40 492.84 484.44 493.29 0.001931 5.46 1410.42 424.29 0.33 Reach -1 12707 10 -YR 3600.00 475.40 490.05 490.09 0.000119 1.65 2248.09 242.75 0.08 Reach -1 12707 50 -YR 5000.00 475.40 491.49 491.56 0.000154 2.02 2633.96 310.28 0.10 Reach -1 12707 100 -YR 5700.00 475.40 492.01 492.08 0.000174 2.20 2805.09 352.73 0.10 Reach -1 12707 500 -YR 7100.00 475.40 493.26 493.35 0.000193 2.46 3299.83 444.38 0.11 Reach -1 12868 10 -YR 3600.00 476.69 489.98 490.18 0.001162 4.25 1171.73 222.54 0.25 Reach -1 12868 50 -YR 5000.00 476.69 491.42 491.66 0.001232 4.82 1544.02 296.82 0.26 Reach -1 12868 100 -YR 5700.00 476.69 491.93 492.19 0.001292 5.09 1703.41 323.58 0.27 Reach -1 12868 500 -YR 7100.00 476.69 493.19 493.45 0.001200 5.26 2152.26 393.42 0.26 Reach -1 12957 10 -YR 3600.00 476.81 490.00 490.37 0.002689 4.95 787.79 202.41 0.36 Reach -1 12957 50 -YR 5000.00 476.81 491.46 491.831 0.002157 5.13 1172.61 326.18 0.33 Reach -1 12957 100 -YR 5700.00 476.81 491.99 492.37 0.002079 5.27 1355.37 370.75 0.33 Reach -1 12957 500 -YR 7100.00 476.81 493.26 493.59 0.001629 5.15 1894.28 476.38 0.30 Reach -1 14600 10 -YR 3600.00 486.40 493.94 494.10 0.001785 4.36 1312.49 369.48 0.30 Reach -1 14600 50 -YR 5000.00 486.40 494.94 495.12 0.001700 4.67 1699.46 404.17 0.30 Reach -1 14600 100 -YR 5700.00 486.40 495.38 495.57 0.001672 4.81 1881.39 418.02 0.30 Reach -1 14600 500 -YR 7100.00 486.40 496.20 496.40 0.001627 5.05 2230.54 442.98 0.30 Reach -1 17970 10 -YR 3600.00 497.00 504.95 504.95 505.92 0.012609 9.26 628.12 333.92 0.74 Reach -1 17970 50 -YR 5000.00 497.00 505.50 505.50 506.57 0.013150 10.16 822.36 370.39 0.77 Reach -1 17970 100 -YR 5700.00 497.00 505.75 505.75 506.85 0.013301 10.53 914.23 386.19 0.78 Reach -1 17970 500 -YR 7100.00 497.00 506.13 506.13 507.36 0.014175 11.36 1068.42 411.35 0.82 Reach -1 18085 10 -YR 3600.00 495.40 506.13 506.27 0.000596 3.06 1216.30 209.37 0.20 Reach -1 18085 50 -YR 5000.00 495.40 506.75 506.99 0.000867 3.89 1354.04 229.09 0.24 Reach -1 18085 100 -YR 5700.00 495.40 507.02 507.30 0.001005 4.28 1415.53 237.37 0.26 Reach -1 18085 500 -YR 7100.00 495.40 507.49 507.87 0.001280 5.01 1531.25 252.22 0.30 Reach -1 18125 10 -YR 3600.00 495.80 506.16 506.29 0.000509 2.96 1244.12 193.02 0.18 Reach -1 18125 50 -YR 5000.00 495.80 506.80 507.02 0.000752 3.79 1372.36 206.88 0.23 Reach -1 18125 100 -YR 5700.00 495.80 507.07 507.34 0.000878 4.18 1428.99 213.40 0.25 Reach -1 18125 500 -YR 7100.00 495.80 507.55 507.92 0.001131 4.92 1535.89 228.68 0.28 Reach -1 18670 10 -YR 3600.00 498.40 506.51 506.78 0.001393 4.13 870.82 139.72 0.29 HEC -RAS PIS ^• . /Ex River: RIVER -1 Reach: Reach -1 (Continued) Reach iver Sta Profile Q Total Min Ch El W.S. "'sv Cr. .3. E.G, Elev E.G. Slope Vel Chnl Flan Area Top . I Froude # Chl (cfs) (ft) (ft) (ft) (ft) (ft/ft) (ft/s) (sq ft) (ft) Reach -1 18670 50 -YR 5000.00 498.40 507.31 507.71 0.001894 5.08 984.78 146.08 0.34 Reach -1 18670 100 -YR 5700.00 498.40 507.66 508.13 0.002130 5.50 1036.32 148.87 0.37 Reach -1 18670 500 -YR 7100.00 498.40 508.29 508.90 0.002497 6.28 1132.10 155.77 0.40 Reach -1 18786 10 -YR 3600.001 506.69 507.04 0.003026 4.71 763.87 127.34 0.34 Reach -1 18786 50 -YR 5000.00 499.00 507.56 508.06 0.004119 5.70 877.21 134.58 0.39 Reach -1 18786 100 -YR 5700.00 499.00 507.94 508.52 0.004629 6.13 929.24 137.78 0.42 Reach -1 18786 500 -YR 7100.00 499.00 508.63 509.37 0.005601 6.92 1025.55 143.51 0.46 Re, Re 18835 -- Bridge Reach -1 18884 10 -YR 3600.00 _499.50 506.99 503.52 507.36; 0.003301 4.88 737.95 125.62 0.35 Reach -1 18884 50 -YR 5000.00 499.50 507.961 504.41 508.48 0.004278 5.79 864.13 133.77 0.40 j Reach -1 18884 100 -YR 5700.00 499.50 508.391 504.82 508.99 0.004711 6.18 922.81 137.39 0.42 Reach -1 18884 500 -YR 7100.00 499.50 509.181 505.52 509.91 0.005493 6.87 1033.53 143.98 0.45 Reach -1 18969 10 -YR 3600.00 _ 499.90 507.23 507.58 0.002019 4.71 764.73 133.52 0.35 Reach -1 18969 50 -YR 5000.00 499.90 508.29 _ 508.76 0.002373 5.501 909.62 141.92 0.38 Reach -1 18969 100 -YR 5700.0011 499.90 508.76 509.28 0.002517 5.83 977.11 145.66 0.40 Reach -1 18969 500 -YR 2100.001 499.901 509.61 510.25 0.002708 6.43 1104.31 155.26 0.42 j Reach -1 19609 10 -YR 3600.001 503.00 _ 508.93 509.52 0.004389 6.16 584.56 122.28 0.50 j Reach -1 19609 50 -YR 5000.00 503.00 510.14 510.85 0.004296 6.77; 739.09 131.98 0.50 Reach -1 19609 100 -YR _ 5700.00: 503.00 510.68 _ 511.44 0.004280 _ 810.91 136.25 0.51 Reach -1 19609 500 -YR 7100.00 503.00; 511.62 _ 512.50 0.004315 -----7.03 7.53 943.29 143.801 0.52 Reach-1 19659 10 -YR 3600.001 503.30 509.05 509.88 0.006730 7.28 494.31 110.81 0.61 Reach -1 19659 50 -YR 5000.00 503.30 510.25 511.22 0.006427 7.90 632.53 120.99 0.61 Reach -1 19659 100 -YR 5700.001 503.30 510.77 511.81 0.006323 8.17 697.38 125.26 0.61 Reach -1 19659 500 -YR 7100.00 503.30 511.71 512.88 0.006247 8.68 817.73 132.81 0.62 Reach -1 19709 10 -YR 3600.00 503.60 509.32 509.32 511.33 0.019065 11.37 316.67 78.95 1.00 Reach -1 19709 50 -YR 5000.00 503.60 510.50 510.50 512.70 0.018454 11.90 420.07 95.51 1.00 Reach -1 19709 100 -YR 5700.00 503.60 510.99 510.99 513.29 0.018177 12.17 468.35 101.87 1.00 Reach -1 19709 500 -YR 7100.00 503.60 ! 511.86 511.86 514.34 0.017714 12.65 561.40 113.12 1.00 Reach -1 19759 10 -YR _3600.00 503.80 510.68 510.68 512.60 0.023785 11.14 323.17 84.00 1.00 Reach -1 19759 50 -YR 5000.00 503.80 511.74 511.74 513.96 0.022909 11.93 419.04 95.49 1.00 Reach -1 19759 100 -YR 5700.00 503.80 512.21 512.21 514.55 0.022561 12.26 464.87 100.52 1.00 HEC -RAS Pl- Ex River: RIVER -1 Reach: Reach -1 (Continuer!) Reach .ever Sta Profile Q TotaE Min Ch El 2V.S Elev Cn. .S. E.G. Elev E G. Slope Vel Chnl Flow Area Top Wia�, , ' � Froude # Chl (cfs) (ft) (` t (f;) (I) (ft/ft) (ft/s) (sq ft) (ft) Reach -1 19759 500 -YR 7100.001 503.80 513.02 513.02 515.61 0.022322 12.92 549.59 109.27 1.01 Reach -1 19794 10 -YR 3600.00 503.90 512.55 512.55 514.38 0.024806 10.85 331.88 91.43 1.00 Reach -1 19794 50 -YR 5000.00 503.90 513.58 513.58 515.64 0.023942 11.51 434.49 106.94 1.01 Reach -1 19794 100 -YR 5700.00 503.90 514.03 514.03 516.19 0.023503 11.77 484.29 113.76 1.01 Reach -1 19794 500 -YR 7100.00 503.90 514.87 514.87 517.16 0.022576 12.15 584.59 127.32 1.00 Reach -1 19944 10 -YR 3600.00 505.60 515.88 515.88 517.38 0.010896 10.76 509.78 211.75 0.71 Reach -1 19944 50 -YR 5000.00 505.60 516.80 516.80 518.34 0.010676 11.56 728.32 261.51 0.72 Reach -1 19944 100 -YR 5700.00 505.60 517.21 517.21 518.73 0.010361 11.78 840.70 282.16 0.72 Reach -1 19944 500 -YR 7100.00 505.60 517.89 517.88 519.42 0.010133 12.27 1043.85 314.15 0.72 Reach -1 20069 10 -YR 3600.00 505.80 517.69 518.04 0.002061 5.93 1069.47 268.35 0.34 Reach -1 20069 50 -YR 5000.00 505.80 518.64 519.06 0.002349 6.75 1339.34 299.48 0.37 Reach -1 20069 100 -YR 5700.00 505.80 519.00 519.51 0.002772 7.50 1450.09 354,37 0.40 Reach -1 20069 500 -YR 7100.00 505.80 519.66 520.23 0.003019 8.14 1692.71 382.42 0.42 Reach -1 20279 10 -YR 3600.00 506.00 518.20 518.26 0.000505 2.65 1953.00 373.31 0.16 Reach -1 20279 50 -YR 5000.00 506.00 519.23 519.32 0.000588 3.10 2356.45 404.70 0.18 Reach -1 20279 100 -YR 5700.00 506.00 519.71 519.81 0.000612 3.27 2552.50 416.40 0.19 Reach -1 20279 500 -YR 7100.00 506.00 520.44 520.56 0.000692 3.65 2862.14 434.23 0.20 Reach -1 20479 10 -YR 3600.00 506.10 518.18 518.45 0.002083 5.31 1173.88 349.46 0.32 Reach -1 20479 50 -YR 5000.00 506.10 519.23 519.51 0.002037 5.67 1560.06 386.46 0.32 Reach -1 20479 100 -YR 5700.00 506.10 519.72 520.00 0.001989 5.80 1750.69 403.47 0.32 Reach -1 20479 500 -YR 7100.00 506.10 520.45 520.76 0.002049 6.17 2057.22 428.44 0.33 Reach -1 20779 10 -YR 3600.00 507.00 518.84 519.09 0.002792 5.68 1170.34 396.92 0.36 Reach -1 20779 50 -YR 5000.00 507.00 519.86 520.08 0.002367 5.67 1590.50 434.61 0.34 Reach -1 20779 100 -YR 5700.00 507.00 520.32 520.54 0.002228 5.69 1794.82 454.41 0.33 Reach -1 20779 500 -YR 7100.00 507.00 521.06 521.29 0.002143 5.88 2145.04 486.23 0.33 Reach -1 22510 10 -YR 3600.00 511.80 522.38 522.64 0.003042 6.26 1399.46 666.18 0.37 Reach -1 22510 50 -YR 5000.00 511.80 523.04 523.28 0.002911 6.42 1858.97 728.79 0.37 Reach -1 22510 100 -YR 5700.00 511.80 523.35 523.57 0.002792 6.43 2086.98 750.11 0.36 Reach -1 22510 500 -YR 7100.00 511.80 523.93 524.15 0.002555 6.39 2540.63 790.83 0.35 N c 0 m W 52( 50C 480 460 CLOMR -Sandy Lake &Freeport- Cottonwood Plan: Revised Existing FW 3/20/2013 0 5000 10000 15000 Main Channel Distance (ft) 1 in Horiz. = 3000 ft 1 in Vert. = 12 ft 20000 25000 Legend WS FW Crit FW WS 100 -YR Crit 100 -YR ■ Ground LOB ................................... ROB HEC -RAS Plan: RevEx -FW River: RIVERA Reach_ Reach -1 Reach River Sta Profile W.S. Elev Prof Delta WS E.G. Elev Top Wdth Ad Q Left Q Channel Q Right Eric Sta L Ch Sta L Ch Sta R Eric Ste R (ft) (ft) (ft) (ft) (S) (cfs) (S) (ft) (ft) (ft) (ft) Reach -1 1 100-YR 461.90 462.95 466.74 1914.60 2362.08 3023.32 1157.00 1183.00 Reach -1 1 FW 461.96 0.06 463.05 376.50 1975.96 2367.81 2956.22 963.50 1157.00 1183.00 1376.50 , ctrl 2 100 -YR 462.13 463.25 109.48 7300.00 1103.00 1232.00 1 2 FW 462.161 0.03 463.42 95.12 7300.00 854.00 1103.00 1232.00 1210.00 �l 3 100-YR 462.29 463.37 110.14 7300.00 1103.00 1232.00 Reach -1 3 FW 462.62 0.33 463.61 111.43 7300.00 1035.00 1103.00 1232.00 1350.00 Reach -1 4 100 -YR 462.81 463.56 303.92 232.09 6919.46 148.45 1122.00 1233.00 Reach -1 4 FW 463.11 0.31 463.78 270.56 259.36 6801.75 238.89 1025.00 1122.00 1233.00 1350.00 Reach -1 5 100 -YR 464.61 465.81 387.74 2313.83 3238.80 1747.38 1178.00 1210.00 Reach -1 5 FW 464.63 0.02 466.03 270.00 2402.50 3388.14 1509.36 1030.00 1178.00 1210.00 1300.00 Reads -1 6 100 -YR 467.36 _ 467.61 558.62 2431.12 2562.30 2306.58 1177.00 1230.00 Reach-1 6 FW 467.65 0.29 467.95 346.00 2665.52 2765.96 1868.52 1063.00 1177.00 1230.00 1409.00 Reach -1 7 100 -YR 468.05 468.14 858.09 4282.00 791.56 2226.44 1405.00 1432.00 Reach -1 7 FW 468.48 0.43 468.65 509.00 3872.40 1108.04 2319.56 1115.00 1405.00 1432.00 1624.00 Reach -1 8 100-YR 468.40 468.54 861.44 698.82 177216 4829.02 1369.00 1425.00 Reach -1 8 FW 468.98 0.58 469.20 511 -00 552.03 2146.50 4601.47 1289.00 1-369.001 1425.00 1800.00 Reach -1 6710 100 -YR 470.13 470 -29 770.68 666.52 1135.52 5497.96 1250.00 1286.00 Reach -1 6710 FW 470.79 0.66 470.96 587.00 972.11 1236.70 5091.19 1083.00 1250.00 1286.00 1670 -00 Reach -1 8000 100 -YR 47128 473.47 700.49 509.89 97339 5816.31 2817.00 2848.00 Reach -1 8000 FW 47166 0.38 473.89 510.00 248.04 1067.15 5984.81 2750.00 2817.00 2848.00 3260.00 Reach -1 9233 100 -YR 477.35 477.68 461.04 9.25 1415.12 5275.63 1225.00 1255.00 Reach -1 9233 FW 477.85 0.51 478.34 299.38 34.311 1697.38 4968.31 1200.00 1225.00 1255.00 1500.00 Reach -1 9475 100 -YR 478.37 _ 478.75 452.32 1171.14 2998.95 2529.92 1430.00 1489.00 Reach -1 9475 FW 478.99 0.62 479.26 _ 510.41 1229.02 2798.12 2672.87 1430.00 1489.00 Reach -1 9494 100-YR 477.54 480.79 71.71 6700.00 1296.00 1380.00 FhA 9494 FW 47Z54 0.01 481.48 54.00 6700.00 1313.00 1296.00 1380.00 1367.00 Rt 9510 BR D 100 -YR 477.93 481.26 68.56 6700.00 1296.00 1380.00 Rea- 9510 BR D FW 478.00 0.07 482 11 50.00 6700.00 1313.00 1296.00 1380.00 1367.00 Reach -1 9510 BR U 100 -YR 479.72 481.76 73.75 6700.00 1296.00 1380.00 Reach -1 9510 BR U FW 479.14 -0.58 482.23 _ 51.50 6700.00 1315.50 12196.001 1380.00 1371.00 Reach -1 9526 100 -YR 460.42 481.92 80.15 6700.00 1296.00 1380.00 Reach -1 9526 FW 480.48 0.07 482.50 55.50 6700.00 _ 1315.50 1296.00 1380.00 1371.00 Reach -1 9590 100 -YR 482.24 482.40 527.38 2599.70 230238 1797.52 1282.00 1327.00 Reach -1 9590 FW 482.26 0.01 483.01 165.00 1774.56 4185.62 739.83 1210.00 1282.00 1327.00 1375.00 �Reach-1 adrt 9890 100-YR 482.50 482.77 427.54 2515.73 2896.24 1288.03 1262.00 1307.00 9890 FW 483.33 0.84 483.69 240.00 2589.41 3285.43 825 -16 1125.00 1262.00 1307.00 1365.00 Reach -1 10120 100 -YR 482.871 483.37 350.36 2250.10 4326.70 123.20 1184.00 1247.00 Reach -1 10120 FW 483.77 0.89 484.12 272.00 2662.19 4025.18 12.63 978.00 1184.00 1247.00 1250.00 Reach-1 10130 100 -YR 482.90 483.39 351.10 2262.09 4312.37 125.54 1184.00 1247.00 Reach -1 10130 FW 48378 0.88 484 -14 270.00 2661.92 4025.40 12.68 980.00 1184.00 1247.00 1250.00 Reach -1 10210 100 -YR 482.59 48430 284.15 468.89 5083.33 1147.78 1180.00 1231.00 Reach -1 10210 FW 483.44 0.85 484.64 _ 200.00 724.20 4754.31 1221.49 1105.50 1180.00 1231.00 1305 -50 Reach -1 10470 100 -YR 485.07 485.52 255.86 218.68 4672.07 1809.25 1202.00 1284.00 Reach -1 10470 FW 485.17 0.10 485.81 _ 190.11 26191 5392.34 1043.75 1143.00 1202.00 1284.00 1343.00 Reach -1 10655 100 -YR _ 485.48 486.00 279.81 1360.86 4261.39 1077.75 1168.00 1231.00 Reach -1 10655 FW 48531 0.23 486 -37 180.00 1051.13 4702.27 946.60 1109.50 1168.00 1231.00 1289.50 Reads -1 108W 100 -YR 485.89 _ 486 70 302.79 1123.17 4647.81 929.02 1200.00 1262.00 ^h-1 10830 FW _ 486.22 0.34 487.0 _ 180.00 945.99 4790.88 963.13 1141.00 1200.00 1262.00 1321 -00 Re< 11030 100-YR 486.99 _ - 487371 30571 2933.06 3765.25 1.70 1217.00 1287.00 Rea, 11030 FW 487.12 0.13 .1 487 91 150.18, 1736.64 4959.01 4.36 1152.00 1217.00 1287.00 1352.00 Reach -1 11230 100 -YR 487.54 _ 487.68 _ 435.69 3054.22 3132.88 512.90 1480.00 1550.00 Reach -1 11230 FW _ 488.14 _ 0_:61 _ 488 -_33 -__ _ 270.00 _ 2523.99 3487.85 688.17 1345.00 1480.00 1550.00 _ 1615.00 Reach -1 11380 100 - -YR 487.60 -- - 487 90 ___- 400 -87 1526.48 3906.99 266.53 1284.00 1390.00 HEC -RAS Plan: RevEx -FW River. RIVERA Reach: Reach-1 (Continued) Reach River Sta Profile W.S. Elev I Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Eric Sta L Ch Sta L Ch Sta R Eric Sta R (ft) (ft) (ft) (ft) (ds) (crs) (S) (ft) (ft) (ft) (ft) Reach -1 11380 FW 48825 0.66 488.51 296.00 1816.20 3826.43 57.37 1104.00 1284.00 1390.00 1400.00 Reach -1 11880 100-YR 488.76 489.33 277.05 693.96 4612.28 393.77 1222.00 1306.00 ch-1 11880 F W 489.11 0.35 489.69 226.00 836.40 4783.99 79.61 1090.00 1222.00 1306.00 1316.00 12420 100-YR 490.38 491.17 201.86 212.91 5051.77 435.32 162.00 230.00 1 12420 FW 490.65 0.26 491.53 96.00 67.74 5343.33 288.94 155.00 162.00 230.00 251.00 Reach -1 12539 100-YR 491.11 491.44 330.99 2410.25 2845.13 444.63 357.00 399.00 Ruch -1 12539 FW 491.12 0.00 491.87 108.00 1088.70 3984.28 627.02 332.00 357.00 399.00 440.00 Reach -1 12567 100-YR 491.24 491.50 333.27 1791.53 3476.08 432.39 275.00 351.00 Reach -1 12567 FW 491.26 0.03 491.96 114.00 4969.65 730.35 286.00 275.00 351.00 400.00 Reach -1 12595 100-YR 491.03 491.76 92.00 5700.00 240.00 351.00 Reach -1 12595 FW 491.21 0.18 492.07 71.00 5700.00 270.00 240.00 351.00 375.00 Reach -1 12600 BR D 100-YR 490.98 491 -82 86.00 5700.00 240.001 351.00 Reach -1 12600 BR D FW 491.15 0.17 492.15 66.00 5700.00 270.00 240.00 351.00 375.00 Reach -1 12600 BR U 100-YR 491.49 491.97 86.00 5700.00 193.00 340.00 Reach -1 12600 BR U FW 491.90 0.41 492.37 5700.00 185.00 193.00 340.00 370.00 Reach -1 12661 100 -YR 491.66 492.04 100.00 5691.12 8.88 193.00 340.00 Reach -1 12661 FW 492.101 0.44 492.45 100.00 5687.52 12.48 185.00 193.00 340.00 370.00 Reach -1 12707 100 -YR 492.01 492.08 352.73 21.26 5574.44 104.30 132.00 317.00 Reach -1 12707 FW 492.41 0.40 492.491 215,00 5535.76 164.24 165.00 132 -00 317.00 380.00 Reach -1 12868 100-YR 491.93 492.19 323.58 51.47 3160.61 2487.92 120.00 175.00 Reach -1 12868 FW 492.34 0.41 49260 240.00 2267.12 3432.88 145.00 120.00 175.00 385.00 Reach -1 12957 100 -YR 491.991 492.37 370,75 639.18 4921 -31 139.51 221.00 338.00 Reach -1 12957 FW 492.431 0.45 492.76 300.00 616.92 4849.06 234.03 155.00 221.00 338.00 455.00 Reach -1 14600 100-YR 495.38 495.57 418.02 3590.54 1747.31 362.15 1676.00 1721.00 Reach -1 14600 FW 495.76 _ 0.37 496.04 223.00 3710.51 1989.49 1498.00 1676.00 1721.00 1721.00 ���- -- 17970 100 -YR 505.75 506.85 386.19 1712.83 3308.50 678.67 1443.00 1499.00 17970 FW 506.24 0.49 507.60 190.00 1008.73 3741.48 949.80 1385.00 1443.00 1499.00 1575.00 Reach-1 18085 100-YR 507.02 507.30 237.37 84.61 5593.87 21.52 1281.00 1437.00 Reach -1 18085 - FW _ 507.80 0.78 508.06 150.00 26 -59 5673.41 1275.00 1281.00 1437.00 1425.00 Reach -1 18125 100 -YR 507 -07 507,34 213.40 58.88 5626.56 14.56 1000 -00 1150.00 Reach -1 18125 FW 507.86 0.79 508.09 150.00 5700.00 1000.00 1000.00 1150.00 1150 -00 Reach -1 18670 100 -YR 507.66 508.13 148.87 5700.00 1000.00 1150.00 Reach -1 18670 FW 508.32 0.66 508.71 145.00 5700.00 1002.00 1000.00 1150.00 1147.00 Reach -1 18786 100 -YR 507.94 _ 508.52 13738 5700.00 1017.00 1191.00 Reach -1 118786 FW 508.52 0.58 509.02 135.00 5700.00 1031.50 1017.00 1191.00 _ 1176.50 Reach -1 118835 BR D 100 -YR 507.95 508.53 137.82 5700.00 1017.00 1191.00 Reach -1 18835 BR D FW 508.52 0.58 509.02 135.00 5700.00 1031.50 1017 -00 1191.00 1176.50 Reach -1 18835 BR U 100-YR 508.39 508.98 137 -34 5700.00 1017.00 1191.00 Reach-1 18835 BR U FW 508.87 0.48 509.39 _ 134.77 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18884 100 -YR 508.39 _ 508.99 137.39 5700.00 1017.00 1191.00 Reach -1 18884 FW 508.87 0.48 509.391 134.79 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18969 100-YR 508.76 509.281 145.66 5700.00 1000.00 1150.00 Reach -1 18969 FW 509.17 0.41 509641 145.00 5700.00 1002.50 1000.00 1150.00 1147.50 Reach -1 19609 100-YR 510.68 511 -44 13625 5700.00 1000.00 1150.00 Reach -1 19609 FW 510.80 0.12 511.54 135.00 5700.00 1007.50 1000.00 1150.00 _ 1142.50 Reach -1 19659 100 -YR 510.77 -511.81 125.26 5700.00 1246.00 1399.00 Reach -1 19659 FW 510.88 0.11 511.86 125.00 5700.00 1260.00 1246.00 1399.00 1385 -00 19709 100-YR _510.99 _ 51329 101.87 5700.00 1226.00 1376.00 Re 19709 FW 51099 0,00-- 513.29 101 87 5700.00 1226.00 122600 137600 1376.00 Reach -1 19759 100-YR 51221 514.55 5700.00 958.00 1067.00 Reach -1 19759 FW 512,211 0.00 514.55 _- 10052 5700.00 958.00 958.00 1067.00 1067.00 Reach -1 19794 100 -YR _ 514 03 516 19 ----- -- 113.76 -- - 5700.00 1388.00 1565.00 - - - -- ,Reach -1 19794 FW 513 -99 -0.04 51619; 11117 5700 -00 1400.00 138800 1565.00 1540.00 HFC -RAS Plan RevEx -FW River RiVFR -1 Reach Rearrh_1 (Cnnfintiodl Reach River Sta Profile W.S. Elev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Eric Sta L Ch Sta L Ch Sta R Enc Sta R (ft) (ft) (ft) (ft) (Cfs) (Cfs) (cfs) (ft) (ft) (ft) (ft) Reach 1 19944 100 -YR 51711 518.73 282.16 656.74 3849.12 1194.14 1377.00 1416.00 Reach -1 19944 FW 517.14 -0.07 518.66 227.00 659.84 3811.10 1229.06 1303.00 1377.00 1416.00 1530.00 -1 20069 _ _ 100-YR 519.00 519.51 354.37 1358.79 3000.77 1340.45 1241.00 1278.00 ' -1 20069 FW 518.76 -0.24 519.55 133.02 1059.72 3377.12 1263.17 1197.13 1241.00 1278.00 1330.15 (keoaf -1 20279 100 -YR 519.71 519.81 416.40 3643.78 1930.91 125.31 1340.00 1401.00 Reactrt 20279 FW 519.81 0.09 519.95 228.92 3603.26 2096.74 1172.08 1340.00 1401.00 1401.00 20479 106-YR Reach -1 519.72 520.00 403.47 1283.81 2538.07 1878.12 1280.00 1324.00 Reach -1 20479 FW 519.76 0.04 520.24 187.19 1025.98 3035.40 1638.62 1202.68 1280.00 1324.00 1389.87 Reach -1 20779 100-YR 520.32 520.54 454.41 3953.96 1577.21 168.84 1383.00 1413.00 Reach -1 20779 FW 520.63 0.31 521.00 197.02 3931.89 1768.11 1215.98 1383.00 1413.00 1413.00 Reach -1 22510 100-YR 523.35 523.57 750.11 2119.24 1505.89 2074.88 1755.00 1779.00 Reach -1 22510 FW 524.21 0.86 524.52 313.001 2620.621 1702.05 1377.331 1549.001 1 55.001 1779.00 1862.00 V W U. _ ° O � CC CL a LL H O CL POST PROJECT MODEL (FLOODPLAIN AND FLOODWAY) POST - PROJECT FP & FW N 0 m aD w CLOMR -Sandy Lake &Freeport- Cottonwood Br Plan: ZevEx 3/20/2013 2) PostProj -FP -FIS 3/20/2013 0 5000 10000 15000 Main Channel Distance (ft) 1 in Horiz. = 3000 ft 1 in Vert = 12 ft 20000 -- - Legend WS 100 -YR - RevEx Crit 100 -YR - RevEx WS 100 -YR - PostProj -FP -FIS Crit 100 -YR - PostProj -FP -FIS ■ Ground ............... _._._ _ _ ----------------------- _ LOB ................... I ........ - .......... .._.._......... I...._.._.._.._.._.._.._....... ROB HEC -RAS Plan: PostProj- FP -FIS River: RIVER -1 Reach: Reach -1 Reach River Sta Profile Q Total Min Ch El W.S. Elev Cht W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Width Froude # Chi (ds) (ft) (ft) (ft) (ft) (ftlft) (ftfs) (s9 ft) (ft) Reach -1 1 10-YR 4500.00 452.20 461.35 461.35 462.11 0.009848 10.09 892.78 449.23 0.68 Reach -1 1 50-YR 6400.00 452.20 461.72 461.72 462.70 0.012490 11.77 1062.83 461.19 0.77 ach-1 1 100-YR 7300.00 45220 461.96 461.96 462.94 0.012431 12.00 1171.77 468.69 0.78 Y.h -1 1 500-YR 9400.00 452.20 466.80 462.33 466.92 0.000685 3.94 3580.45 508.00 0.20 t 1 2 10-YR 4500.00 452.20 461.88 462.33 0.000456 5.40 832.57 108.48 0.34 Reach -1 2 50-YR 6400.00 452.20 462.07 462.94 0.000858 7.49 854.03 109.26 0.47 Reach -1 2 100-YR 7300.00 452.20 462.15 463.27 0.001084 8.46 862.90 109.58 0.53 Reach -1 2 500-YR 9400.00 452.20 466.56 467.27 0.000485 6.79 1384.56 128.49 0.36 Reach -1 3 10-YR 4500.00 452.20 461.93 462.38 0.000447 5.37 838.35 108.69 0.34 Reach -1 3 50-YR 6400.00 45220 462.19 463.04 0.000823 7.38 866.89 109.73 0.46 Reach -1 3 100-YR 7300.00 452.20 462.32 463.38 0.001023 8.29 880.90 110.23 0.52 Reach -1 3 500-YR 9400.00 452.20 466.62 467.32 0.000477 6.75 1392.00 128.61 0.36 Reach -1 4 10 -YR 4500.00 452.50 462.10 462.46 0.001391 4.88 1009.89 205.90 0.30 Reach -1 4 50 -YR 6400.00 452.50 462.56 463.19 0.002283 6.48 1119.50 269.94 0.39 Reach -1 4 100 -YR 7300.00 452.50 462.83 463.57 0.002628 7.10 1196.29 306.94 0.42 Reach -1 4 500-YR 9400.00 452.50 467.22 467.43 0.000568 4.32 3458.99 658.10 0.21 Reach -1 5 10-YR 4500.00 454.10 463.78 463.78 464.80 0.008218 10.36 807.70 362.14 0.66 Reach -1 5 50-YR 6400.00 454.10 464.39 464.39 465.51 0.009142 11.51 1033.88 382.05 0.71 Reach -1 5 100-YR 7300.00 454.10 464.61 464.61 465.81 0.009733 12.09 1118.12 387.74 0.74 Reach -1 5 500 -YR 9400.00 454.10 467.56 467.90 0.002154 6.96 2381.15 482.33 0.36 Reach -1 6 10-YR 4500.00 455.60 466.18 466.37 0.001478 4.66 1607.69 512.43 0.30 Reach -1 6 50-YR 6400.00 455.60 467.01 46724 0.001619 5.23 2045.91 549.53 0.31 Reach -1 6 100-YR 7300.00 455.60 467.36 467.61 0.001653 5.42 2240.16 558.61 0.32 Reach -1 6 500-YR 9400.00 455.60 468.54 468.76 0.001328 5.28 2918.34 589.75 0.29 Reach -1 7 10-YR 4500.00 457.30 466.84 466.91 0.001071 3.42 2332.71 793.73 0.23 Reach -1 7 50 -YR 6400.00 457.30 467.69 467.77 0.000992 3.56 3038.33 838.85 0.23 °teach -1 7 100 -YR 7300.00 457.30 468.05 468.14 0.000982 3.65 3341.86 858.09 0.23 h 1 7 500 -YR 9400.00 457.30 469.10 469.18 0.000770 3.51 4249.04 875.78 0.21 Re I 8 10-YR 4500.00 458.20 467.23 467.38 0.001992 4.55 1847.52 801.18 0.34 Reach -1 8 50-YR 6400.00 458.20 468.05 468.19 0.001682 4.57 2515.52 836.53 0.32 Reach 1 8 100-YR 7300.00 458.20 468.40 468.54 0.001603 4.62 2813.30 861.43 0.31 Reach -1 8 500-YR 9400.00 458.20 469.37 469.50 0.001252 4.46 3680.67 930.18 0.28 Reach -1 6710 10-YR 4500.00 460.60 469.22 469.35 0.002564 4.38 1817.68 745.77 0.33 Reach -1 6710 50 -YR 6400.00 460.60 469.85 469.991 0.002649 4.75 2287.19 763.84 0.34 Reach -1 6710 100 -YR 7300.00 460.60 470.13 470.29 0.002616 4.87 2506.96 770.68 0.34 Reach -1 6710 500-YR 9400.00 460.60 470.80 470.98 0.002441 5.02 3030.36 786.71 0.33 Reach -1 18000 10-YR 4500.00 463.90 472.37 472.51 0.003182 4.54 1643.47 667-031 0.35 Reach -1 8000 50-YR 6400.00 463.90 473.01 473.18 0.003204 4.92 2080.91 689.60 0.36 Reach -1 8000 100 -YR 7300.00 463.90 473.28 473.47 0.003234 5.10 2266.91 700.49 0.36 Reach -1 8000 500 -YR 9400.00 463.90 473.84 474.06 0.003309 5.46 266732 723.37 0.37 Reach -1 9233 10-YR 4200.00 467.00 476.40 476.66 0.004826 5.99 1162.62 421.95 0.43 Reach -1 9233 50 -YR 5900.00 467.00 477.06 477.37 0.004922 6.47 1452.78 449.32 0.44 Reach -1 9233 100 -YR 6700.00 467.00 477.35 477.68 0.004942 6.66 1582.44 461.04 0.44 Reach -1 9233 500-YR 8600.00 467.00 477.96 478.34 0.004987 7.07 1869.43 474.51 0.45 Reach -1 9475 10-YR 4200.00 467.23 477.27 477.89 0.003658 7.26 729.69 137.00 0.44 Reach -1 9475 50-YR 5900.00 467.23 478.01 478.92 0.004902 8.87 830.42 140.00 0.51 Reach -1 9475 100-YR 6700.00 467.23 478.30 479.36 0.005458 9.56 871.73 140.00 0.54 Reach -1 9475 500-YR 8600.00 467.23 478.91 480.33 0.006765 11.08 956.73 140.00 0.61 Reach -1 9510 Bridge ich-1 9590 10-YR 4200.00 467.40 478.03 474.92 478.40 0.002174 5.66 883.66 229.53 0.34 - 1 9590 50-YR 5900.00 467.40 479.07 475.741 479.61 0.002637 6.72 1029.49 247.76 0.38 R 9590 100-YR 6700.00 467.40 479.51 476.031 480.12 0.002821 7.16 1091.23 255.48 0.39 Rea-1 9590 500-YR 8600.00 467.40 480.49 476.79 481.28 0.003182 8.07 1227.41 272.50 0.42 Reach -1 9890 10-YR 4200.001 468.101 479.02 479.02 480.20 0.008193 ----9.641 691.241 334.841 0.61 Reach -1 9890 50 -YR 5900.00 468.10 479.85 479.71 481.01 0.008131 10.27 982.801 366.381 0.62 Reach -1 9890 100-YR 1 6700.001 468.10 1 480.38 481.381 0.006945 9.881 1180.911 380.481 0.58 HEC -RAS Plan: PostProi- FP -FIS River. RIVER -1 Reach: Reach -1 (Continued) Reach River Sta Profile Q Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Vel Chnl Flow Area Top Width Froude # C hl (ds) (ft) (ft) (ft) (ft) OVII) WS) (s4 ft) (ft) Reach -1 9890 500-YR 8600.00 468.10 481.49 482.27 0.005306 9.32 1615.00 405.07 0.51 Rqpch-I 10120 10 -YR 4200.00 468.53 480.86 481.44 0.003342 6.67 883.64 285.51 0.41 _;h -1 10120 50-YR 5900.00 468.53 481.68 482.39 0.003937 7.70 1128.00 316.94 0.45 1 10120 100 -YR 6700.00 468.53 481.93 482.73 0.004366 8.26 1208.20 326.60 0.48 1 10120 500-YR 8600.00 468.53 482.65 483.56 0.004727 9.04 1452.55 345.09 0.50 Reach 1 10130 10-YR 4200.00 468.53 480.92 481.48 0.003231 6.58 898.40 287.50 0.40 Reach -1 10130 50-YR 5900.00 468.53 481.74 482.43 0.003790 7.59 1147.75 319.35 0.44 Reach -1 10130 100-YR 6700.00 468.53 482.00 482.77 0.004182 8.13 1232.05 329.42 0.47 Reach -1 10130 500 -YR 8600.00 468.53 482.73 483.61 0.004517 8.89 1480.96 347.05 0.49 Reach -1 10210 10-YR 4200.00 468.66 480.96 480.96 482.70 0.014448 11.04 479.80 187.39 0.78 Reach -1 10210 50-YR 5900.00 468.66 482.18 482.18 483.83 0.012078 11.38 758.17 265.82 0.74 Reach -1 10210 100-YR 6700.00 468.66 482.59 482.59 484.24 0.011757 11.64 871.11 284.06 0.73 Reach -1 10210 500-YR 8600.00 468.66 483.18 483.18 485.09 0.013110 12.90 1044.86 305.63 0.78 Reach -1 10470 10-YR 4200.00 469.31 483.58 483.91 0.002028 5.05 1044.65 239.37 0.32 Reach -1 10470 50 -YR 5900.00 469.31 484.62 485.04 0.002246 5.77 1300.17 250.93 0.34 Reach -1 10470 100-YR 6700.00 469.31 485.02 485.48 0.002368 6.10 1400.66 255.33 0.35 Reach -1 10470 500-YR 8600.00 469.31 485.91 486.45 0.002574 6.76 1630.70 265.14 0.37 Reach -1 10655 10-YR 4200.00 470.63 483.93 484.37 0.002703 5.98 977.02 256.88 0.36 Reach -1 10655 50-YR 5900.00 470.63 485.02 485.51 0.002801 6.60 1265.21 273.04 0.38 Reach -1 10655 100-YR 6700.00 470.63 485.44 485.97 0.002877 6.89 1381.62 279.26 0.39 Reach -1 10655 500-YR 8600.00 470.63 486.36 486.98 0.003104 7.60 1650.12 313.91 0.41 Reach -1 10830 10-YR 4200.00 471.18 484.32 485.09 0.005269 7.64 739.53 243.98 0.50 Reach -1 10830 50-YR 5900.00 471.18 485 -42 486.22 0.005026 8.18 1030.95 283.36 0.49 Reach -1 10830 100-YR 6700.00 471.18 485.86 486.68 0.004986 8.42 1158.31 301.60 0.50 Reach -1 10830 500-YR 8600.00 471.18 486.85 487.67 0.004615 8.70 1472.35 330.97 0.49 VIA 11030 10-YR 4200.001 471.01 485.41 485.74 0.002156 5.40 1105.24 256.58 0.32 3 --°h -1 11030 50-YR 5900.00 471.01 486.55 486.91 0.002510 5.77 1415.43 288.99 0.35 F 11030 100 -YR 6700 -00 471.01 486.98 487.37 0.002548 6.01 1543.47 305.31 0.35 Re_ -.. -1 11030 500-YR 8600.00 471.01 487.89 488.33 0.002635 6.52 1829.96 324.41 0.37 Reach -1 11230 10-YR 4200.00 472.50 485.91 486.02 0.000631 3.32 1921.20 389.89 0.19 Reach -1 11230 50-YR 5900.00 472.50 487.07 487.21 0.000698 3.77 2395.26 422.71 0.20 Reach -1 11230 100-YR 6700.00 472.50 487.53 487.68 0.000732 3.97 2589.97 435.47 0.21 Reach -1 11230 500-YR 8600.00 472.50 488.49 48866+1 0.000802 4.39 3021.29 462.49 0.22 Reach -1 111380 10-YR 3600.00 471.801 485.93 486.25 0.003183 5.00 939.16 332.321 0.37 Reach -1 11380 50 -YR 5000.00 471.80 487.13 487.43 0.002473 5.02 1369.62 383.75 0.34 Reach -1 11380 100-YR 5700.00 471.80 487.59 487.90 0.002357 5.12 1551.14 400.59 0.34 Reach -1 11380 500-YR 7100.00 471.80 488.58 488.87 0.002009 5.16 1964.69 436.52 0.32 Reach -1 11880 10-YR 3600.00 471.78 487.37 487.82 0.003025 5.60 801.95 236.89 0.38 Reach -1 11880 50-YR 5000.00 471.78 488.34 488.87 0.003237 6.32 1045.18 264.94 0.40 Reach -1 11880 100-YR 5700.00 471.78 488.76 489.33 0.003324 6.63 1157.87 276.97 0.41 Reach -1 11880 500-YR 7100.00 471.78 489.58 490.20 0.003324 7.06 1396.51 300.87 0.41 Reach -1 12420 10-YR 3600.00 474.52 488.85 489.41 0.002804 6.09 655.22 146.64 0.37 Reach -1 12420 50 -YR 5000.00 474.52 489.93 490.65 0.003246 7.10 83189 183.96 0.41 Reach -1 12420 100-YR 5700.00 474.52 490.38 491.17 0.003415 7.51 921.47 201.84 0.42 Reach -1 12420 500-YR 7100.00 474.52 491.21 492.10 0.003611 8.15 1101.22 231.92 0.44 Reach -1 12539 10-YR 3600.00 474.74 489.29 489.65 0.001570 5.17 796.23 116.95 0.25 Reach -1 12539 50-YR 5000.00 474.74 490.45 490.95 0.002083 6.29 946.09 142.14 0.29 Reach -1 12539 100-YR 5700.00 474.74 490.91 491.49 0.002275 6.72 1014.45 151.68 0.31 Reach -1 12539 500 -YR 7100.001 474.74 491.71 492.44 0.002625 7.47 1142.00 168.04 0.33 ::h-1 12567 10-YR 3600.00 474.83 489.53 48412 489.73 0.000301 4.57 1231.51 175.62 0.22 ' 12567 50-YR 5000.00 474.83 490.79 485.14 491.06 0.000361 5.33 1448.87 180.66 0.25 R 12567 100-YR 5700.00 474.83 491.31 485.50 491.62 0.000393 5.69 1538.91 182.75 0.26 Reacn-1 112567 500-YR 7100.001 474.83 492.21 486.34 492.59 0.000461 6.42 1694.29 190.61 0.29 Reach -1 12600 Bridge Reach -1 12707 10-YR 3600.00 475.40 489.78 479.26 489.831 0.0000381 1.751 2055.911 188.441 0.09 HEC -RAS Plan: PostProi- FP -FIS River: RIVER -1 Reach: Reach -1 (Continued) Reach River Sta Profile Q Total Min Ch EI W.S. Elev Crit W.S. E.G. Bev E.G. Slope Vat Chnl Flow Area Top Width Froude # C hl (ds) (ft) (ft) (ft) (ft) (ftift) (ft1s) (s9 ft) (ft) Reach -1 12707 50-YR 5000.00 475.40 491.11 479.94 491.19 0.000052 2.19 2287.95 196.05 0.11 Reach -1 12707 100-YR 5700.00 475.40 491.68 480.27 491.76 0.000060 2.40 2386.25 202.95 0.11 Reach -1 12707 500 -YR 7100.00 475.40 492.66 480.84 492.78 0.000076 2.78 2563.73 214.24 0.13 1 12868 10-YR 3600.00 476.69 489.67 489.90 0.001352 4.49 110185 214.47 0.26 t. I1 12868 50 -YR 5000.00 476.69 490.99 491.27 0.001471 5.13 1422.66 274.70 0.28 Reach -1 112868 100-YR 5700.00 476.69 491.55 491.85 0.001512 5.38 1584.78 303.89 0.29 Reach -1 12868 500-YR 7100.00 476.69 492.54 492.87 0.001557 5.79 1911.52 355.51 0.30 Reach -1 12957 10-YR 3600.00 476.81 489.70 490.12 0.003214 5.27 728.20 187.87 0.39 Reach -1 12957 50-YR 5000.00 476.81 491.04 491.49 0.002761 5.58 1042.32 290.24 0.37 Reach -1 12957 100-YR 5700.00 476.81 491.61 492.06 0.002573 5.68 1222.27 338.87 0.36 Reach -1 12957 500-YR 7100.00 476.81 492.62 493.07 0.002282 5.81 1607.99 423.58 0.35 React-1 14600 10-YR 3600.00 486.40 493.96 494.12 0.001763 4.34 1318.48 370.04 0.30 Reach -1 14600 50-YR 5000.00 486.40 494.97 495.14 0.001674 4.64 1709.10 405.00 0.30 Reach -1 14600 100-YR 5700.00 486.40 495.40 495.59 0.001657 4.79 1887.32 418.45 0.30 Reach -1 14600 500-YR 7100.00 486.40 496.18 496.39 0.001639 5.07 2224.15 442.54 0.30 Reach -1 17970 10-YR 3600.00 497.00 504.92 504.92 505.89 0.012860 9.20 620.45 331.43 0.75 Reach -1 17970 50 -YR 5000.00 497.00 505.47 505.47 506.54 0.013363 10.10 813.74 368.34 0.78 Reach -f 117970 100-YR 5700.00 497.00 505.71 505.71 506.82 0.013627 10.50 901.55 383.54 0.79 Reach -1 17970 500-YR 7100.00 497.00 506.09 506.09 507.33 0.014550 11.35 1052.83 408.40 0.83 Reach -1 18085 10-YR 3600.00 495.40 50610 506.24 0.000604 3.07 1210.65 208.52 0.20 Reach -1 18085 50 -YR 5000.00 495.40 506.73 506.96 0.000876 3.91 1348.63 228.35 0.24 Reach -1 18085 100 -YR 5700.00 495.40 507.00 507.28 0.001014 4.29 1410.78 236.74 0.26 Reach -1 18085 500-YR 7100.00 495.40 507.48 507.86 0.001288 5.02 1527.22 251.72 0.30 Reach -1 18125 10 -YR 3600.00 495.80 506.13 506.27 0.000514 2.97 1239.00 192.45 0.18 Reach -1 18125 50-YR 5000.00 495.80 506.78 507.00 0.000759 3.80 1367.59 206.38 0.23 Reach -1 18125 118125 100-YR 5700.00 495.80 507.05 507.32 0.000884 4.19 1424.85 21219 0.25 a:,ach -1 500-YR 7100.00 495.80 507.54 507.91 0.001138 4.93 1532.38 228.20 0.28 18670 10 -YR 3600.00 498.40 506.49 506.76 0.001407 4.15 867.70 139.54 0.29 Ream -1 18670 50-YR 5000.00 498.40 507.29 507.69 0.001908 5.09 982.12 145.94 0.35 Reach -1 18670 100-YR 5700.00 498.40 507.64 508.12 0.002143 5.51 1034.11 148.75 0.37 Reach -1 18670 500-YR 7100.00 498.40 508.28 508.89 0.002509 6.29 1130.42 155.64 0.40 Reach -1 18786 10-YR 3600.001 499.00 506.67 507.021 0.003052 4.73 761.28 127.17 0.34 Reach -1 18786 50-YR 5000.00 499.00 507.54 508.05 0.004145 5.71 875.02 134.45 0.39 Reach -1 18786 100-YR 5700.00 499.00 507.93 508.51 0.004652 6.15 927.44 137.67 0.42 Reach -1 18786 500-YR 7100.00 499.00 508.62 509.36 0.005619 6.93 1024.24 143.44 0.46 Reach -1 18835 Bridge Reach -1 18884 10-YR 3600.00 499.50 506.97 503.52 507.34 0.003326 4.89 735.71 125.47 0.36 Reach -1 18884 50 -YR 5000.00 499.50 507.95 504.41 508.47 0.004301 5.80 862.31 133.65 0.40 Reach -1 18884 100-YR 5700.00 499.50 508.38 504.82 508.98 0.004730 6.19 921.33 137.30 0.42 Reach -1 18884 500-YR 7100.00 499.50 509.17 505.51 509.91 0.005507 6.88 1032.51 143.92 0.45 Reach -1 18969 10-YR 3600.00 499.90 507.22 507.57 0.002035 4.72 762.63 133.40 0.35 Reach -1 18969 50-YR 5000.00 499.90 508.28 508.75 0.002385 5.51 907.96 141.82 0.38 Reach -1 18969 100 -YR 5700.00 499.90 508.75 50918 0.002526 5.84 975.79 145.59 0.40 Reach -1 18969 500-YR 7100.00 499.90 509.60 510.24 0.002715 6.44 1103.41 155.16 0.42 Reach -1 19609 10-YR 3600.00 503.00 508.92 509.51 0.004401 6.16 584.01 122.25 0.50 Reach -1 19609 50-YR 5000.00 503.00 510.14 510.85 0.004304 6.77 738.61 131.95 0.50 Reach -1 19609 100-YR 5700.00 503.00 510.67 511.44 0.004286 7.03 810.51 136.23 0.51 Reach -1 19609 500-YR 7100.00 503.00 511.62 512.50 0.004318 7.53 943.06 143.78 0.52 Reach -1 19659 10-YR 3600.00 503.30 509.05 509.88 0.006748 7.29 493.86 110.78 0.61 .h -1 19659 50 -YR 5000.00 503.30 510.24 511.21 0.006439 7.91 632.13 120.97 0.61 19659 100-YR 5700.00 503.30 510.77 511.81 0.0063321 8.18 697.04 125.23 0.61 R 19659 500 -YR 7100.00 503.30 511.70 512.88 0.006251 8.68 817.54 132.79 0.62 Reach -1 19709 10-YR 3600.00 503.60 509.32 509.32 511.33 0.019066 11.37 316.661 78.94 1.00 Reach -1 19709 50-YR 5000.00 503.60 510.50 510.50 512.70 0.018456 11.90 420.05 95.50 1.00 Reach -1 19709 100•YR 5700.00 503.60 510.99 510.99 513.29 0.018176 12.17 468.37 101.87 1.00 Reach -1 19709 500 -YR 7100.00 503.60 511.86 511.86 514.34 0.017715 12.65 561.39 113.12 1.00 HFC -RAC Plan• PnRtPmi- FP -FIS River RIVER -1 Reach_ Reach -1 (Continued) Reach River Sta Profile Q Total Min Ch El W.S. Elev Crit W.S. E.G. Elev E.G. Slope Vet Chnl Flow Area Top Width Froude # C hl (am) (ft) (ft) (ft) (ft) (tuft) fts) (sq ft) (ft) Reach -1 19759 10-YR 3600.00 503.80 510.68 510.68 512.60 0.023785 11.14 323.18 84.00 1.00 ach-1 19759 50-YR 5000.00 503.80 511.74 511.74 513.96 0.022906 11.93 419.05 95.49 1.00 1 19759 100-YR 5700.00 503.80 512.21 512.21 514.55 0.022559 1226 464.88 100.52 1.00 19759 500-YR 7100.00 503.80 513.02 513.02 515.61 0.022320 12.92 549.60 109.27 1.01 Reach -1 119794 10-YR 3600.00 503.90 512.55 512.55 514.38 0.024806 10.85 331.88 91.43 1.00 Reach -1 119794 50-YR 5000.00 503.90 513.58 513.58 515.64 0.023941 11.51 434.49 106.94 1.01 Reach -1 19794 100-YR 5700.00 503.90 514.03 514.03 516.19 0.023505 11.77 484.27 113.76 1.01 Reach -1 19794 500-YR 7100.00 503.90 514.87 514.87 517.16 0.022576 12.15 584.59 127.32 1.00 Reach -1 19944 10-YR 3600.00 505.60 515.88 515.88 517.38 0.0108961 1036 509.781 211.75 0.71 Reacts -1 19944 50-YR 5000.00 505.60 516.80 516.80 518.34 0.010676 11.56 728.32 261.51 0.72 Reach -1 19944 100-YR 5700.00 505.60 517.21 517.21 518.73 0.010361 11.78 840.70 282.16 0.72 Reach -1 19944 500-YR 7100.00 505.60 517.89 517.88 519.42 0.010133 12.27 1043.85 314.15 0.72 Reach -1 20069 10-YR 3600.00 505.80 517.69 518.04 0.002061 5.93 1069.47 268.35 0.34 Reach -1 20069 50-YR 5000.00 505.80 518.64 519.06 0.002349 6.75 1339.34 299.48 0.37 Reach -1 20069 100 -YR 5700.00 505.80 519.00 519.51 0.002772 7.50 1450.07 354.37 0.40 Reach -1 20069 500-YR 7100.00 505.80 519.66 520.23 0.003019 8.14 1692.71 382.42 0.42 Reach -1 20279 10 -YR 3600.00 506.00 518.20 518.26 0.000505 2.65 195100 373.31 0.16 Reach -1 20279 50-YR 5000.00 506.00 519.23 519.32 0.000588 3.10 2356.45 404.70 0.18 Reach -1 20279 100-YR 5700.00 506.00 519.71 519.81 0.000612 327 2552.50 416.40 0.19 Reach -1 20279 500-YR 7100.00 506.00 520.44 520.56 0.000692 3.65 2862.14 434.23 0.20 Reach -1 20479 10-YR 3600.00 506.10 518.18 518.45 0.002083 5.31 1173.88 349.46 0.32 Reach -1 20479 50-YR 5000.00 506.10 519.23 519.51 0.002037 5.67 1560.06 386.46 0.32 Reach -1 20479 100-YR 5700.00 506.10 519.72 520.00 0.001989 5.80 1750.69 40147 0.32 Reach -1 20479 500-YR 7100.00 506.10 520.45 520.76 0.002049 6.17 2057.22 428.44 0.33 Reach -1 20779 10-YR 3600.00 507.00 518.84 519.09 0.002792 5.68 1170.34 396.92 0.36 °- -ach -1 20779 50-YR 5000.00 507.00 519.86 520.08 0.002367 5.67 1590.50 434.61 0.34 1 20779 100-YR 5700.00 507.00 520.32 520.54 0.002228 5.69 1794.82 454.41 0.33 F 20779 500-YR 7100.00 507.00 521.06 521.29 0.002143 5.88 2145.04 486.23 0.33 Reach -1 22510 10-YR 3600.00 511.80 522.38 522.64 0.003042 6.26 1399.46 666.18 0.37 Reach -1 22510 50-YR 5000.00 511.80 523.04 523.28 0.002911 6.42 1858.97 728.79 0.37 Reach -1 2510 100 -YR 5700.00 511.80 523.35 523.57 0.002792 6.43 2086.98 750.11 0.36 R 600-YR 7100.00 511.80 523.93 524.15 0.002555 6.39 2540.631 790.831 0.35 z c 0 m W 520 500 480 460 CLOMR -Sandy Lake &Freeport- Cottonwo, Plan: Post - Project FW 3/20/2013 0 5000 10000 15000 Main Channel Distance (ft) 1 in Horiz. = 3000 ft 1 in Vert. = 12 ft 20000 25000 Legend WS FW _.__._......_.y.- _-------- Crit FW WS 100 -YR Crit 100 -YR Ground LOB ............. _ 11 _ ..... __ ROB HEC -RAS Plan: Post - Proiect River: RIVER -1 Reach: Reach -1 Reach River Sta Profile W.S. Elev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Eric Sta L Ch Ste L Ch Sts R Eric Sta R (ft) (ft) (ft) (ft) (ds) (ds) (ds) (ft) (ft) (ft) (ft) Reach-1 1 100 -YR 461.90 462.95 466.74 1914.60 2362.08 3023.32 1157.00 1183.00 Reach -1 1 FW 461.96 0.06 463.05 376.50 1975.96 2367.81 2956.22 963.50 1157.00 1183.00 1376.50 -ch -1 2 100-YR 462.13 463.25 109.48 7300.00 1103.00 1232.00 .trt 2 FW 462.16 0.031 463.42 95.12 7300.00 854.001 1103.00 1232.00 1210.00 F 3 100-YR 462.29 463.37 110.14 7300.00 110300 1232.00 Reach -1 3 FW 462.62 0.33 463.61 111.43 7300.00 1035.00 1103.00 1232.00 1350.00 Reach -1 4 100 -YR 462.81 463.56 303.92 232.09 6919.46 148.45 1122.00 1233.00 Reach -1 4 FW 463.11 0.31 463.78 270.56 259.36 6801.75 238.89 1025.00 1122.00 1233.00 1350.00 Reach -1 5 100 -YR 464.61 465.81 387.74 2313.83 3238.80 1747.38 1178.00 1210.00 Reach -1 5 FW 464.63 0.02 466.03 270.00 2402.50 3388.14 1509.36 1030.00 1178.00 1210.00 1300.00 Reach -1 6 100 -YR 467.36 467.61 558.62 2431.12 2562.30 2306.58 1177.00 1230.00 Reach -1 6 FW 467.65 019 467.95 346.00 2665.52 2765.96 1868.52 1063.00 1177.00 1230.00 1409.00 Reach -1 7 100-YR 468.05 468.14 858.09 4282.00 791-56 2226.44 1405 -00 1432.00 Reach -1 7 FW _ 468.48 0.43 468.65 509.00 3872.40 1108 -04 2319 -56 1115.00 1405.00 1432 -00 1624 -00 Reach -1 8 100 -YR 468.40 468.54 861.44 698.82 1772.16 4829.02 1369.00 1425.00 Reach -1 8 FW 468.98 0.58 469.20 511.00 552.03 2146.50 4601.47 1289.00 1369.00 1425.00 1800.00 Reach -1 6710 100 -YR 470.13 470.29 770.68 666.52 1135.52 5497.96 1250.00 1286.00 Reach -1 6710 FW 470.79 0.66 470.96 587.00 972.11 1236.70 5091.19 1083.00 1250.00 1286.00 1670 -00 Reach -1 8000 100 -YR 473.26 473.47 700.49 509.89 973.79 5816.31 2817.00 2848 -00 Reach -1 8000 FW 473.66 0.38 473.89 510.00 248.04 1067.15 5984.81 2750.00 2817.00 2848.00 3260.00 Reach -1 9233 100-YR 477.35 477.68 461.04 9.25 1415.12 5275.63 1225.00 1255.00 Reach -1 9233 FW 477.85 0.51 478.34 299.38 34 -31 1697.38 4968.31 1200.00 1225.00 1255.00 1500.00 Reach -1 9475 100 -YR 478.30 479.36 140.00 701.51 3856.62 2141.87 1435.81 1477.72 Reach -1 9475 FW 478.91 0.61 48012 110.00 166.25 4254.28 2279.48 1430 -00 1435.81 1477.72 1540.00 Reach -1 9510 BR D 100 -YR 478.45 479.46 134.00 888.76 3341.37 2469.87 1435.81 1477.72 ch -1 9510 BR D FW 479.01 0.56 480.20 104.00 349.44 3707.17 264339 1430.00 1435.81 _ 1477.72 1540.00 R 9510 BR U 100 -YR 47925 480 -01 134.00 2613.25 2783.05 1303.70 130034 1333.85 Reaw -1 9510 BR U FW 480.17 0.92 48077 134 -00 2629.91 2707.38 1362.71 1230.00 130074 133385 _ 1377.00 Reach -1 9590 100 -YR 479.51 480.12 140.00 2837.26 2440.80 1421.94 1300.74 1333.85 Reach -1 9590 FW 480.36 0.84 480.85 140.00 2862.14 2358.69 1479.17 1230.00 1300.74 1333.85 _ 1377.00 Reach -1 9890 100 -YR 480.381 481.38 380.48 1820.47 4060.85 818.69 1262.00 1307.00 Reach -1 9890 FW 480931 0.55 481.91 238.00 1946.09 4175.25 578.65 1126.00 1262 -00 1307.00 1364.00 Reach -1 10120 100-YR 481.93 482.73 326.60 1824.87 4821.95 53.18 1184.00 1247.00 Reach -1 10120 FW 482.39 0.47 483.03 270.00 2110.30 4580.06 9 -65 980.00 1184.00 1247.00 1250.00 Reach -1 10130 100 -YR 482.00 482.77 329.42 1861.91 4780.65 57.45 1184 -00 1247.00 Reach -1 10130 FW 482.44 0.44 48107 269.00 2129 -26 4556.80 13.94 982.00, 1184.00 1247.00 1251.00 Reach -1 10210 100 -YR 482.59 484.24 284.06 431.05 5101.46 1167.49 - 1 1175.00 1231 -00 Reach -1 10210 FW 482.59 0.00 484.88 142.00 336 -07 5709.51 _ 654.42 1134.001 1175.00 1231.00 1276.00 Reach -1 10470 100 -YR 485.02 485.48 25533 214.71 4687.42 1797.87 1202.00 1284.00 Reach -1 10470 FW 48534 _ 0.72 486.27 194.96 _ 323.06 5259.65 1117.28 1143MI 1202.00 1284.00 _ 1343.00 Reach -1 10655 100 -YR 485.44 485.97 _ 279.26 1353.10 4276 -40 1070.50 1168.00 1231.00 Reach -1 10655 FW 486.16 _ 0.721 486.73 - _ 180.00 1102 -92 4585.94 1011.13 1109.50 1168.00 1231.00 1289_50 Reach -1 10830 100 -YR 485.86 486.68 301.60 1116.17 4662.16 921.67 1200.00 1262.00 Reach -1 10830 FW 486.57 0.71 487.321 180.00 997.25 4680.92 1021.82 1141 001 1200.00 1262.001 1321.00 Reach -1 11030 100 -YR 486.98 487.37 305.31 2929.84 3768.55 1.61 1217.00 1287.00 Reach -1 11030 FW 487.31 0.33 48_8 06 _ 15215 1760.26 4931.41 8.33 _ 1152001 1217.00 1287.00 1352.00_ _ I Reach -1 11230 100 -YR 487.53 487.68 435,471 3052.93 3134.71 512.36 1480.00 1550.00 ,ch-1 11230 FW 488 27' 0.74 488.45 270.00' 2533.70 3466.34 69996 1345.00 1480.00 1550 00 161500 R( 11380 100 -YR 487.59 - -- _ - - 487.90 400.59 1524.53 - - -- 3909.77 265 -70� _ 1284.00 -- 1390 - .00 - Re. 11380 FW 488.38 0.79 488.62 296.00 1846.21 3795.53 58261 1104.00 1284.00 1390.00 1400.00 Reach-1 11880 100 -YR 488.76 0.421 48933 48974 491_17 276.97 693.28 4613.23 393.491 1222.00 130600 Reach -1 Reach -1 11880 12420 FW 100 -YR 489.18 490.38 22600 201.84 859.05 4760.621 80.331 1090.00 1222.00 130600 1316.00 212 81 5051.981 435 .21 j 16200 230.00 HFC -PAR Plan, Post - Proiect River RIVER -1 Reach: Reach -1 (Continued) Reach River Ste Profile W.S. Elev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Enc Sta L Ch Sta L Ch Sta R Enc Sta R (ft) (ft) (ft) (ft) (ds) (cfs) (ds) (ft) (ft) (ft) (ft) Reach -1 12420 FW 490.67 0.28 491.49 108.00 66.80 5225.27 407.93 155.00 162.00 230.00 263.00 Reach -1 12539 100 -YR 490.91 491.49 151.68 2397.48 2521.30 781.21 360.00 385.00 ach -1 12539 FW 491.18 0.27 491.81 111.00 2592.37 2574.04 533.59 290.00 360.00 385.00 401.00 i 12567 100-YR 491.31 491.62 172.50 2800.08 2463.47 436.45 310.00 339.50 F 12567 FW 491.65 0.33 491.95 156.00 2904.95 2481.76 313.29 204.00 310.00 339.50 360.00 Reach -1 12600 BR D 100-YR 491.29 491.66 164.82 2466.52 2749.30 484.17 310.00 339.50 Reach -1 12600 BR D FW 491.63 0.34 491.98 151.00 2526.49 2732.86 440.65 204.00 310.00 339.50 360.00 Reach -1 12600 BR U 100 -YR 491.67 491.76 170.66 1.84 5698.16 182.35 390.85 Reach -1 12600 BR U FW 491.97 0.30 492.07 146.15 2.23 5697.77 167.00 182.35 390.85 332.00 Reach -1 12707 100-YR 491.68 491.76 177.55 3.32 5696.68 182.35 390.85 Reach -1 12707 FW 491.98 0.30 492.08 153.00 4.02 5695.98 167.001 182.35 390.85 332.00 Reach -1 12868 100 -YR 491.55 491.85 303.89 37.00 3230.57 2432.43 120.00 175.00 Reach -1 12868 FW 491.87 0.31 492.16 256.00 2882.17 2817.83 135.00 120.00 175.00 391.00 Reach -1 12957 100 -YR 491.61 492.06 338.87 558.78 5052.44 88.78 221.00 338.00 Reach -1 12957 FW 491.94 0.33 492.35 278.00 524.39 5030.27 145.35 161.00 221.00 338.00 439.00 Reach -1 14600 100-YR 495.40 495.59 418.45 3591.90 1744.87 363.23 1676.00 1721.00 Reach -1 14600 FW 495.81 0.41 496.09 223.00 3717.54 1982.46 1498.00 1676.00 1721.00 1721.00 Reach -1 17970 100 -YR 505.71 506.82 383.54 1676.12 3391.80 632.07 1443.00 1502.00 Reach -1 17970 FW 506.18 0.47 507.55 190.00 988.54 3829.60 881.86 1385.00 1443.00 1502.00 1575.00 Reach -1 18085 100 -YR 507.00 507.28 236.74 83.48 5595.48 21.04 1281.00 1437.00 Reach -1 18085 FW 507.75 0.76 508.02 _ 150.00 26.34 5673.66 1275.00 1281.00 1437.00 1425.00 Reach -1 18125 100 -YR 507.05 507.32 212.79 57.93 5627.62 14.46 1000.00 1150.00 Reach -1 18125 FW 507.81 0.76 508.05 150.00 5700.00 1000.00 1000.00 1150.00 1150.00 Reach -1 18670 100 -YR 507.64 508.12 148.75 5700.00 1000.00 1150.00 Reach -1 18670 FW 508.28 0.64 508.68 145.00 5700.00 1002.00 1000.00 1150.00 1147.00 i 18786 100 -YR 507.93 508.51 137.67 5700.00 1017.00 1191.00 Re 18786 FW 508A9 0.56 508.99 135.00 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18835 BIRD 100-YR 507.93 508.52 137.71 5700.00 1017.00 1191.00 Reach -1 18835 BR D FW 508.49 0.56 509.00 135.00 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18835 OR U 100 -YR 508.38 508.97 13725 5700.00 1017.00 1191.00 Reach -1 18835 BR U FW 508.84 0.47 _ 509.37 134.66 5700.00 1031.50 1017.00 1191.00 117650 Reach -1 18884 100 -YR 508.38 508.98 137.30 5700.00 1017.00 _ 1191.00 Reach -1 18884 FW 508.85 0.46 509.37 134.68 5700.00 1031.50 1017.00 1191.00 1176.50 Reach -1 18969 100 -YR 508.75 509.28 145.59 5700.00 1000.00 1150.00 Reach -1 18969 FW 509.15 0.40 509.62 145.00 5700.00 1002.50 1000.00 1150.00 1147.50 Reach -1 19609 100 -YR 510.67 511.44 136.23 5700.00 _ 1000.00 1150.00 Reach -1 19609 FW 510.79 0.12 511.53 135.00 5700.00 1007.50 1000.00 1150.00 1142.50 Reach -1 19659 100 -YR 510.77 511.81 125.23 5700.00 1246.00 1399.00 Reach -1 19659 FW 510.87 0.10 511,88 125.00 5700.00 1260.00 1246.00 1399.00 1385 -00 Reach -1 19709 100-YR 510.99 513.29 101.87 5700.00 1226.00 1376.00 Reach -1 19709 FW 510.99 0.00 513.29 _ 10187 5700.00 1226.00 1226.00 1376.00 1376.00 Reach -1 19759 100 -YR 512.21 514.55 100.52 5700.00 958.00 1067.00 Reach -1 19759 FW 512.21 0.00 514.55 100.52 5700.00 958.00 958.00 1067.00 1067.00 Reach -1 19794 100 -YR 514.03 516.19 11336 5700.00 _ _ 1388.00 1565.00 Reach -1 19794 FW 513.99 -0.04 516.19 111,17 5700.00 1400.00 1388.00 1565.00 1540.00 Reach -1 19944 100 -YR 517.21' 518.73 282.16 656.74 3849.12 1194.14 137700 1416.00 Reach -1 19944 FW _ 517.14 -0.07 518.66 227.00 659.84 381110 1229.06 1303.00 _ 1377.00 1416.00 1530.00 ch -t 20069 100 -YR 519.00 519.51 35437 135838 3000.79 1340.44 1241.00 1278.00 _ ..aa 20069 FW 518.761 -024 519.55 133.02 1059.72 3377.12 1263.17 1197.13 1241.00 1278.00 133015 _ Reach -1 20279 100 -YR 51_9.81 416.40 3643.78 1930.91 125.311 1340.00 140100 Reach -1 20279 FW ___519.71 519.81 0.09 _ 519.95 228.92 360326 2096.74 1172.08 1340.00 1401.00 1401.00 Reach -1 120479 100 -YR 519.72 520.00 403.47 128181 2538.07 187812 1280.00 1324.00 Reach -1 120479 JFW 519 .76 L _ 0.04 52024 187.19 1025.98 3035.40 1638.62 1202.68 1280.00 1324.00 1389.87 HEC -RAS Plan: Post - Proiect River: RIVERA Reach: Reach -1 (Continued) Reach River Sta Profile W.S. Elev Prof Delta WS E.G. Elev Top Wdth Act Q Left Q Channel Q Right Eric Sta L Ch Sta L Ch Sta R Eric Ste R (ft) (ft) (ft) (ft) (cfs) WS) (S) (ft) (ft) (ft) (ft) Reach -1 20779 100-YR 520.32 520.54 454.41 3953.96 1577.21 168.84 1383.00 1413.00 Reach -1 20779 FW 520.63 0.31 521.00 197.02 3931.89 1768.11 1215.98 1383.00 1413.00 1413.00 �$lh -1 22510 100-YR 523.35 523.57 750.11 2119.24 1505.89 2074.88 1755.00 1779.00 I- 1 22510 FW 524.21 0.86 524.52 313.00 2620.62 1702.05 1377.33 1549.00 1755.00 1779.00 1862.00 LL. o za o �- - cn Po pa Z ca O X W Q ui G J D ULTIMATE CONDITIONS FLOODPLAIN (REVISED EXISTING AND POST -PROD) c 0 a� W CLOMR -Sandy Lake &Freeport- Cottonwood Br Plan: 1, Ex- FP -Ult 3/20/2013 2) PostProj -FP -ULT 3/20/2013 0 5000 10000 15000 20000 Main Channel Distance (ft) 1 in Hori7 = 3000 ft 1 in Vert. = 12 ft Legend WS 100 -ULT - RevEx- FP -Ult Crit 100 -ULT - RevEx- FP -Ult WS 100 -ULT - PostProj -FP -ULT Crit 100 -ULT - PostProj -FP -ULT ■ Ground ............................. .--------------------------------------------------- LOB ............. - ....... .._.................................................................. ROB HEC42AS River RIVERA Reach Raarh -t Reach Reach -1 Reads -1 Reads -1 Reach -1 Rives Sta 1 1 1 1 Profile 002-ULT 002 ULT 100 ULT 100 -ULT Plant RBVEx -FP-Ut Postftj-FP -ULT RevEx -FP Ut PostProj+P -ULT Q Total (ds) 7870.00 7870.00 22468.00 22468.00 Min Ch EI (ft) 45220 452.20 452.20 452.20 W.S. Elev (ft) 463.39 463.39 464.10 464.10 Crit W.S. (ft) 462.05 462.05 464.10 464.10 E.G. Elev (ft) 463.75 463.75 466.05 466.05 E.G. Slope (ftAl) 0.003733 0.003733 0.017975 0.017975 Vel Chni (ftus) 7.40 7.40 17.09 17.09 Flow Area (sq ft) 1859.66 1859.66 2212.83 2212.83 Top Wdth (ft) 491.46 491.46 500.81 500.81 Froude # CM 0.44 0.44 0.97 0.97 F Rea-r1 Reach -1 2 2 2 2 D02-ULT 002 -ULT 100 -ULT 100 ULT RevFx -FP-Ut PostProj -FP -ULT RevEx -FP-Ut PostProj -FP -ULT 2990.00 2990.00 8390.00 8390.00 45220 452.20 452.20 452.20 463.76 463.76 466.11 466.11 463.89 463.89 466.73 466.73 0.000106 0.000106 0.000429 0.000429 2.86 2.86 6.32 6.32 1043.76 1043.76 1327.80 1327.80 115.96 115.96 125.09 125.09 0.17 0.17 034 0.34 Reads -i Reach -1 Reach -1 Reach -1 3 3 3 3 002-ULT 002 ULT 100 -ULT 100 ULT RevEx -F P -Ut PostProj- FP-ULT RevEx -FP -Ut PostProj -FP 11LT 2990.00 2990.00 8390.00 8390.00 452.20 452.20 452.20 452.20 463.77 463.77 466.16 466.16 463.90 463.90 466.78 466.78 0.000106 0.000106 0.000423 0.000423 2.86 2.86 6.29 6.29 1045.04 1045.04 1334.09 1334.09 116.00 116.00 125.19 125.19 0.17 0.17 0.34 0.34 Reach -1 Reach -1 Reads -1 Reach -1 4 4 4 4 002 -ULT 002 ULT 100 -ULT 100 ULT RevEx -FP-Ut PostProj FP -ULT RevEx -FP -Ut PostProj FP ULT 2990.00 2990.00 8390.00 8390.00 452.50 45250 452.50 452.50 463.83 463.83 466.66 466.66 463.92 463.92 466.87 466.87 0.000276 0.000276 0.000573 0.000573 2.47 2.47 4.22 4.22 1574.21 1574.21 3102.88 3102.88 446.40 446.40 623.36 623.36 ReadV-j-- 1 5 002 -ULT 002 -ULT 100 ULT 100-ULT RevEx -FP -Ut PostProj -FP -ULT RevFx -FP -Ut PostProj -FP -ULT 2990.00 2990.00 8390.00 8390.00 454.10 454.10 454.10 454.10 463.90 463.90 467.01 467.01 464.30 464.30 467.35 467.35 0.003205 0.003205 0.002272 0.002272 6.54 6.54 6.91 6.91 852.19 85219 2124.03 2124.03 367.63 367.63 451.21 451.21 1029 Reach -1 6 002 -ULT 002 -ULT 100 ULT 100 -ULT RevFx -FP -Ut PostProj -FP -ULT RevFx -FP -Ut PostProff P -ULT 2990.00 2990.00 8390.00 8390.00 455.60 455.60 455.60 455.60 465.20 465.20 468.05 468.05 465.38 465.38 468.27 46827 0.001449 0.001449 0.0 01414 0.001414 422 422 5.27 5.27 1142.59 1142.59 2627.86 2627.86 455.05 455.05 576.35 576.35 0.30 0.30 Reach -1 Reach 1 Reads -1 Reach -1 7 7 7 7 002-ULT 002 ULT 100 -ULT 100 -ULT RevEx -FP -Ut PostProj FP-ULT RevFx -FP-Ut PostProj -FP -ULT 2990.00 2990.00 8390.00 8390.00 457.30 457.30 457.30 457.30 465.92 465.92 468.64 468.64 465.99 465.99 46872 468.72 0.001428 0.001428 0.000837 0.000837 3.59 3.59 3.54 3.54 1613.94 1613.94 3846.86 3646 771.85 77185 867.98 867.98 0.26 026 O 21 0.21 Reach -1 Reach -1 Reach -1 R�dt -1 8 8 8 8 002-ULT 002 -ULT 100 -ULT 100 -ULT RevFx -FP-Ut PostProj -FP -ULT RevFx -FP -Ut PostProj -FP -ULT 2990.00 2990.00 8390.00 8390.00 458.20 458.20 458.20 458.20 466.45 466.45 468.93 468.93 466.62 466.62 46907 469.07 0.002560 0.002560 0.001376 0.001376 4.67 4.67 4.50 4.50 1.t186 E768,66 0.37 0.37 0.29 0.29 R. Reads -1 Rea-1 ds 6710 6710 6710 6710 002 -ULT 002 -ULT 100 -ULT 100 -ULT RevFx -FP -Ut PostProj-FP -ULT R-- -FP -Ut PostProj -FP -ULT 2990 00 2990.00 8390.00 8390.00 460.60 460.60 460.60 460.60 468.68 468.68 470.48 470.48 468.77 468.77 470.65 470.65 0.002228 0.002228 0.002534 0.002534 3.88 3.88 4.96 4.96 1415.27 1415.27 2777.52 2777.52 692.67 692.67 779.00 779.00 0.30 0.30 0.33 0.33 Reach -1 Reach -1 R eads -1 Reach -1 8000 8000 8000 8000 b62 LT 002 -ULT 100 -ULT 100 -ULT RevEx -FP -Ut PostProj- FP-ULT RevEx -FP -Ut PostProj -FP -ULT 2910.00 2910.00 8710.00 8710.00 463.90 463.90 463.90 463.90 471.61 471.61 473.63 473.63 47174 471.74 473.84 473.84 0.003204 0.003204 0.003382 0.003382 4.29 4.29 5.41 5.41 1174.04 1174.04 2515.14 2515.14 571.52 571.52 714.76 714.76 0.35 0.35 0.37 0.37 Reach -1 Reach -1 Reads -1 Reach -1 9233 9233 9233 9233 002•ULT 002 ULT TOO: ULT 100-ULT RevEx -FP -Ut PostProj -FP -ULT RevEx -FP -Ut PostProj- FP-ULT 2750.00 2750.00 8250.00 8250.00 467.00 467.00 467.00 467.00 475.69 47569 477.64 477.84 474.93 474.93 475.92 475.92 47811 478.21 0.004751 0.004751 0.005038 0.005038 5.56 5.56 7.03 7.03 871.11 871.11 1811.18 181118 405.54 405.54 471.81 471.81 0.42 0.42 0.45 0.45 Reach-1 Reach -1 Reach -1 Reach -1 9475 9475 9475 9475 100 100 002 -ULT D02-ULT -ULT -ULT RevFx FP -Ul PostProj -FP -ULT RevEx -FP-Ut PostPraj- FP-ULT 2750.00 2750.00 8250.00 8250.00 467.23 467.23 46723 467.23 476.52 476.47 47892 478.80 476.76 476.85 479.35 480.16 0.002421 0.002534 0.003855 0.006539 4.78 5.65 7.12 10.82 936.83 619.05 1936.30 360.68 137.00 503.71 0.33 0.36 0.44 0.60 Reach -1 9494 Reads -1 9494 002-ULT 104ULT RevFx -FP -Ut RevFx -FP -Ut 2750.00 8250.00 46728 467.28 476.24 478.56 47856 477.09 482.22 0.001117 0.003325 7.40 15.36 A371,7868.93 0.56 100 Reach -1 9510 Bridge - Reads -1 9526 Reads -1 9526 002 t00-ULT ULT RevFx RevFx -FP -Ut -FP -Ut 2750.00 8250.00 46728 467.28 476.57 482.66 474.05 478.56 477.32 483.72 0.000905 0.000672 6.97 8.65 39427 1290.41 69.63 578.38 0.52 0.47 Reach -1 9590 Reads 1 9590 Reads 1 9590 Reach 1 9590 002 002 100 100 -ULT RevEx -ULT PostProj- ULT RevEx ULT PostProj -FP -FP FP-ULT -FP -Ut -FP -ULT 2750.00 2750.00 8250.00 8250.00 467.40 467.40 467.40 467.40 476.01 476.97 483.93 480.31 475.48 474.12 476.66 478.21 47721 484.04 481.07 0.019064 0.001649 0.000713 0.003125 11.91 4.53 3.99 7.92 231.31 738.49 3521.20 1202971 114.23 208.00 543.83 269.44 0.88 0.29 0.19 0.42 9890 9890 r. 9890 RE. 9890 002 002 100 -ULT RevFx -6LT PostProj -ULT RevEx 00 -ULT PoProj -FP -Ut -FP -ULT -FP -Ut FP ULT 2750.00 2750.00 8250.00 820.00 468.10 468.10 468.10 468.10 479.52 47726 48408 48129 475.86 475.84 479.85 478.86 484.29 482.11 0.002306 0.012622 0.001205 0.005544 5.33 10.16 5.16 9.40 863.67 _ 273.69 2739 94 1536.18 353.83 6933 462.75 400.72 0.33 0.73 0.25 0.52 Reads -1 10120 Reads -1 10120 Reach -1 10120 Reach -1 10120 002 002 104ULT 100 -ULT RevEx -ULT PostProj RevEx -ULT PostProj -FP -Ut -FP -ULT -FP -Ut -FP -ULT 2750.00 2750.00 8250.00 8250.00 468.53 46853 468.53 468.53 480.04 47974 484.33 482.50 480.45 480.22 484.72 483.41 0.002515 0.003025 0.001844 0.004724 5.39 5.77 626 8.95 660.15 58874 206414 1402.051_ 253.361 227 0�4 382.47 341.571 0.35 0 38 0.32 0.50 HEC -RAS River RIVER -1 Reach: Reads -1 Montirwedl Reach River Ste Profile Plan Q Total Man Ch EI W.S. Elev Crit W.S. E.G. Elev E.G. Sbpe Val Chnl Flow Area Top Wdth Froude # Chl (cfs) (fl) (ft) (ft) (ft) (RRt) (ft/s) (sq ft) (ft) Reach 10130 002-ULT RevEx -FP-UI 2750.00 468.53 480.07 480.47 0.002461 5.34 668.19 254.59 0.35 Reach -I 70130 002 ULT PostProj -FP-ULT 2750.00 468.53 479.78 48026 0.002943 5.71 599.05 231.34 0.38 JRPkch-I 'F 10130 100 -ULT RevEx -FP -UI 8250.00 468.53 484.35 484.74 0.001826 614 2072.19 382.80 0.32 -t 10130 100 -ULT PostProj -FP -ULT 8250.00 468.53 482.59 483.45 0.004509 8.79 1430.39 343.55 0.49 I 10210 002 -ULT RevEx -FP -Ut 2750.00 468.66 479.72 477.36 481.13 0.010587 9.58 307.91 104.17 0.66 Rea.. -1 10210 002 -ULT PostProj -FP -ULT 2750.00 468.66 479.43 477.35 481.01 0.011880 10.09 280.10 86.45 0.70 Reach -1 70210 100 ULT RevEx -FP -Uk 8250.00 468.66 484.14 485.20 0.006 67 10.12 1385.82 378.59 0.57 Reach -1 10210 100 -ULT PostProj -FP -ULT 8250.00 468.66 482.97 482.97 484.96 0.013827 13.03 981.59 297.95 0.80 Reads -1 10470 002 -ULT RevEx -FP -Uk 2750.00 469.31 482.04 482.36 0002367 4.73 694.06 214 -15 0.33 Reach -1 10470 002 -ULT PostProj -FP -ULT 2750.00 469.31 482.00 482.32 0.002447 4.78 684.10 213.13 0.33 Reach -7 10470 100 -ULT RevEx -FP -Ut 8250.00 469.31 485.69 486.23 0.002617 6.72 1572.69 262.70 0.37 Reach -1 10470 100 -ULT PostProj -FP -ULT 8250.00 469.31 485.80 486.32 0.002486 6.60 1602.37 263.95 0.36 Reads -1 10655 002 -ULT RevFx -FP -Ut 2750.00 470.63 482.44 482.91 0.003233 5.74 611.72 234.67 0.39 Reach -1 10655 002 -ULT PostProj- FP-ULT 2750.00 470.63 482.41 482.88 0.003312 5.79 604.07 234.19 1 0.39 Reach -1 10655 100 -ULT RevEx -FP -Ut _8250.00 470.63 486.15 486.77 0.003168 7.57 1583.48 308.42 0.41 Reach -t 10655 100 -ULT PostProj -FP -ULT 8250.00 470.63 486.24 486.83 0.003033 7.45 1611.16 310.71 0.40 Reach -1 10830 002 -ULT RevEx -FP -Uk 2750.00 471.18 482.99 48332 0.005764 7.00 455.72 179 -38 0.50 Reach -1 10830 002 -ULT PostProj -FP -ULT 2750.00 471.18 482.97 483.71 0.005833 7.02 452.74 178.35 0.50 Reach -1 10830 100 -ULT RevEx -FP -Uk 8250.00 471 -18 486.64 487.47 0.004765 8.71 1404.95 325.08 0.49 Reach -1 10830 100 -ULT PostProj -FP -ULT 8250.00 471 -18 486.71 487.51 8.59 1426.66 326.98 _ 0.48 Reach -1 11030 002 -002 RevEx -FP -Uk 2750.00 471.01 484.05 484.36 779.96 224.27 0.30 Reach -1 11030 002 -ULT PostProj -FP -ULT 2750.00 471.01 484.05 484.35 AO.GO1896 77857 224.15 0.30 Reach -1 11030 100 -ULT RevEx -FP -UI 8250.00 471.01 487.72 48815 1774.63 320.90 0.37 Reach -1 11030 100 -ULT PostProj -FP -ULT 825000 471.01 487.75 488.18 1783.30 321.46 0.36 Reach -1 11230 002 -ULT RevEx -FP -Uk 2750.00 _ - 472.50 484.52 484.62 0.000601 2.93 1409.06 351.01 0.18 Reach -1 11230 002 -ULT PostProj-FP -ULT 2750.00 472.50 484.52 484.61 0.000603 _ 2.93 1407.48 350.88 _ 0.18 Reach -1 11230 100 -ULT RevEx -FP -Ut 8250.00 472.50 488.31 488.48 0.000793 4.32 2939.79 457.50 0.22 Reach -1 11230 100 -100 PostProj -FP -ULT 8250.00 472.50 488.33 48850 0.000787 4.31 2949.05 458.07 022 Reach -1 11380 002 -ULT RevEx -FP -Ut 2750.00 _ 471.80 484.41 484.97 0.007069 6.14 503.94 208.86 0.53 Reads -1 11380 002 -ULT PostProj -FP-ULT 2750.00 471.80 484.41 484.97 0.007091 6.15 502.85 208.48 0.53 " -ch -1 11380 100 -ULT RevEx -FP -UI _8250.00 471.80 488.33 488.78 0.003131 6.30 1857.18 42247 0.39 , -1 11380 100-ULT PostProj -FP -ULT - 8_250.00 _ 471 -80 488.35 488.79 0.003094 6.28 1865.90 428.21 0.39 Ir _ f R. 11880 002 -ULT RevEx -FP -Ut 2750 -00 471.78 486.70 487.07 0.002748 4.98 649.11 217.42 0.35 Reach -1 11880 002 -ULT PostProj -FP -ULT 2750.00 471.78 486.70 48207 0.002748 4.98 _ 649.07 0.35 Reach -1 11880 100 -ULT RevEx -FP -UI _- _ _ 8250.00 __ 471.78 489 -82 _ 490.57 0.003991 7.87 1467.47 _217.41 307.88 0 -45 Reach -t 11880 100 -ULT PostProj -FP -ULT 8250.00 471.78 _ 489.82 _ 490.58 0.003980 7.86 1469.17 308.05 0.45 _. Reach -1 12420 002 -ULT RevEx -FP -Uk _ 2750.00 _- 474.52 488.04 488.46 0.002405 526 552 -02 107.14 0.34 Reach -1 12420 002 -ULT PostProj -FP -ULT _ 2750.00 474.52 488.04 _ 488.46 0.002405 5.26 552.02 _ 107.14 _ 0.34 Reach -1 12420 100 -ULT Rev Ex -FP -Ut _ 8250.00 474.52 491.71 492.69 0.003860 8.68 1219.99 244.09 0.46 Reach -1 12420 100 -ULT Pos," -FP -ULT 8250.00 - 474.52 491.71 49269 0.003858 8.68 122029 244.12 0.46 Reach -1 12539 002 -ULT RevEx -FP -UI - 2750.00 47474 488.30 483.31 488.71 0.001887 5.46 594.30 22426 0.31 Reach -1 12539 002 -ULT PostProj-FP -ULT" - 2750._00 _- 47474 488.39 488.67 0.001263 4.43 697.28 105.74 022 Rea-1 ch 12539 100 -ULT Rev Ex -FP -Ut 8250.00 474.74 492.60 489.12 492.97 _ 0.001262 5.68 1997.21 397.00 0.27 Reach -1 12539 100 -ULT PostProj -FP -ULT 8250M 474.74 49219 493.06 0.002976 8.11 12251 0 177 -89 0 -35 Reach -1 12567 002 -ULT RevEx -FP -Uk 2750.00 474.83 488.56 488.78 0.001440 4.10 80915 238.96 0.27 Reach -1 12567 002 -ULT PostProj -FP -ULT 2750.00 474.83 488.57 483.52 488.73 0.000259 4.02 1066.50 167 -48 0.21 Reach -1 12567 100 -ULT RevEx -FP -Ut 8250.00 474.83 492.72 493.04 0.001173 _ 4.99 2099.30 405.00 0.26 Reach -1 12567 100 -ULT PostProj -FP -ULT 8250.00 474.83 492.79 _ 486.90 49324 0.000523 7.00 1794 -46 200.39 0.31 Reads -1 12595 002 -ULT RevEx -FP -Uk __2750.00 475.20 488.52 482.89 488.85 0.000323 4.56 602.74 97.82 0.31 Reach -1 12595 100 -ULT RevFx -FP -UI 8250.00 475.20 492.59 488.18 493.21 0- 000435 6.74 1538.81 363.07 ___ 0.39 Reach -1 12600 Bridge - __-rt- . - - - - -- -- - - - - -- -- -- -- Reach -1 12661 002 -ULT RevFx -FP -Uk 275000 - 475.40 488.84 481.25 488.99 0.000557 3.11 884.99 164.36 018 Reach -1 12661 100 -ULT RevEx -FP -Uk 8250.00, 475.40 493.87 485.13 49429 0.001600 5.35 _ 188318 _ 483.66 _ 0.30 Reads -1 12707 002 -ULT RevEx- FP -Ult 2750.00I 475.40 488.98 489.01 0.000097 1.39 2001.54 - 216.07 0.08 Reach -1 12707 002 -ULT PostProj -FP -ULT 2750 00 40 48877 -- 478.79 488.80 0.000029 1.46 1880.94 170 50 _ 0.08 Rea &-1 1 707 100 -ULT RevEx -FP -UI ._ 8250.00 _475 475.40 494.24 - 494.34 0.000200 2.61 3777 21 _. 51741 - 0.12 Reach -1 12707 100 -ULT Poster " -FP -ULT _. 825000, _ 475.40 - 493.32 481.32, 493.47 0.000088 3.09 ___ 268316 222,31 - 0.14 - ' kr Rem Reach -1 Reach -1 ea - 12868 12868 12868 12868 12957 7 002 -ULT 002 -ULT 100 -ULT 100 -ULT 002 -ULT 002 -ULT RevEx -FP -Uk _. PostProj -FP -ULT RevEx -FP -Uk _ PostPro -FPULT 1 RevEx -FP -Uk PostProj -FP ULT_ 2750 00 _.. 2750 _ 8250_00 -- 8250.00 2750.00 2750 00 476.69 47669 47_669 -47669 476.81 476 81 488 -91 48867 _494.19 - 493.21 488.94 488 71 -- -� -- 489.09 48886 _ '_ 49444 493.56 _+ 489.281 489.09 -00 0.001163 0001313 0.001078 -0001610 _- . __0.002967_ 0.003437 - 3.93 413 _ 525 _ 6 10 _ 4.71 4 95 - -- 947.82 195 15 0.24 90113! 19023 025 - -- 258127 4.6_074 t -- -- + _ 0.25 2158 54 394 61 0.30 _ 599.15 15220 0.36 i -�- -- 141241 I Reach-? _ 12957 _. .. 100 -ULT RevEx -FP -UI - -- - -- -- _ __ 8250.00 - 47681 -- -- 49426 -- _ _ 494.55 - -" 0.001308 _ � �! 4.94 - .564.93 -- 2412.58 54753, 027 HEC -RAS River RIVER -1 Reach: Reach -1 (Continued) Reach River Sta Profile Plan Q Total Min Ch EI W.S. Elev Crt W.S. E.G. Bev E.G. Slope Val Chnl Flow Area Top Width Fronde # Chl (Cfs) (ft) (ft) (ft) (ft) (ftmt) ON (sQ ft) (ft) Reach -1 12957 100 -ULT PostProj- FP-ULT 8250.00 476.81 493.30 493.75 0.002150 5.93 1914.90 479.96 0 -34 Reach -1 14600 002 -ULT RevEx -FP -Uk 2750.00 486.40 493.19 493.34 0.001947 420 1043.64 343.32 0 -31 ch -1 14600 002 -ULT PostPrcj-FP -ULT 2750.00 486.40 493.21 493.37 0.001902 4.16 1052.74 344.23 0.30 "`ph -1 14600 100 -ULT RevEx -FP-Uk 8250.00 486.40 496.81 49203 0.001591 5.23 250930 461.95 0.30 14600 100 -ULT PostProj -FP -ULT 8250.00 486.40 496.75 496.98 0.001638 528 2482.65 460.17 0.30 Re.-A 17970 002 -ULT RevEx -FP -Uk 2750.00 497.00 504.52 504.52 505.43 0.012393 8.62 490.89 300.31 0.73 Reach -1 17970 002 -ULT PostProj -FP -ULT 2750.00 497.00 504.51 504.51 505.40 0.012352 8.48 490.62 299.46 0.72 Reach -1 17970 100 -ULT RevEx -FP-Uk 8250.00 497.00 506.43 506.43 507.73 0.014614 11.91 1192.88 430.58 0 -84 Reach -1 17970 100 -ULT PostProj -FP -ULT 8250.00 _ 497.00 506.40 506.40 507.71 0.014787 11.84 1182.43 428.55 0.84 Reach -1 18085 002 -ULT RevEx -FP -Uk 2750.00 495.40 50564 505.74 0.000439 2.51 1118.16 194.09 0.17 Reads -1 18085 002 -ULT PostProj -FP -ULT 2750 -00 495.40 505.61 505.70 0.000446 2.52 1111.41 193.00 0.17 Reach -1 18085 100 -ULT RevEx -FP -Uk 8250.00 495.40 507.82 508.29 0.001511 5.58 1616.58 262.63 0 -32 Reach -1 18085 100 -ULT PostProj -FP -ULT 8250.00 495.40 507.80 508.28 0.001522 5.59 1611.63 262.03 0.33 Reach -1 18125 002 -ULT RevEx -FP -U1 2750.00 495.80 505.66 505.75 0.000369 2.42 1151.29 182.34 0 -16 Reach -1 18125 002 -ULT PostProj-FP -ULT 2750.00 495.80 505.63 50572 0.000374 2.43 1145.04 181.60 0 -16_ Reach -1 18125 100 -ULT RevEx -FP -U1 _ 8250.00 495.80 507.89 508.35 0.001345 5.49 1615.50 239.43 0.31 Reach -1 18125 100-ULT PostProj -FP -ULT 8250.00 495.80 50288 508.34 0.001354 5 -50 1611.19 238.86 0 -31 Reach -1 18670 002 -ULT RevEx -FP -Uk 2750 00 498.40 505.92 506.11 0.001073 3.48 _ 790.25 135.04 025 Reach -1 18670 002 -ULT PostProj -FP -ULT 2750.00 498.40 505.89 506 -08 0.001088 3 -50 _786.19 134.80 0.26 Reach -1 18670 100 -ULT RevEx -FP -Uk 8250.00 498.40 508.75 509.48 0.002767 6.88 1204.65 161.18 - . 0.43 Reach -1 18670 100 -ULT PostPrcj-FP -ULT 8250.00 498.40 50873 509.47 0- 002782 6.89 1202.70 161.03 0.43 Reach -1 18786 002 -ULT RevEx-FP -U1 2750.00 499.00 506.06 50631 0.002320 4.01 685.44 122.07 0.30 Reach -1 118786 002 -ULT PostProj -FP -ULT 2750.00 _ 499.00 50604 506.29 0002349 4.03 682.02 121.84 0.30 Reach -1 18786 100 -ULT RevEx -FP -Uk 8250.00 499.00 509.13 510.00 0.006358 7.51 1098.55 147.71 0.49 Reacts -1 18786 100-ULT PostProj -FP -ULT 8250.00 499.00 50912 509.99 0006380 7.52 1097.07 14763 0.49 Reach -1 18835 -- Bridge Reach -1 18884 002 -ULT RevEx -FP -Uk 2750.00 506 -29 502.90 506.57 0.002628 4.22 65234 119.78 0.32 Reach -1 18884 002 -ULT PostProj -FP -ULT 275000 _499.50 499.50 506.27 502.90 506.54 0.002658 4.24 _ 649.34 119.57 0 -32 Reach -1 18884 100 -ULT RevEx-FP -Uk 8250.00 499.50 50977 506.10 510.61 0- 006054 7.37 1120.11 14&93 0.47 Reach -1 18884 100 -ULT PostProj -FP -ULT 8250.00 499.50 509.76 506 -10 _ 510.61 0.006069 7.37 1118.99 148.86 - - _ 0 -47 18969 002 -ULT RevEx -FP -Uk 2750.00 499.90 506.48 506.75 0.001748 4.12 666.84 12254 0.32 18969 002 -ULT PostProj -FP -ULT 2750.00 499.90 506.46 506.73 0.001770 4.14 663.97 _127.36 0.32 R 18969 104ULT RevEx -FP -Uk 8250.00 ___ 499.90 510.24 _ 510.97 0.002777 6.88 120527 - _163.89 _ 0.43 Reach -1 18969 100 -ULT PostProj -FP -ULT 8250.00 499.90 510.23 510.97 0.002784 6.89 1204.28 163.85 0.43 .. Reach -1 19609 002 -ULT RevEx -FP -Uk 2750.00 503.00 508.04 508.55 0.004562 5.73 479.85 115.25 - 0.49 Reach -1 19609 002 -ULT PostProj -FP -ULT 2750.00 508.04 508.55 0.004581 574 479.15 _115.20 _._ _ 0.50 Reach -1 19609 100 -ULT _ RevEx -FP -Uk 8250.00 _503.00 503.00 512.30 51327 0.004391 7.92 104228 149.19 _ 0.53 Reach -1 19609 100 -ULT PostProj- FP-ULT - 8250.00 503.00 512.30 513.27 0.004394 7.92 _ 1042.01 149.17 _____0_53 Reach -1 119659 002 -ULT RevEx -FP -Uk 2750.00 -30 508.20 50892 0.007094 6.83 402.47 _ _- 103.39 0.61 Reach -1 19659 002 -ULT PostProj -FP -ULT 275000 _ __503 503.30 508.19 508.92 0.007121 6.84 401.93 103.34 _0.61 Reach -1 19659 100 -ULT RevEx -FP -Uk 8250.00 503.30 _ 512.37 513.65 0.006273 9.08 908.30 138.22 0._62 Reach -1 19659 100 -ULT PostProj -FP -ULT 8250.00 503 -30 512.37 513.65 0.006277 9.09 908.06 13820 _ 0.62 Reach -1 19709 002 -ULT RevEx-FP -U1 2750100 503.60 508A81 508.48 510.29 0.019710 10.80 254.71 70.38 _ _1.00 Reach -1 19709 002 -ULT PostProj -FP -ULT _ _ 2750001 503.60 508.48 508A8j 510.29 0.019712 10 -80 254.70 70.38 1.00 Reach -1 19709 100 -ULT RevEx -FP-Uk 8250.00 503.60 512.48 512.48 515.11 0.017368 13.02 633.85 _120,54 1.00 Reach -1 19709 100 -ULT PostProj -FP -ULT 8250.001 - -- --4 503.60 - - -- 512.48 512.48 -- 515.11 0.017368 13.02 633.85 - 120.54 1.00 - -- Reach -1 19759 002 -ULT RevEx -FP -Uk 2750.00 503.80 509.89 509.89 511.62 0.024647 _ 10.55 260.75 75 -58 _ 1.00_ Reach -1 19759 002 -ULT PostProj -FP -ULT 2750.001 503.80 509.89 509 -89 511.62 0.0_24648 10.55 - 260.75 75.58 _ 1.00 Reach -1 19759 100 -ULT R.Ex -FP -Uk 8250.00 503.80 513.60 513.60 516.41 0.020890 - 13.45 615.78 _ _ 117.16 - - 1.00 -- Reach-1 19759 100 -ULT PostProj -FP -ULT - 8250.00 - --- 503.80 513.60 51160 516.41 0.020890 13.451 61578 117.16 1.00 Reach-1 19794 002 -ULT 2525.00 503.90 511.53 511.53' 513.16 0.025809 10.23 2_46.83 76.20 _ 1.00 Reach -1 19794 002 -ULT T 2525.00 503 -90 511.53 511.53 _ 51316 0.025812 1023 246.82 76.20 1.00 Reach -1 19794 100 -ULT 6960.00 503.90 Sts 59 514.71 517.19 0.016784 10.14 686.30 157.49 6 0.86 Reach-1 19794 100-ULT T W _ 696000 __ 503 -90 515.59 514.71 51719 0016784 10.14 - -__- 686.30 157.49 ,0.86 Reach -1 19944 002 -ULT 2525.00 505.60 514.51 514.51 516281 0.014903 10.91 277.55 124.59 0.81 Reach -1 19944 002 -ULT PostProj -FP -ULT 252500 505.60 514.51 514.51 51628 0014903 1091 277.55 12459 0.81 Reach -1 19944 100-ULT RevEx -FP -Uk 6960.00 505.60 517.82 517.821 519.361 0.010217 1216 1022.23 _ 312.20 _ _ 012 Reach -1 19944 100-ULT PostProj -FP -ULT 6960 -00 505.60 517 82 517 82 51636 0 010217 12.26 102223 312.20 072 1 - ' k Re, Reach -1 20069 20069 20069 20069 002 -ULT 002 -ULT 100 -ULT 100 -ULT RevEx -FP -Uk PostProj -FP -ULT RevEx -FP -Uk PostProj -FP -ULT 2525.00 252500 6960.00 6960.001 - ____ - 505.80 505.80 505.80 505.80 506 00 - -- 506.00 516.68 516.68 519.61 519.61 _ 517.13 520.37 - -y 516.97 516.97 520.17 520.17 517.17 52049 0.001882 0.001882 0.002985 0.002985 0.000445 0.000683 5 25 5.25 8.071 8071 2 27 3.61! 814.09 814.09 1672.02 1672.02 _ 15_71.29 1571.29 2834.63 235 131 235,131 38011 380.11 _ 339021 339 02 43268 0.32 0.32 0.42 0.42 j _ - -- 0.15 _ 0.15 0.20 Reach-1 20279 Reach -1 Reach-1 20279 20279 002 -ULT 100 -ULT PostProj FP -ULT - - - Rev Ex FP UI - 2525 001 6960.001 HEC -RAS River RIVER -1 Reach: Reach -1 ICcntinuedl Reach River Sta Profile Plan Q Total Min Ch EI W.S. Elev Cr@ W.S. E.G. Elev E.G. Slope Val Chnl Flow Area Top Wdth Froude # Chi (Cfs) (ft) (ft) (ft) (ft) (ftlft) (fVs) (sQ ft) (ft) Reach -1 20279 100 -ULT PostProj -FP -ULT 6960.00 506.00 520.37 520.49 0.000683 3.61 2834.63 432.68 0.20 Reach -1 20479 002 -ULT RevEx -FP-Ut 2525.00 506.10 517.10 51736 0.002169 4.94 830.90 280.21 0.32 1 20479 002 -ULT PostProj- FP-ULT 2525.00 506.10 517.10 517.36 0.002169 4.94 830.90 280.21 0.32 111-1 20479 100 -ULT RevEx -FP -UA 696000 506.10 52039 520.69 0.002039 6.13 2029]2 426.32 0.33 20479 100 -ULT PostProj -FP -ULT 6960.00 506.10 520.39 520.69 0.002039 6.13 2029.72 426.32 0.33 Rb 1 20779 002 -ULT RevEx -FP -Ut 2525.00 507.00 517.83 518.14 0.003720 5.97 787.36 348.53 0.41 Reach -1 20779 002 -ULT PostProj- FP-ULT 2525.00 507.00 517.83 518.14 0.003720 5.97 78736 348.53 0.41 Reach -1 20779 100 -ULT RevEx -FP -Ut 6960.00 507.00 520.99 521.23 0.002154 5.87 2112.92 48533 0.33 Reach -1 20779 100-ULT PostPfOj -FP -ULT 6960.00 507.00 520.99 521.23 0.002154 5.87 2112.92 485.33 0.33 Reach -1 22510 002 -ULT RevEx -FP-UI 2525.00 511.80 521.83 522.10 0.002880 5.83 1049.27 605.41 0.36 Reach -1 22510 002 -ULT PostProj -FP -ULT 2525.00 511.80 521.83 522.10 0.002880 5.83 1049.27 605.41 0.36 Reach -1 22510 100 -ULT RevEx -FP -UA 6960.00 511.80 523.88 524.09 0.002568 6.39 2498.69 787.15 0.35 Reach -1 22510 10C -U! .T PostProj -FP -ULT 6960.00 511.80 523.88 524.09 0.002568 6.39 2498.69 787.15 0.35