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Big Cedar-CS 911008Federal Emergency Washington, D.C. 20472 OCT 8 1991 Mr. D. Matthew Goodwin, P.E. Goodwin and Marshall, Inc. 6001 Bridge Street, Suite 100 Fort Worth, Texas 76112 Dear Mr. Goodwin: 316 Case No.' Community: Community No.: By:. En ineerin FILE COPY 91-06-70R City of Coppell, Dallas and Denton Counties, Texas 480170 This is in response to the request for a conditional Letter of Map Revision (LOMR) for fill adjacent to Tributary G-1 of Grapevine Creek in vicinity of Bethel School Road and Bethel Road in the City of Coppell, dated September 9, 1991. We have completed an inventory of the items you submitted to support this request. The results of our inventory are s%~mmarized on the enclosed "Data Request Checklist": all the items indicated by an #X# in Column 1 are needed before we will begin our review; items indicated in Column 2 have already been received. If only items in Column 2 are noted, no additional items are required at this time; therefore, we will begin our review. However, addi- tional items may be requested at a later date. The Federal Emergency Management Agency (FEMA) has implemented a reimbursement procedure to recover cost~.associated with reviewing proposed projects, thus reducing the expense to taxpayers. The initial fee, if indiCated on the checklist, is the minimum charge associated with our reviewing a project of this type. However, additional costs could be required after review and before issuing a conditional LOMR depending on the complexity of the review required. You will be notified of the estimated total processing cost if it is anticipated that, due to the extent of the review required, the total cost will exceed $1,500.00. In that situation, our review would be suspended pending written authorization from you to proceed. Any items indicated in Column 1 of the checklist should be submitted within 30 days to the following address: Federal Emergency Management Agency Federal Insurance Administration Office of Risk Assessment 500 C Street, SW, Room 422 Washington, DC 20472 Attn: Mr. Charles A. Lindsey The case number referenced above should be included on any check or money order for identification purposes and sent by Registered Mail, Return Receipt Requested. Please note that any initial fee already submitted will be applied to this request only if we receive all items indicated on the checklist within 90 days of the date of this letter. After 90 days, the request will be treated as an original submittal and will be subject to all submittal/payment procedures, including the initial fee. However, should you wish to withdraw your request for a conditional LOMR at this time, you may submit a written request for return of data and reimbursement of any initial fee already submitted by writing to the address given above within 90 days. To provide assistance in preparing the required data, we have enclosed a copy of Parts 65 and 72 of the National Flood Insurance ProKram and Related Regulations. Part 65 describes the FEMA policy concerning revisions to Flood Insurance Study maps; Part 72 describes the reimbursement procedures. If you have any questions concerning FEMA policy, or the National Flood Insurance Program in general, please call Matthew B. Miller of our Head- quarters staff in-Washington, D.C., at (202) 646-3461. Sincerely, William R. Locke Chief, Risk Studies Division Federal Insurance Administration Enclosures cc: The Honorable Mark Wolfe, Mayor of the City of Coppell Ms. M. Shohre Daneshmand, P.E., Acting Coppell City Engineer Federal Emergency Management Agency Washington, D.C. 20472 Case No.: 91-06-70R DATA REQUEST CHECKLIST FOR CONDITIONAL LETTER OF MAP REVISION OCT 8 1991 Requestor: Ms. M. Shohre Daneshmand, P.E. Date: The items checked below in Column 1 are required to process your request for a conditional Letter of Map Revision. Items checked in Column 2 have been received and should not be resubmitted unless specifically requested. (1) Required (2) Received A written description of the scope of the proposed project and the methodology used to analyze the project's effects. Hydraulic backwater models of the lO0-year flood for the following: ao bo Existing conditions (all cross sections should re- flect conditions prior to construction of the proj- ect) Proposed conditions (same cross sections as the existing conditions model, reflecting the proposed project) Hydraulic backwater models of the 10-, 50-, 100-, and 500- year floods for the following: Mo c° Duplicate of the effective FIS model Existing conditions (effective FIS model including cross sections through the project site - all cross sections should reflect conditions prior to construc- tion of the project) Proposed conditions (existing conditions model re- flecting the proposed project) Floodway hydraulic backwater models of the following: Duplicate effective Existing conditions Proposed conditions o A copy of the Flood Insurance Rate Map with the project area indicated. Topographic mapping of the entire area covered by the proposed conditions model, indicating the locations of all cross sections used in the hydraulic model and delineating the proposed 100-year floodplain boundary. <1) (2) Required Received o Topographic mapping of the entire area covered by the proposed conditions model, indicating the locations of all cross sections used in the hydraulic model and delineat- ing: The proposed 100- and 500-year floodplain boundaries The proposed floodway boundary Other: Certification that proposed fill is designed in accordance with the requirements of Subparagraph 65.5(a)(6) of the National Flood Insurance Program regula- tions. Enclosed for your use is a form entitled Certifi- cation of Fill Compaction which outlines these require- ments. Community acknowledgment of the conditional IX)MR request (a form is enclosed for the community's use, if desired). 10. Initial fee for conditional Letter of Map Revision Review of new hydrology $ 245 New bridge or culvert (no channelization) $ 490 Channel modifications only $ 560 Channel modification and new bridge or culvert $ 735 Levees, berms, or other structural measures $ 945 Structural measures on alluvial fans $2800 Fee exemption certification in compliance with National Flood Insurance Program regulation 72.5. The items checked in Column 1 should be sent within 30 days to the following address: Federal Emergency Management Agency Federal Insurance Administration Office of Risk Assessment 500 C Street, SW, Room 422 Washington, DC 20472 Attn: Mr. Charles A. Lindsey Any initial fee for the request, in the form of a check or money order made payable to the National Flood Insurance Program, should be sent by Registered Mall, Return Receipt Requested. The case number referenced above should be included on the check or money or'er for identification purposes.