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<br />. <br /> <br />, <br /> <br />, <br /> <br />Proposed Fish Rearing Project <br />U.S. Fish & Wildlife Service & <br />Colorado Division of wildlife <br />Craig Station <br /> <br />System Requirements - Heat 800 gpm of H20 <br />From Raw Water Pond to 750F <br />Assume inlet temperature is 350F <br />Btu required = 800 (75-35) = 32,000 Btu/min <br /> <br />Assume Hot Circulating Water is 950F at Changehouse <br />Assume 150F~T in Circulating Water <br />Circulating Water Required = 32000/15=2133 gpm <br /> <br />Assume 4'/sec is economic pipe velocity =>16".0 pipe <br />Assume length of double 16" pipe is 600' <br />To circulate 800 gpm of Raw Water @4 ' /sec requires a 10".0 <br />double pipe. <br /> <br />PRELIMINARY COST ESTIMATE <br /> <br />Cost estimate for double 16".0 pipe <br /> <br />Supply side connection to Raw Water Line <br />Pump purchase and installation <br />600' of double 16'" pipe @ $200/ft. <br />Return side connection to Raw Water Line <br /> <br />$150,000 <br />$150,000 <br />$120,000 <br />$150,000 <br /> <br />Heat exchanger supply & install <br /> <br />$200,000 <br /> <br />Cost estimate for double 10".0 pipe <br /> <br />Inlet for 10'" pipe in Raw Water Pond <br />Pump supply and install <br />1,800' of double 10".0 pipe @ $100/ft. <br /> <br />$100,000 <br />$200,000 <br />$180,000 <br /> <br />~ <br /> <br />Total <br /> <br />$1.25M <br />