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v <br /> Foothill Sanitary Landfill Preliminary Closure Plan <br /> Revision #1 May 6, 1994 r <br /> FILL OPEN MODULE <br /> In the worst case scenario, a portion the next module being used <br /> for daily cover on the active module would have to be filled. It <br /> is estimated that approximately 10 acres would have to be filled <br /> with 10 feet of soil to bring the area back to natural grades. <br /> Cost to fill approximately 10 ft in <br /> part of third module (10 acres) <br /> a. (10 ft. x 435, 600 sq. ft. /27 <br /> = 161,333 c.y. ) <br /> b. (161, 333 x $ .70/c.y. )= $ 112,933 <br /> REVEGETATION <br /> Cover soil will be placed, compacted, graded, and revegetated. <br /> The vegetative layer will be 1.0 foot thick. This layer will be <br /> planted with drought resistant grass which should not require <br /> irrigation. <br /> * Seeding will be accomplished by hydroseeding for the <br /> landfill areas. <br /> * The maximum seeding rate will be 40 pounds per acre <br /> * Fertilizer will be applied at a rate of 400 pounds/acre. <br /> * Mulch will be applied at a rate of 1500 pounds/acre. <br /> * All costs below include labor <br /> 3 . COST - 80 ACRE EXISTING AREA <br /> Landfill• <br /> a. Seed @ 40 pounds per acre <br /> ($12 .50/lb X 40 X 80) _ $ 40, 000 <br /> b. 16-20-0 fertilizer @ $200 per acre <br /> ($. 50/lb X 400 x 80) _ $ 16, 000 <br /> C. Mulch @ $300/acre = <br /> ($. 20/lb X 1500 X 80) _ $ 24 , 000 <br /> Total Revegetation $80,000 <br /> 22 <br />