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E <br />Table 1 -LF -1 <br />Preliminary Closure Cost Estimate <br />Foothill Sanitary Landfill <br />San Joaquin County, California <br />Revised 3/15/2017 <br />11 <br />Items <br />Quanti <br />Units <br />Unit Cost <br />Extn <br />FINAL COVER SOIL <br />1 Preparation of landfill to receive cover (final grading) <br />81 <br />AC <br />$1,200 <br />$97,200 <br />2 Evapotranspiration Layer (on-site soils) <br />0 <br />CY <br />$3.46 <br />$0 <br />3 Vegetation (mulch and hydroseeding) <br />AC <br />$3,860 <br />$0 <br />Final Cover Soil Subtotal <br />$97,200 <br />MONITORING SYSTEM <br />4 Perimeter Landfill Gas Monitoring System <br />1 <br />EACH <br />$38,250 <br />$38,250 <br />5 Groundwater Monitoring System <br />1 <br />EACH <br />$37,200 <br />$37,200 <br />6 Leachate Control System: None at LF -1 <br />N/A <br />EACH <br />$50,000 <br />$0 <br />$75,450 <br />Monitoring Systems Subtotal <br />LFG CONTROL <br />7 Disabling and Rebuilding Gas System <br />1 <br />LS <br />$8,156 <br />$8,156 <br />8 System expansion at Closure <br />N/A <br />$0 <br />$0 <br />$8,156 <br />LFG Control System Subtotal <br />SITE IMPROVEMENTS <br />9 Drainage Structures <br />380 <br />LF <br />$7.27 <br />$2,762 <br />10 Security Measures <br />59 <br />LF <br />$17.50 <br />$1,039 <br />11 Survey Monuments <br />1 <br />EACH <br />$6,000 <br />$6,000 <br />12 Dismantle Structures <br />None planned for <br />closure <br />$0 <br />13 Decommission Environmental Monitoring System <br />None planned for <br />closure <br />$0 <br />$9,801 <br />Other Site Improvement Subtotal <br />Total Construction Cost <br />$190,607 <br />PROFESSIONAL SERVICES <br />14 Engineering (Design and Bid Documents) <br />2% <br />No design documents <br />$0 <br />15 Topographic and Boundary Survey <br />0 <br />Full cost shown <br />in LF -2 <br />$0 <br />16 Construction Quality Assurance <br />5% <br />of total construct <br />cost <br />$9,530 <br />$9,530 <br />Professional Services Subtotal <br />TOTAL ESTIMATED CLOSURE COST <br />$200,137 <br />CONTINGENCY (20%) <br />20% <br />$40,027 <br />TOTAL <br />$240,165 <br />SF = square foot AC = acre <br />CY = cubic yard <br />LS = lump sum <br />Foothill Sanitary Landfill San Joaquin County DPW - Solid Waste <br />\\PWVMPFOt\sharesV,4aint-Ops\OSolidWaste\Engineering\1Foothill\CalRecyde\2017 JTD Revision\2017 March WDR Revs\2017-3-15 PCPCMP Revised 3/15/2017 <br />