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Item Description Units Unit Price Quantity Total Cost <br />5 DRAINAGE CONTROL <br />Components: Construction of drainage benches & top deck berm, installation of culverts & downdrains, <br />construction of grouted rip rap aprons, and concrete lining of channels. <br />Apron Rip-rap dissipaters sf 40.00$ 100 4,000$ <br />Air-Blown Mortar, Material sf 60.00$ 100 6,000$ <br />Culverts and Downdrains, Material lf 43.00$ 372 15,996$ <br />Scraper w/ Operator hr.432.41$ 168 72,645$ <br />D4 Dozer w/ Operator hr.$201.25 168 33,810$ <br /> Compactor w/Operator hr.343.47$ 168 57,703$ <br /> Motor Grader w/Operator hr.319.18$ 168 53,622$ <br />Water Truck w/Operator hr.209.50$ 168 35,197$ <br />Grade Staking and Survey ls 6,100$ 1 6,100$ <br />Foreman hr. 131.83$ 168 22,147$ <br />Laborers (four)hr. 91.00$ 672 61,154$ <br />Subtotal, Drainage Control 368,374$ <br />DRAINAGE CONTROL <br />FOOTHILL SANITARY LANDFILL <br />Foothill Sanitary Landfill Prelim Closure-Postclosure Cost Estimate August_2025_Final.xlsx Page 5 of 15