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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 />I <br />I <br />I <br />I <br />I <br />I <br /> <br />TABLE VI-2 <br />UNIT PRICES <br />(July 1982) <br /> <br />Item <br /> <br />Unit <br /> <br />CHANNEL WORK <br />Excavation <br />Emban kment <br />Reinforced Concrete (Vertical) <br />Reinforced Concrete (Fl at) <br />Ri pr ap <br />Gravel Filter <br />Grass Seed ing <br />Drop Structure <br /> <br />C.Y. <br />C. Y. <br />C. Y. <br />C. Y. <br />C.Y. <br />C.Y. <br />Acre <br />L.F. <br /> <br />HIGHWAY BRIDGE REPLACEMENT <br /> <br />S.F. <br /> <br />RAILROAD ~RIUGE REPLACEMENT <br /> <br />S.F. <br /> <br />CLEARING, GRUBBING & CLEAN UP <br /> <br />Acre <br /> <br />UTILITY RELOCATIONS <br />GAS <br />2" <br />4" <br />8" <br />16" <br /> <br />L.F. <br />L.F. <br />L.F. <br />L.F. <br /> <br />WATER <br />6" <br />8" <br />12" <br />14" <br /> <br />L. F. <br />L.F. <br />L.F. <br />L.F. <br /> <br />REINFORCED CONCRETE PIPE <br />24" <br />30" <br />36" <br />39" <br />42" <br />48" <br /> <br />L.F. <br />L.F. <br />L.F. <br />L.F. <br />L. F. <br />L.F. <br /> <br />ROAD REPLACEMENT <br />Asphalt (2" overlay) <br />Base Course <br /> <br />Ton <br />Ton <br /> <br />TABLE VI-3 <br />ANNUAL OPERATION AND MAINTENANCE COSTS <br />(Dollars per linear foot of channel) <br /> <br />Cost <br /> <br />Grass-Lined Channels <br /> <br />$ 3.00 <br />$ 2.50 <br />$ 350.00 <br />$ 250.00 <br />$ 50.00 <br />$ 18.00 <br />$ 1,800.00 <br />$ 275.00 <br /> <br />$ 60.00 <br /> <br />Item <br />Tr ac tor Mowi ng <br />Handcutting <br />Weed Control <br />Seeding/Mulching <br />Debris Removal <br /> <br />Design <br />1,000 cfs <br />$ 2.02 <br />0.30 <br />0.15 <br />0.23 <br />0.30 <br />$ 3.00 <br /> <br />TOTAL 0 & M COSTS <br /> <br />Rock-I_ined Channels <br /> <br />$ 100.00 <br /> <br />Design <br />1,000 cfs <br />$ 1.20 <br />0.30 <br />$ 1.50 <br /> <br />$ 5,000.00 <br /> <br />Item <br />Selective Rock Replacement <br />Debri s Removal <br /> <br />TOTAL 0 & M COSTS <br /> <br />$ 15.00 <br />$ 20.00 <br />$ 30.00 <br />$ 50.00 <br /> <br />Structural-Walled Channels <br /> <br />Item <br />Minor Concrete Repairs <br />Selective Rock Replacement (Channel Invert) <br />Debr is Removal <br /> <br />Design <br />1,000 cfs <br />$ 1. 30 <br />0.40 <br />0.30 <br />$ 2.00 <br /> <br />$ 35.00 <br />$ 40.00 <br />$ 45.00 <br />$ 50.00 <br /> <br />TOTAL 0 & M COSTS <br /> <br />Natural Floodplain <br /> <br />$ 45.00 <br />$ 60.00 <br />$ 75.00 <br />$ 80.00 <br />$ 85 . 00 <br />$ 100.00 <br /> <br />Design <br />1,000 cfs <br />$ 0.70 <br />2.30 <br />TOTAL 0 & M COSTS $ 3.00 <br /> <br />Item <br />Seed i ng <br />Debr is Removal <br /> <br />VI-2 <br /> <br />Flow <br />10,000 cfs.. <br />$ 2.38 <br />0.34 <br />0.18 <br />0.26 <br />0.34 <br />$ 3.50 <br /> <br />Flow <br />10,000 cfs <br />$ 2.66 <br />0.34 <br />$ 3.00 <br /> <br />Flow <br />10,000 cfs <br />$ 1. 79- <br />0.87 <br />0.34 <br />$ 3.00 <br /> <br />Flow <br />10,000 cfs <br />$ 0.82 <br />2.68 <br />$ 3.50 <br /> <br />$ 55.00 <br />$ 45.00 <br /> <br />Note: Total Annual 0 ;\, Mis based upon fi9ures obtained from the Urban <br />Drainage and Flood Control District, and modified to fit the larger flows on <br />Clear Creek. The costs assume the channels are constructed with a low flow <br />channel. <br />