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TABLE 3 <br /> COST ESTIMATE <br /> EXTENSION OF CLOSURE CAP <br /> Item Unit Cost Estimated <br /> No. Task Unit Item No. <br /> Cost Quantity <br /> 1 Mobilization\Demobilization Lump Sum $25,000 1 $25,000 <br /> 2 Layout Work and Survey Lump Sum $7,500 1 $7,500 <br /> Final Cover <br /> 3 Clear and Grub LS $5,000.00 1 $5,000 <br /> 4 Subgrade Preparation SF $0.25 73,000 $18,250 <br /> 5 Geosynthetic Clay Liner SF $0.75 73,000 $54,750 <br /> Installation _ <br /> 6 Excavation CY $3.00 5,000 $15,000 <br /> 7 Earthfill CY $3.50 1,500 $5,250 <br /> 8 Vegetative Soil Layer CY $5.00 4,000 $20,000 <br /> 9 Final Grading SF $0.15 115,700 $17,355 <br /> 10 Erosion Control Matting SF $0.25 10,900 $2,725 <br /> 11 Reve etation Acre $2,500 2.66 $6,650 <br /> 12 Drainage Ditch LF $2.00 1600 $3,200 <br /> 13 Concrete Ditch _ LF $25.00 400 $10,000 <br /> 14 Fencing Lump Sum $15,000 1 $15,000 <br /> 15 Slope Protection Lump Sum $1,000 1 $1,000 <br /> 16 Aggregate Base Ton $65.00 515 $33,475 <br /> LFG System <br /> 17 Install LFG Extraction Well LF $200.00 75 $15,000 <br /> 18 Abandoned Borings LF $100.00 25 $2,500 <br /> 19 Piping to Headers LF $75.00 244 $18,300 <br /> 20 Connection to Header Each 2,500 2 $5,000 <br /> Construction Sub-Total $280,955 <br /> 10% Contingency $28,096 <br /> CQA Cost Lump Sum $54,600 1 $54,600 <br /> Total Extension of Closure Cap Cost $335,555 <br /> Closure Plan Revised Addendum San Joaquin County <br /> Corral Hollow Sanitary Landfill 11 Department of Public Works <br /> October 6,2011 Solid Waste Division <br />