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<br />D <br /> <br />~BRW .. <br /> <br />E3m.ImI A DAMES & MOORE GROUP COMPANY <br /> <br />n <br /> <br />[ <br /> <br />BR W completed site-\vide flood- <br />plain mapping and established <br />floodplain management guidelines <br />for the Unit<.'d States Air Force <br />Acack'IllY (Academy) for the pur- <br />poses of directing the dccision- <br />making process for future capital <br />improvement projects. <br /> <br />u <br /> <br />u <br /> <br />The comprehensive study of 17 <br />major drainageways (23 miles of <br />drainage chaI1J1(.'I) evaluated the site <br />on a basin-wide approach and pro- <br />vided Acadcrny Managers with the <br />tools necessary to plan, manage and <br />maintain development in and <br />around flood-prone drainages while <br />minimizing negative impacts to <br />associated floodplains and wetland". <br />This study also idcntifi('d areas <br />along the creeks that were exhibit- <br />ing excessive erosion or were inad- <br />equate to convey major flood flows <br />in order to address broader issues <br />relating to sedimentation, erosion <br />comrol, water quality, flood <br />hazard mitigation and financing. <br /> <br />[ <br /> <br />[ <br /> <br />L <br /> <br />D <br /> <br />c <br /> <br />BR W's plan recommended that <br />the Academy: <br /> <br />m <br /> <br />adopt and enforce a standard- <br />ized approach for erosion <br />comrol due to dt'vclopmellt of <br />ofl:'site tributary basins, thereby <br />minimizing prohlems associated <br />with degradation and aggra- <br />dation as wdl as reduce the cost <br />of maintenance of detention <br />and conveyance facilities <br /> <br />encourage on-site or regional <br />detention facilities to control <br />discharges under both minor <br />and major stonn events <br /> <br />promote the preservation of <br />wide riparian areas <br /> <br />establish wildlife hahitat along <br />drainage corridors by main- <br />taining vegetation in ov(,'rbank <br />areas and natural forms of <br />channl..'] revetment <br /> <br />minimize the potenlial for flood <br />damagi.' to property by prohibit- <br />ing construction and develop- <br />ment within the floodway <br />ri.'gion of the floodplain by <br />utilizing a risk-based approach. <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />o <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />11 <br /> <br />~ <br /> <br />u.s. Air Force Academy-Floodplain Management <br />Colorado Springs, Colorado <br /> <br />r <br /> <br /> <br />\0(. oS VO IY'i ,,"/ream <br /> <br /> <br />~Deadmdrts Creek <br /> <br />-:-,Y" loO? 5\ream <br />~o{Ode <br /> <br />~ <br /> <br />~ <br /> <br />lenmon Run <br /> <br />Co", <br />ftJUfl;ry Cen1er Streom <br /> <br />() <br />" <br />. <br />~ '00m <br />E\knorn~ <br /> <br /> <br />-I; <br /> <br /> <br />CBAW2470,97 <br /> <br />L,_ <br /> <br />" <br /> <br />~I <br /> <br />I <br />