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Table 2
<br /> Annual Postclosure Maintenance Cost Estimate
<br /> Foothill Sanitary Landfill
<br /> San Joaquin County, California
<br /> Items Quantity Units Unit Cost Subtotals
<br /> COVER MAINTENANCE
<br /> 1 ET Soil cap 159,321 CY $6.92 $1,102,499
<br /> 2 Hydroseed 22 AC $3,860 $86,000
<br /> 3 Mowing 673 AC $200 $134,600
<br /> Cover Repair Subtotal $1,323,099
<br /> LEACHATE COLLECTION
<br /> 4 Operation, Maintenance, Disposal 10 EACH $11,360 $113,603
<br /> 5 Leachate Sampling 10 EACH $504 $5,040
<br /> 6 Leachate Analysis 10 EACH $556 $5,560
<br /> Leachate Collection Systems Subtotal $124,203
<br /> LFG(MIGRATION)MONITORING
<br /> 7 Soil Gas Measurement 1 LS $5,568 $5,568
<br /> 8 Soil Gas VOC Analysis 1 LS $7,000 $7,000
<br /> 9 Surface Emission Monitoring 1 LS $54,000 $54,000
<br /> LFG Emissions Monitoring Subtotal $66,568
<br /> LFG CONTROL SYSTEM
<br /> 10 Maintenance and Operation 1 LS $2,819,000 $2,819,000
<br /> LFG System Subtotal $2,819,000
<br /> GROUNDWATER AND SURFACE WATER MONITORING
<br /> 11 Groundwater and Surface Water Sampling 24 EACH $5,089 $122,126
<br /> 12 Analysis(Included in No. 10 above)
<br /> 13 Monitoring Well Maintenance 24 EACH $763 $18,312
<br /> Groundwater and Surface Water Monitoring Subtotal $140,438
<br /> VADOSE ZONE MONITORING
<br /> 14 Vadose zone sampling 20 EACH $126 $2,520
<br /> 15 Analysis 20 EACH $200 $4,000
<br /> Vadose Zone Monitoring Subtotal $6,520
<br /> DRAINAGE
<br /> 16: See Note 1 LS $10,277 $10,277
<br /> Drainage Subtotal $10,277
<br /> SECURITY
<br /> 17: See Note 1 LS $2,917 $2,917
<br /> Security Subtotal $2,917
<br /> SETTLEMENT ANALYSIS
<br /> 18:Aerial survey 1 LS $15,000 $15,000
<br /> Settlement Analysis Subtotal $15,000
<br /> DECOMMISSIONING
<br /> 19: See Note 1 LS $0 $0
<br /> Decommissioning Subtotal $0
<br /> OTHER
<br /> 20: Inspections and Record Keeping 100 Hrs $160 $16,016
<br /> Other Subtotal $16,016
<br /> TOTAL ESTIMATED ANNUAL COST $4,524,038
<br /> TOTAL COST OVER 30 YEARS $135,721,150
<br /> AC=acre All costs are in 2015 dollars.
<br /> CY=cubic yard Landfill surface area= 673 acres
<br /> LS=lump sum ET Cover thickness= 4 feet
<br /> Foothill Sanitary Landfill Public Works/Solid Waste
<br /> Preliminary PCPM Plan Page 1 County of San Joaquin-Revised January 27,2017
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