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Floodplain- PT120705 T 14 E • C 1 T Y • O R comii x A ,, 3, ...,.,:i„. \ . „ -=, --r-L11- 4 :a l s FLOODPLAIN DEVELOPMENT PERMIT PERMIT NO. 07'0312 4 NAME OF PERMITEE: 'L soua E Don-t.,1/4.tt9t c...4aL 1 INIc-. The above named permitee applied for a FLOODPLAIN DEVELOPMENT PERMIT on Dent()h Cr e.e_K . The application has been reviewed by the FLOODPLAIN ADMINSTRATOR and it has been determined that the proposed development is located within an identifiable floodplain of: pewro1J eREEK/ ELM ro2K OF 111t112.IWT -- The FLOODPLAIN ADMINISTRATOR has reviewed plans and specifications of the proposed development for conformance with the development standards required by COPPELL Floodplain Ordinance #94639. You are hereby authorized to proceed with the following described work: Wb►2K AS DsCRlBED /nl "l,Eire-it 6 /YJg,P RE051orsi R6-6)u2' T rF b12, kt-V'E)2 OAKS ASS-iSTe-D LtVIni& 4' r1C-nlDraycam 014 EL,m rol2k or T/ - T/ 1hiIry'el Ve. CoPPEL[-,7x "/VS sety(i rt D By MOR21.5on( I41DP.oL,oCry5/7/l2 • To maintain compliance with the development standards of COPPELL Floodplain Ordinance #94639 and to eliminate or minimize flood damage potential to the proposed development, you are hereby directed to construct your proposed development in accordance with the following special provisions: (V Compliance with the development standards of Coppell Floodplain Ordinance#94639 including but not limited to: • For residential structures, the lowest floor(including basement) must be elevated to two (2) feet above the 100- year base flood elevation or one (1) foot above ultimate condition whichever is higher. Certification of the lowest floor must be submitted from a registered professional engineer, architect, or land surveyor. • For non-residential structures, the lowest floor (including basement) must be elevated or floodproofed to two (2) feet above the 100-year base flood elevation or one (1) foot above ultimate condition whichever is higher. Certification that the floodproofing methods are adequate to withstand the flood depths, pressure, velocities, impact and uplift forces and other factors associated with the base flood must be submitted from a registered professional engineer or architect. • For fill activities, the permittee must submit certification from a registered professional engineer or land surveyor that the level of the compacted fill materials is at or above the elevation of the Base Flood. (V Certified copy of all final plans or As-Built Drawings must be submitted to the FLOODPLAIN ADMINISTRATOR. ( ) OTHER PR•VISIONS: / • ,. . 4 it ,JHru- i D. SwAn.,—. X15 l t Acknowledg:ment o onditions b'l,ermittee Printed Name ate Kt)," �g�t-Uy 7/3//?— Sign re of FLOOD L N ADMINISTRATOR Printed Name Date CDC Tracking Code: t' QS-6S I CDC APPLICATION CHECKLIST APPLICATION FORMS V Application Form Part 1 Application Form Part 2 MAPS VLocation map V Hydraulic Work Map (Al re ) Site map Project boundary in digital format CDC MODEL FILES ‘/ Pre-Project conditions and With-Project conditions models in digital format CC(yU S Ltt) ' Hard copy printouts and plots of cross-sections and water surface elevation profiles for 100 year flood and SPF for Pre-Project and With �-Pro t conditions CS �, cp wt,G) Technical Report S"VI„) COST RECOVERY FEE $5,730 for effective flow arca V $3,250 for ineffective flow arra $0 for exempted projects a Corridor Dcvdopmcnt Catif icatc Manual 44 Edition Page 3-6 CDC Tracking Code C o PCS SD n t? G CDC APPLICATION - PART 1 To be completed by Applicant or Applicant's representative and submitted to the appropriate local CDC./Floodplain Administrator. Attach additional pages as necessary. This application is considered public information and will be distributed to federal,state,and local governmental agencies as outlined in the CDC ManuaL 1. APPLICANT INFORMATION Applicant's Representative. Identify person knowkdgeabk of and authorized to respond to questions concerning data provided by the Applicant. Name. eQOValell Va'. Mc()rrl3n t We.) dfM Relationship to Applicant tib/►tis U tt31(1t Address: Moms s D h 4ticirolociti 1-LC glop tr rpr, 1N' ez Vk 1 710 Telephone: 2 -S -lj 3 FaX 14_ 154 - 1 E-mail: r fr tSan m tei,y d rt. , co vrt CDC Applicant: S%GNI Picru 'r.l 1 ckz L is/t n.1C.1/4 Project Name. r Oaks ;15;15-keel 'Ma Me_t -j Care, *otc.4 bitt Property Owner: WE'1Ee. YAC< city/county. Co el t l 7:4 t115 Ca. Text Engineer: CID Y1't?y e r t t.Y1eP let , TJ1 C. 4" Project Size(total acres): I , 3'39 Corridor Dcvdoprncnt Certificate Manual 46 Edition Page 3-7 CDC Tricking Cade: C D e D Sz) — 2. LOCATION Provide general description of location,including street address,nearest cross street,and identified impacted water bodies: — 'roHot Site Loi' 1k I Sl�na}> !-Iv t"°1 a+ 'fie 'Den fbn C4) C(ele Add L rt I9 t , � toF l°oeptu, 'PQIIaS a , .... "rex a6, •�� Crani Location Reference Latituddlongitude of project centroid(to six decimal places). Can be found using DEM/maps-corn: 32° 57i.'' N at , VG,c('.57"1141 Project boundary in digital format(if available) 3. PROPOSED PROJECT Proposed Activity.(check appropriate categories) 0 dredge/channel modification ❑swale construction • Bfill ❑levee ❑bridge/river crossing other(include explanation here) EK eAkIa 1 Proposed Use:(check appropriate categories) ❑private single dwelling(s) ❑private multi-dwelling(s) ❑public ❑commercial ❑industrial M'ocher (include explanation here) Q s‘5i&i- U\I I V1 a corridor Dcvdopmaa Certificate Manual 4'k Edition Pio 3-8 CDC Tracking Codc C3-c) ?lL—ca\ Brief description of project: This project includes fill and excavation at the site.The site was partially filled as a result of a 1997 CDC approval,but none of the excavation was completed.The fill computations shown in this report are based on the current CDC model,and therefore does not include the 1997 partial fill since this was not offset with excavation. Fill Quantity: 12,840 CY and Excavation Quantity: 12,975 CY The project has no impact to the 100 year floodplain elevation and the fill and excavation is balanced so there is no loss of storage. The project has no impact to the SPF condition. 4. PROJECT LOCATION WITH RESPECT TO INEFFECTIVE FLOW AREA 0 Not located entirely within an ineffective flow area ❑ Located entirely within both the 100-year and the SPF ineffective flow area se Located entirely within the 100-year ineffective flow area only 5. VERSION OF HEC-RAS USED IN THE ANALYSIS: 9"•t. 0 a Corridor Development Certificate Manual 4th Edition Poet 3-9 CDC Tracking Code: ()LDS()cc? I �� 6. EXEMPTIONS AND VARIANCES Exemption Category(check if applicable-additional documentation may be required) ❑ Maintenance,repair,or identical replacement of existing infrastructure ❑ Outfall structures where the outfall has been permitted under the Federal NPDES or State TPDES program ❑ Intake structures ❑ Discharge of material for backfill or bedding for utility lines,provided that no significant change occurs in pre-existing bottom contours and excess material is removed to a disposal area out of the Regulatory Zone ❑ Bank stabilization activities provided that no significant change occurs in pre-existing bottom contours and excess material is removed to a disposal area out of the Regulatory Zone ❑ Small-scale projects that cause minimal change in ground surface elevation and no decrease in hydraulic conveyance and valley storage for the 100-year flood ❑ Temporary construction-related activity ❑ Specific Prior Development - The existing development projects as defined in Section L7 DEFINITIONS AND ACRONYMS of this Manual and listed in Appendix B.3(also referred to as Grandfathered Projects). Applicant requests a Variance to Common Permit Criteria: ❑Yes belle (If yes,please explain supporting information here) ;'w i Corridor Dcvdopnrcnt Certificate Manual 4a Edition Page 340 CDC TrackingCode:CO PC� Sa d') 7 -c� CDC APPLICATION - PART 2 Detailed Hydrologic and Hydraulic Information To be completed by Applicant or Applicant's representative and submitted to the appropriate local CDC/Floodplain Administrator. Attach additional pages as necessary.This application is considered public informationand will be distributed to federal,state,and local governmental agencies as outlined in the CDC Manual.. 100-YEAR FLOOD Parameter Location Pre-Project With-Project Change Dovvnstresun Boundary Discharge . .. c a se�don jB) 43 cfs `T3 7eo da 0 n/a 43 Upstreamikaindary(UB) 000 gb0n/a O n/a cross-section 1594-o • Channel Downstream Boundary611 velocity -section °t32�`1 ro! "1. I fps O fps Upstream BoutAarL moss-section t i To 1 ,�� i Water (i Elevation K feet downstream of DB �3 46 fN(NOVO) cross-section C'3 2 z i ft ft Q ft �' j,�i'� 4 5 feet downstream of DB � AA cross-section `t , fc1 tet ft h . Down=B1q7 oundry �4- -3.4'i.,h 44.3, 41 oft Mia-project 443. r cross-section 433c� t0�. ft 3. *ft 0 ft CorridorDCVdopmart Certificate Manual 4'''Edition Page 3-11 CDC Tracking Code: C6S-Cyz3 m� . �4 ,b6 A44, 66 h cross-section ; ¢a ft feet upettram:af DB -1 1 d b E7 ft T4S�•4-ft © ft erose ► Vgfeet upstream of UB cross- ' section a1(7.8 441+677 ft +41 vfq ft 4 ft feet uctrt0 strB es- 441, +4 ft 41,44- ft o ft 'a 4 4rfeet uptown of UB I rei.j 2- ac 5, -7 9 ac + 2,5 S ac Floodplain Valley Storage on Project 135, ac-ft t 3E,/ ac-ft p ac-ft Lands 4C5:61414179.411 Sq�9'M - GS bZ417 - Total ValleyStorage , Changeb ac-ft Valley � • ' - .O % Change Corridor Dacl tCatl�cattMma+o146Edition: . . . ..- Pop 3-I2 CDC Tracking Code: Co P c.3 I Z—Ej 1 STANDARD PROJECTFLOOD(SPF) Parameter Location Pre-Project With-Project Change Downstream Boundary(DB) Dischargecross-section �29 Zc� ��Zo o n/a © n/a Upstream Boundary(UB) q^ pp truss-section ct 3 ml 1419 19 f-0 0 � t l 2 OD n/a © n/a Channel Downstream Boundary Velocity cross-section 9 Z.2411 5,68 fps 5. 7e fpe fps Upstream Boundary g 3 C � 3` � f.138 ,O � cross-section 13944 Water Surface feet downstream B Elevation cross-section2t � 4-1-9, ft 41.4'6 ft C ft (NGVD) feet downstream of DB cross-section q 31 R7 4-49,49 ft A41,47 ft Oft Downstream Boundaryt� tay russ-section. 7 �-p`'`j ' ft +111,47 ft 0 ft Mid-project section 3....V11 i , ` h 4. 1 ' y_I ft o f< Upstream Boundary cross-section 361 C) 404112, ft 441112—ft Oft LIT-feet upstream of DB cn93401 4-1-1,51 f< . ft Oft CorridorDcvdopmentCcrtificatcMaul4''Edition Pigr3-l3 CDC Tracking Code: C6 e OUB IZ —U 3118 feet upstream of UB cross- section Q 1 $ 4"50.22.ft +50.21 ft - . 0 , ft feet upstream of UB cross- on I/1 t R 4.510. 1.5 ft 4-50 }4 ft -r ft upstream of UB cross-section Bit Ac4 5-0, 65-- ft 450 dog.g. ft --,o f ft LandsPmjectln (1. 3 \ ac I I .3° ac p ac Floodplain Valley Storage onProject 'L 104133ac-ft �O*I,4x-ft 6v 1°C ac-ft Lands C. 411211-q o Total Valley Storage Change 6I ac-ft Valley Storage Percent 0,5 % Change Corridor Development Certificate Manual 4th Edition Pcgc 3-14 CDC TrackingCo& C o?QS v� 7. VALLEY STORAGE MITIGATION Describe hydraulic mitigation used to compensate for project valley storage impacts. Il CtV0 i4 (2i $ o cy E-)c kAtel I Z yc 75 C) Application is hereby submitted for a Corridor Development Certificate(CDC). I certify that I am knowledgeable of the information contained in this application, and that to the best of my knowledge and belief,this information is true,complete,and accurate. pafed,/ Signature of CDC Applicant or Applicant's Rcpt cseutative 1?0.,2 .. A 1l ' .: A 47G 4' 5eh ! ,,vro Typed Name/Tide/Date 3C6 5 P E License Number and seal/stamp r t fI 17 ' I . 11,0 3. R. diRI; 1017 • a Corridor Devdopmatt Certificate Manual e Edition Par 3-15