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n <br />Postclosure Costs for LFG System <br />Foothill Landfill <br />BASIS Landfill Acreage 673 acres <br />LFG Field $4,179,275 <br />Flare station $500,000 <br />Maintenance/replacement by equipment life <br />5% of LFG field <br />10% of Flare Station <br />Operation <br />SJ Co contract w/ contractor for two landfills <br />Area of landfills <br />Unit cost <br />Area of Foothill Landfill at closure <br />Pro -rated cost <br />Source Test (not needed candlestick flare) <br />Surface emission monitoring <br />Laboratory Analysis <br />Electricity <br />Performance 40" vac, 10" pressure <br />Design Flow 2000 SCFM <br />Permitting and Admin <br />$208,964 per year <br />$50,000 per year <br />$258,964 per year <br />$48,000 peryear (cost basis) (1) <br />155 acres (cost basis) (2) <br />$310 per acre per year <br />673 acres <br />$208,413 peryear <br />$0 <br />$80,760 peryear <br />$10,000 peryear <br />$299,173 per year <br />2 Blowers operating (ea) <br />50 hp motor (ea) <br />75.0 kW max rated <br />75.0 kW normal load <br />$0.15 /kW hr <br />8760 hours Der vear <br />$98,550 per year <br />200 hours per year <br />$80 per hour* <br />$16,000 per year <br />Total annual cost $672,687 peryear $771,931 <br />Rounded $673,000 per year Call $772,000 ** <br />(1) SCS costs include maintenance of flare station equipment and minor field repairs <br />20% contingency <br />(2) Actual SCS O&M Costs are extrapolated to estimate O&M Costs on a per acre basis. <br />(3) Costs in 2004 dollars <br />2010 cost (based on DRRR inflation adjustment 1.147; 96.76); Call $92/hr <br />** 2010 cost (based on DRRR inflation adjustment 1.147; $771,931); Call $772,000 <br />is01San Joaquin County1136605 FoothilAClosure PC CoslsTH Clo-PostClo Rev 07262010.xis. LFG O&M <br />Foothill Sanitary Landfill <br />Preliminary PCPM Plan Page 3 of 4 <br />Public Works/Solid Waste <br />County of San Joaquin - Revised July 28, 2010 <br />