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<br />" <br /> <br /> <br />Federal Emergency Management Agency <br />Washington, D.C. 204-72 <br /> <br />CERTIFIED MAIL <br />RETURN RECEIPT REQUESTED <br /> <br />IN REPLY REFER TO: <br />Case No,: ~~g~O~:440B <br /> <br />The Honorable Wellington Webb <br />Mayor, City and County of Denver <br />1437 Bannock Street <br />Denver, CO 80202 <br /> <br />Community: City and County of Denver, <br />Colorado <br />Community No,: 080046 <br />Panel Affected: 0008 C <br />Effective Date of DEe 2 2 1999 <br />This Revision: <br /> <br />102-I-C <br /> <br />Dear Mayor Webb: <br /> <br />This responds to a request that the Federal Emergency Management Agency (FEMA) revise the effective <br />Flood Insurance Rate Map (FIRM) for your community in accordance with Part 65 of the National Flood <br />Insurance Program (NFIP) regulations. In a letter dated September 3, 1998, Mr. Nick Skifalides, Deputy <br />Manager, Wastewater Management Division, Department of Public Works, City and County of Denver, <br />requested that FEMA revise the FIRM to show the effects of more detailed topographic data and a new <br />hydraulic analysis that incorporates channelization along First Creek from 48th A venue to approximately <br />2,600 feet upstream and construction of culverts at 48th Avenue. The site is located in a Special Flood <br />Hazard Area (SFHA), an area that would be inundated by the flood having a I-percent chance of being <br />equaled or exceeded in any given year (base flood), designated on the effective FIRM as Zone A with no <br />base flood elevations determined, This request follows up on a Conditional Letter of Map Revision issued <br />on April 16, 1987, <br /> <br />All data required to complete our review of this request were submitted with letters from Mr. L. George <br />Wingfield, Project Manager, and Mr. Thomas M, Ochwat, P,E" Senior Engineer, both with Nolte <br />Associates, Inc" and Mr, Skifalides, <br /> <br />We have completed our review of the submitted data and the flood data shown on the effective FIRM. We <br />have revised the FIRM to modify the floodplain boundary delineations of the base flood along First Creek <br />from approximately 1,600 feet downstream to approximately 2,600 feet upstream of 48th Avenue. As a <br />result of the modifications, the width of the SFHA along First Creek increased in some areas and decreased <br />in other areas, The modifications are shown on the enclosed annotated copy of FIRM Panel(s) 0008 C, <br />This Letter of Map Revision (LOMR) hereby revises the above-referenced panel(s) of the effective FIRM <br />dated September 28, 1990. <br /> <br />The modifications are effective as of the date shown above, The map panel(s) as listed above and as <br />modified by this letter will be used for all flood insurance policies and renewals issued for your community, <br /> <br />A review of the determination made by this LOMR and any requests to alter this determination should be <br />made within 30 days, Any request to alter the determination must be based on scientific or technical data, <br />