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U <br />Ul <br />Preliminary Closure Cost Estimate <br />(continued) <br />Items I Quantity I Units ( Unit Cost I Extn <br />nRAINAGF SYSTEM <br />Existing: All piping in place at time of closure <br />43,210 <br />SF <br />$4.50 <br />$194,400 <br />11.0 Proposed: Protect in place and/or salvage and relay <br />5000 <br />LF <br />$25 <br />$125,000 <br />Drainage System Subtotal <br />1 <br />LS <br />$18,000 <br />$125,000 <br />SFr11RITY INSTAI 1 ATION <br />Existing: Fenced during operations <br />43,210 <br />SF <br />$4.50 <br />$194,400 <br />12.0 Proposed: Limited replacement <br />2500 <br />LF <br />$35 <br />$87,500 <br />Security Installation Subtotal <br />1 <br />LS <br />$18,000 <br />$87,500 <br />QTRIIrT11RA1 RFMOVAI <br />13.0 Remove service structures <br />43,210 <br />SF <br />$4.50 <br />$194,400 <br />Structural Removal Subtotal <br />1 <br />LS <br />$125,000 <br />$194,400 <br />nFrnMMISSInN OF: FNVIRONMFNTAI MONITORINGICONTROL SYSTEMS <br />14.0 Decommission three internal soil gas wells <br />0 <br />LS <br />$0 <br />$0 <br />ControlSystems Subtotal <br />1 <br />LS <br />$125,000 <br />$0 <br />SI IRVFY MON[IMFNTS <br />15.0 Install on final cover <br />4 <br />EA <br />$6,000 <br />$24,000 <br />Survey, Monuments Subtotal <br />1 <br />LS <br />$125,000 <br />$24,000 <br />Total Construction Cost <br />1 <br />LS <br />$18,000 <br />$9,322,200 <br />PPOFFSSIONAI SFPVICFS <br />16.0 Final Closure and Post Closure Plans <br />1 <br />LS <br />$75,000 <br />$75,000 <br />17.0 Closure Construction Documents <br />1 <br />LS <br />$125,000 <br />$125,000 <br />18.0 Topographic Survey <br />1 <br />LS <br />$18,000 <br />$18,000 <br />19.0 Construction Quality Assurance <br />5% <br />of cover <br />layer cost <br />$432,000 <br />Professional' Services Subtotal' <br />$650,000 <br />TOTAL ESTIMATED CLOSURE COST <br />$9,972,200 <br />CONTINGENCY (20%) <br />$1,994,400 <br />TOTAL <br />$11,96fi,600 <br />PCMP for NCRCSL D-2 <br />O:ISan Joaquin CounVNCRCSL11180401PCPMPIFinal ReporAPCPMP Rev_Jan_2010.Doc <br />Department of Public Works/Sofid Waste <br />County of San Joaquin - January 7, 2010 <br />