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11
<br />C
<br />Table 2
<br />Annual Postclosure Maintenance Cost Estimate
<br />Foothill Sanitary Landfill
<br />San Joaquin County, California
<br />Revised 3/15/2017
<br />Items
<br />Quantity
<br />Units
<br />Unit Cost
<br />Subtotals
<br />COVER MAINTENANCE
<br />1 Soil (6" over landfill area)
<br />18,123
<br />CY
<br />$6.92
<br />$125,412
<br />2 Hydroseed
<br />23
<br />AC
<br />$3,860
<br />$88,780
<br />3 Mowing
<br />674
<br />AC
<br />$200
<br />$134,800
<br />$348,992
<br />Cover Repair Subtotal
<br />LEACHATE COLLECTION
<br />4 Operation, Maintenance, Disposal
<br />10
<br />EACH
<br />$11,360
<br />$113,603
<br />5 Leachate Sampling
<br />10
<br />EACH
<br />$504
<br />$5,040
<br />6 Leachate Analysis
<br />10
<br />EACH
<br />$700
<br />$7,000
<br />Leachate Collection Systems Subtotal
<br />$125,643
<br />LFG (MIGRATION) MONITORING
<br />7 Soil Gas Sampling
<br />1
<br />LS
<br />$5,568
<br />$5,568
<br />8 Soil Gas Analysis
<br />1
<br />LS
<br />$7,000
<br />$7,000
<br />9 Surface Emission Monitoring
<br />1
<br />LS
<br />$54,000
<br />$54,000
<br />$66,568
<br />Perimeter Monitoring Subtotal
<br />LFG CONTROL SYSTEM
<br />10 Maintenance and Operation
<br />1
<br />LS
<br />$1,402,000
<br />$1,402,000
<br />LFG System Subtotal
<br />$1,402,000
<br />GROUNDWATER AND SURFACE WATER MONITORING
<br />11 Groundwater and Surface Water Sampling 24
<br />EACH
<br />$5,089
<br />$122,126
<br />12 Analysis (Included in No. 11 above)
<br />13 Monitoring Well Maintenance 24
<br />EACH
<br />$763
<br />$18,312
<br />Groundwater and Surface Water Monitoring Subtotal
<br />$140,438
<br />VADOSE ZONE MONITORING
<br />14 Vadose zone sampling
<br />20
<br />EACH
<br />$126
<br />$2,520
<br />15 Analysis
<br />20
<br />EACH
<br />$200
<br />$4,000
<br />$6,520
<br />Vadose Zone Monitorinq Subtotal
<br />DRAINAGE
<br />16: See Note
<br />1
<br />LS
<br />$10,277
<br />$10,277
<br />Drainage Subtotal
<br />$10,277
<br />SECURITY
<br />17: See Note
<br />1
<br />LS
<br />$2,917
<br />$2,917
<br />Security Subtotal
<br />$2,917
<br />SETTLEMENT ANALYSIS
<br />18: Note
<br />1
<br />LS
<br />$15,000
<br />$15,000
<br />Settlement Analysis Subtotal
<br />$15,000
<br />DECOMMISSIONING
<br />19: See Note
<br />1
<br />LS
<br />$0
<br />$0
<br />Decommissionin Subtotal
<br />$0
<br />OTHER
<br />20: Inspections and Record Keeping
<br />100
<br />Hrs
<br />$160
<br />$16,016
<br />Other Subtotal
<br />$16,016
<br />TOTAL ESTIMATED ANNUAL COST
<br />$2,134,371
<br />11 U 1 AL GUb 1 UVtK 3U YtAKS 564.031.131 1
<br />Al:= acre
<br />CY = cubic yard
<br />LS = IumD sum
<br />Landfill area = 674 acres
<br />Maintenance Cover thickness = 0.5 feet
<br />Foothill Sanitary Landfill San Joaquin County DPW - Solid Waste
<br />\\PWVMPF01\sharesWaint-Ops\OSdidWaste\Engineering\1Foothill\CalRecyde\2017 JTD Revision\2017 March WDR Revs\2017315 PCPCMP Revised 3/15/2017
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