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APPROXIMATE COST ESTIMATE FOR CARLTON TUNNEL POND EXPANSION PROJECT <br />Item Quantity Unit Quantity <br />Bypass pipes 109.92 feet @ ft <br />Valves (18") 6 valves @ ea <br />Discharge Pipe 441 feet @ ft <br />Excavation 1696 cuyd @ cuyd <br />Fill placement 1696 cuyd @ cuyd <br />Geotextile fabric 5000 sq.ft @ sqft <br />Baffle modification 1 lump sum ea <br />Road gravel 200 cuyd @ cuyd <br />Rip-Rap protection 100 cuyd @ cuyd <br />Revegetation 1 acre @ acre <br />Congtingency 25% of est cost <br />Total estimated cost