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<br />FLOOD INSURANCE STUDY <br />CITY lmD<:OUNTY OF Ot;/lVt;R, COLORADO <br /> <br />1.0 INTRODUCTION <br /> <br />1.1 Purpose of Study <br /> <br />This Flood Insurance Study revises and updates a previous Flood <br />Insurance Study/Flood Insurance Rate Map for the City and County <br />of Denver, CoLorado. This information will be used by the City <br />and County of Denver to update existing floodpLain regulations as <br />part of the Regular Phase of the National Flood Insurance Program <br />(NFIP). The information wit L aLso be used by local and regionaL <br />planners to further promote sound land use and floodpLain <br />development. <br /> <br />In some states or communi ties, floodplain management criteria or <br />regulations may exist that are more restrictive or comprehensive <br />than the minimum Federal r'equirement;s. In such cases, the more <br />restrictive cr'iter'ia take pr'ecedence and the State (or other <br />jUr'isdictional agency) will be able to explain them. <br /> <br />1.2 Authority and Acknowledgments <br /> <br />The sources of authority for this Flood Insurance Study are the <br />National Flood Insurance Act of 1968 and the Flood Disaster <br />Protection Act of 1973. <br /> <br />The hydrologic and hydraulic analyses for this study were <br />performed by Gingery Associates, Inc., for the Federal Emergency <br />Management Agency (FEMA) , under Contract No. 8-4549. This study <br />was completed in June 1981. <br /> <br />Revised hydraulic analyses for Clear Creek, Bear Creek, and. Weir <br />Gulch were performed by Dames & Moore for FEMA under Contract No. <br />C-0542. <br /> <br />Revised hydraulic analyses for the South Platte River were <br />provided for FEMA by the Urban Drainage and Flood Contr'ol Distr'ict <br />(UDFCD) and were completed in September 1987. <br /> <br />Revised hydraulic analyses <br />Avenue Tributary, and Coon <br />Associates, Inc., and Drexel <br />and completed in June 1989. <br /> <br />for' Weir Gulch, Weir Gulch Dakota <br />Cr'eek were performed by Love and <br />Barrell EngineerS/Surveyors, Inc., <br /> <br />Revised hydraulic analyses for' Marston Lake North were per'formed <br />by WRC Engineering, Inc., and Rocky Mountain Consultants, Inc. <br />(RMC), and completed in October 1989. <br />