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<br />\\WE <br /> <br />Wriaht Water Enaineers, Inc. <br />2490 West 26th Avec, Suite l00A <br />Denver, Colorado 80211 <br />(303) 480.1700 TEL <br />(303) 480.1020 FAX <br /> <br />www.wrightwater.comJwwe/ <br />e-mail:krwight@wnghtwater.com <br /> <br />August 30, 2001 <br /> <br />ML Ben Urbonas <br />Urban Drainage & Flood Control District <br />2480 West 26th Ave., Suite 156-B <br />Denver, CO 80211 <br /> <br />Mr. Bill DeGroot <br />Urban Drainage & Flood Control District <br />2480 West 26th Ave., Suite 156-B <br />Denver, CO 80211 <br /> <br />Re: Flood Hazard Area Delineation for Lower Box Elder Creek Watershed <br />Agreement No. 99-01.12 <br /> <br />Dear Ben and Bill: <br /> <br />Wright Water Engineers, Inc. (WWE) is pleased to submit the attached Flood Hazard Area Delineationfor <br />Lower Box Elder Creek Watershed dated September 200 Ie <br /> <br />The stream reaches included in this report are (I) Box Elder Creek from 168th Avenue south (upstream) to <br />just south of 64th Avenue, (2) Bear Gulch from its confluence with Box Elder Creek at approximately the <br />nnd Avenue alignment south to just upstream of 38th Avenue, (3) six small tributaries to Bear Gulch, (4) <br />Hayesmount Creek from 168th Avenue south (upstream) to approximately the lO4th Avenue alignment and <br />(5) a tributary to Hayesmount Creek The floodplain delineation for the lOO-year storm event with future <br />basin development conditions is provided in Appendix Q. The water surface profiles for the 10-year and <br />100-year storm events are provided in Appendix Rc Tabular floodplain and floodway information is <br />provided in Appendix Pc The text of the report describes the hydrologic and hydraulic modeling that was <br />done in order to define the floodplainsc <br /> <br />Wright Water Engineers, Inc., 2490 W. 26th Avenue. Ste. 100A, Denver, CO 80211 <br />TeL 303/480-1700; Faxc 303/480-1020, e-mail: krwright@wrightwateLcom <br /> <br />Mr. Ben Urbonas <br />Mrc Bill DeGroot <br />Urban Drainage & Flood Control District <br />Page Two <br /> <br />It has been a pleasure to work with you and with the project sponsors during development of this flood <br />hazard area delineation report. <br /> <br />Sincerely, <br /> <br />WRIGHT WATER ENGINEERS, INC. <br /> <br />~~~ <br />Matthew J. Gavi IT <br />t Project Engineer <br /> <br />By <br /> <br /> <br />Peter Dc Waugh, <br />Project Manager <br /> <br />Enc. <br /> <br /> <br />C\991134\OOOlaIFHADrpt\L.UDFCD.PDWcdoc <br />