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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />L.EFT 11.-\;-';0 OITCII CO. - L.EFT 11.-\1'0 \'AI.L.EY lIES. SPII.LW.-\ Y/OUTLET REHAB. <br /> <br /> <br />The Concrete Scillin~ Basin and Outlet Pipe at Ihe Bottom of the RCC Spillway <br /> <br />Proiect DescriDtion <br /> <br />ThiS project is the result of the State Engineer's order to Increase the spillway capacity of <br />the Left Hand Valley Reservoir in order to comply \\'lIh dam safety nlies and regulations regardmg <br />downstream structures. The project includes the replacement of the current spill\l.:ay with a larger <br />roller compacted concrete (RCC) spillway and concrete sill ling basin. Rocky ~Iountain <br />Consultants of Longment. CO completed the penmtting process. design engineering and <br />preparation of construction contract documents. The construction contract ,....as awarded (0 Gears. <br />Inc. ofCrcsteu Butte. CO.. commenced September 1. 1998 and was completed In January 1999. <br /> <br />Proiect Data <br /> <br />Sponsor: Left Hand Ditch Company. Inc, <br /> <br />CounlY: Boulder <br /> <br />Rinr: Left Hand Creek <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Terms of Loan: 5560.000.00 @ ~.ooo for 30 yrs. <br /> <br />Substantial Complerion Date: Jan. 13, 1999 <br /> <br />Desi2n Engineer: Rocky \lounlaln Consultants, Inc. - Long.mont. CQlorJdo <br /> <br />Construction Contractor: Gears. Inc. Crested Bune. Colorado <br /> <br />Design Criteria: <br /> <br />Dam Height = 51 2.5 n. Dam Crest Elev. = 5.359.5 ft, <br />Spillway Crest EIc\'. = 5.351.5 fl, ReserVOIr Capacity = 2..81-1 aC.ft. <br />Spillway Type = Step(Xd Roller Compacted Concrete <br /> <br />.-\nnual "olume of Waler ()eli\'ered b~ the Project: 1.62.-1 ae.li. <br />