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Unit TotalItem Description Units Price Quantity Cost1 FINAL COVER MAINTENANCEac NA674Components: Replace 6 inches of cover and re-vegetation of a portion of the final cover, and mowing of entire cover.Foreman hr. 131.83$ 10413,710$ Motor Grader w/Operator hr. 432.41$ 104 44,971$ Scraper w/ Operator hr. 319.18$ 104 33,195$ Pad foot Compactor w/ Operator hr. 343.47$ 104 35,721$ Water Truck w/ Operator hr. 209.50$ 104 21,788$ Grade Checker hr. 126$ 104 13,094$ Mowing ac 259.00$ 674 174,566$ Vegetation (hydroseeding, mulching, fertilizing) ac 4,992$ 23 114,816$ Total Cost 451,861$ 2 LEACHATE CONTROL AND MONITORINGComponents: Leachate management cost per gallon for 6,000 gallons annually. Sampling and testing of leachate on a quarterly basis.Operation, Maintenance, and Disposal sump 14,691.00$ 10146,910$ Subtotal, Pumping and Treatment Cost 146,910$ Sampling and Reporting sample 652$ 10 6,520$ Testing sample 906$ 10 9,060$ Subtotal, Annual Monitoring Cost 15,580$ Total Annual Cost 162,490$ TABLE C-2PRELIMINARY POST- CLOSURE OPERATIONS AND MAINTENANCE COST ESTIMATE FOOTHILL SANITARY LANDFILLAugust 28, 2025Foothill Sanitary Landfill Prelim Closure-Postclosure Cost Estimate August_2025_Final.xlsx Page 10 of 15