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<br />i <br /> <br />.. <br /> <br />APR 27 '98 04: 20PM COLO OFF OF EMERGENCY MANAGEMENT <br />. <br /> <br />P.5/5 <br /> <br />. <br /> <br />4. STERLING - ConstrUCtion of dninageway improvements for lower Pawnee <br />Creek. <br /> <br />Project Cost: 53,215,000. Fed Share SI,06S,OOO/State Share $1,100,0001 <br />City Share 51S0,OOO/County Share 5200,000 <br /> <br />· COllStlUct a system of flood control levees along the north side of Pawnee <br />Creek beiilming UpStreaI:tI of CR. 29 and c:ontinuing cast to Hwy 6 to provide <br />1 DO-year flood protection to Sterlini and agric:ulture land. <br /> <br />· Improvement to existing bridges at Hwy. 6. Existing concrete bridie would <br />be expanded. <br /> <br />. Second system of levees and a flood-wall proposed to c:onfine stormwater <br />downstream of the highway to the IDO-year floodplain of the South Platte <br />River. <br /> <br />. ConstrUction oia S~foot berm to the north and west of the Riverside Cemetery <br />to collect and prevent flows from the Pawnee overflow from entering the c:ity. <br /> <br />{. Lowering of CR 25, construction of a ~b"nn"l with a conerctc: floodwall, a <br />n.eC? ~ ~ closure stn1CtUte for Hwy 6, construction ofbox culverts under the railroad. a <br />V/ .;.- ~ ,. ( siphon for the Sterling No.1 Ditch, aDd construction of a trapezoidal channel <br />~~ ~ to the South Platte River. ) . <br /> <br />,- COMMENTS <br /> <br />Major concern is the human intervention component for the road closure strUCtUre <br />on such a large project. Also, warning system and future maintc:nance issues are <br />not c:onsidered in proposed project. <br /> <br />Recommend redeveloping project without human interVention. <br />