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Table 7. Estimated cost to construct berms averaging four feet in height and to rip-rap portions of berms <br />facing or adjacent to current (presumably one-half of the berm's length) for public ponds <br />currently managed as sport fisheries by the Colorado Division of Wildlife. Shoreline <br />development factors estimated visually from diagrams found in Elmblad and Satterfield (1995). <br /> Surface Shoreline Estimated Estimates costs <br />Pond name acres development shoreline length <br />4-ft berm <br />Rip-rap <br />Connected Lake - Lower 8 2.0 4,181 $ 150,516 $ 40,138 <br />Connected Lake - Upper 55 2.0 10,971 $ 394,956 $ 105,322 <br />Corn Lake 10 1.2 2 807 $ 101,052 $ 26,947 <br />Duke Lake 6 2.0 3,624 $ 130,464 $ 34,790 <br />Island Acres Pond 1 1.2 888 $ 31,968 $ 8,525 <br />Parachute Pond 10 1.2 207 $ 101,052 $ 26,947 <br />Rifle 1-70 Pond 5 1.2 1,985 $ 71,460 $ 19,056 <br />Thirty Road Pond 45 1.8 8,931 $ 321,526 $ 85,738 <br />Total costs 140 36,194 $ 1,302,984 $ 347,463 <br />Grand total cost: berm and rip-rap $1,650,447 <br />Table 8. Estimated costs to isolate privately owned ponds using dikes averaging 4 feet in height and rip- <br />rapped for one-half of their length within the 50 year floodplain of the Colorado River in the <br />Grand Valley from Palisade to Loma. An overall estimated shoreline development factor of 1.5 <br />was used to calculate shoreline length based on pond surface area. <br /> <br />Size range of Ponds in 50 yr <br />flood lain Weighted <br />mean Estimated <br />total shoreline Estimated costs for construction <br />ponds in acres <br />Number <br />Percent shoreline <br />length in feet length for all <br />ponds 4-foot hi <br /> <br />dike Rip-rap for 1/2 of <br /> <br />dike length <br />< 1 83 53% 550 45,650 $1,643,400 $ 438,240 <br />1-10 65 42% 1,970 128,050 $4,609,800 $1,229,280 <br />10-20 7 4.5% 4,362 30,534 $1,099,224 $ 293,126 <br />20+ 1 0.5% 5,084 5,084 $ 183,024 $ 48,806 <br />Total/mean 156 100% 1,341 209,318 $7,535,448 $2,009,452 <br />Grand total: dike and rip-rap $9,544,900 <br />Job No. 3: Fish Species Composition/Biomass in Reclamation/Restoration sites <br />17