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TABLE 138 <br /> CAPITAL COST ESTIMATE SUMMARY-CONCEPTUAL GROUNDWATER EXTRACTION AND GAC SYSTEM <br /> CORRAL HOLLOW SANITARY LANDFILL ENGINEERING FEASIBILITY STUDY <br /> Point of Compliance <br /> Parameter Unit Cost Quantity Cost <br /> Pilot Testing/Engineering $50,000 LS $50,000 <br /> Extraction well installation(per foot) $200 720 $144,000 <br /> Well Pumps and Appurtenances $5,050 9 $45,450 <br /> Air Compressor(each; 16 scfm) $6,900 3 $20,700 <br /> Groundwater Conveyance Piping(Air/Discharge) $25 1950 $48,750 <br /> Influent equalization tank(10,000 gallons) $15,000 1 $15,000 <br /> GAC Influent transfer pumps(25 gpm, 2 HP)with level switches $2,500 2 $5,000 <br /> Pre-filtration system,pressure bag filter $3,450 2 $6,900 <br /> GAC vessels(750 pounds) $3,019 2 $6,038 <br /> Polyethylene effluent surge tank(2000 gallons) $4,025 1 $4,025 <br /> Discharge piping to stormwater basin $25 1450 $36,250 <br /> Extraction and treatment system engineering CQA $1,600 50 $80,000 <br /> Treatment system installation(including electrical) $30,000 1 $30,000 <br /> Permitting/Regulatory Oversight $5,000 LS $5,000 <br /> GAC System Construction Subtotal $497,113 <br /> Engineering/Construction Management 15% $74,567 <br /> Contingencies 20% $99,423 <br /> County Administration/Oversight 10% $49,711 <br /> GAC Construction Total $720,813 <br />