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Item Description Units Unit Price Quantity Total Cost <br />1C Final Evaportranspirative (ET) Cover <br />Components: Surveying and setting grade stakes for the final ET cover; stripping of existing vegetation on the <br />landfill; verification of thickness of existing intermediate cover after stripping; recompacting, moisture <br />conditioning top of existing intermediate cover; placing, moisture conditioning, compacting additional 3.5 feet <br />of new ET cover layer; and as-built survey. <br />Grade Staking Surveying ls 31,000.00$ 1 31,000$ <br />Potholing to verify thickness of interim cover, labor hr.91.00$ 416 37,857$ <br />Foreman hr.131.83$ 2496 329,041$ <br />Water Pull w/Operator hr.$601.15 3744 2,250,696$ <br />D8 Dozer w/ Operator hr.409.66$ 4992 2,045,040$ <br />Scraper w/ Operator hr.432.41$ 29360 12,695,572$ <br /> Compactor w/Operator hr. 343.47$ 14976 5,143,799$ <br /> Motor Grader w/Operator hr. 319.18$ 4992 1,593,354$ <br />Grade Checker hr.125.90$ 4992 628,498$ <br />Subtotal ET Cover 24,754,858$ <br />1D Settlement Survey Monument <br />Components: Installation of two permanent survey monuments <br />Steel Posts ls 244.00$ 60 $14,640 <br />Sac-crete ls 122.00$ 60 $7,320 <br />Laborers hr.91.00$ 120 $10,920 <br />Subtotal, Settlement Survey Monuments $32,880 <br />FINAL COVER (Cont.) <br />FOOTHILL SANITARY LANDFILL <br />Foothill Sanitary Landfill Prelim Closure-Postclosure Cost Estimate August_2025_Final.xlsx Page 2 of 15