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r SECTiON VIII CRITERIA I I ! INTRODUCTION There are many demands on the 1 and and wat~r resr)urce~ of the So\lth Pi atte Rher corridor, The demands are associated with efforts to achieve a variety of objectives such dS economic development, regional development, transport ~t i on, soci a 1 we ll-bei ng, and envi ronmental qual i ty. The 1 and dnd water resources of the corridor are limited,but thedernands are not. Till! objectives compete with each other. CQlnpeting objectives must berecon- ci1ed through a formal planning strategy for the So~th P1 atte River. I Tl'tismajor drainageway planning study for the South Platte River isuniqu!' in its scope and potential impact. NO other river or stream 1n tl'teOenver metropolitan area is 5ubject to dS many varied demands as tMeSouth Platte River. The river is truly a multi-use, multi-jurisdictional resource. The criteria used during the Phase B preliminary design build upon those developed during the PMase A portion of this study. The general goals and nbjectives r!'main unchanged and have been u~ed in the developm",nt of the preliminary plans contained in this document. ThesegoalsMavedetermined Which direct10n the proposed improvements took. The goals are repeated below: o The foremost and primary use of the South Platte River is for drainage and flOOd control. o The Master Plan should reduce to the extent possible future flood d~ages while systematically reducing existing flOOd damage poten- tial. VIll-l o The plan should reduce the exposure of people and oroperty to flOOd hazard. o The drainage and f1oodcontrol prograrnfor the South Platte River should be coordinated with water supply, sewerage, land use, bufldingdevelorment, recreation, transportation, and open space planning programs of the metro area. o The existing floodplains, where improvements do not entirely eliminate the danger of residual flooding during the lOO-year flood, should be permanently managed and regulated, while else- where regulation should constitute an iMerim measure until chan- nel improvements are made. o The potent!~l of the river corridor for parks and recreation should be exploiterl to lncrea~e land ~alue~, ~ocial har~ony, health, and to reduce d..pendence on the automobile. o Conflicting demands on the limited waters of the South Platte River must be optirnized within constraints imposed by Colorado la w and the various ne~ds related to the river. o Wildlife and riparian vegetation conditions should be improved. o The plan should insur", that proposals and rec<mll'!ndations are consistent with overall regional goals and objectives. o Erosion and sedimentation prOblems should be minimized. PLANNING AND DESIGN CRITERIA The followi~g criteria describe specifiC planning and design were includ..d in thl'developm<,nt of th<,preliminaryd!'<;ign. o Existing flood prObl",ms should be mitigated by applying theorope r combi'lationofnofJ-structural andstructurdl..ethods. aspect~ which 1\11 criteria