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32,~0C) cubic yards vtll be ~eeded. Of thts, <br /> foot must be _llterlal havtng a permeability <br />of less than lO'u (:m/sec. <br /> <br />I 32,000 cu. yds. at $1.00/cu. yd. haultng <br /> plus $).O0/cu. yd. plactng and gradtng· <br /> 32,000 x $2.00/cu yd. <br />I ~. Topsotl <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />The upper six inches must be capable of <br />supporting adequate turf cover on a long <br />term basts. This quantity of 8,100 cubic <br />yards ts available on-stte. <br /> <br />8,100 cu. yds. at $1.O0/cu. yd. hauling <br />plus $1.O0/cu. yd. placing and grading = <br />8,100 x $2.00/cu. yd. <br /> <br />3. Seeding and Mulching <br /> <br />Ten acres will require fertilization, <br />seeding and mulching. <br /> <br />lO.O acres at $I,O00/acres <br /> <br />4. Survey and Certification <br /> <br />40 manhours field testing at $20/manhour <br />40 manhours topographic survey of site <br /> at $50/manhour <br />80 manhours professional engineer inspection <br /> and closure report preparation at <br /> $35/manhour <br /> <br />$ 64,000 <br /> <br />$ 16,200 <br /> <br />$ 10,000 <br /> <br />$ 800 <br /> <br />$ 2,000 <br /> <br />$ 2,800 <br /> <br />SUBTOTAL, CLOSURE COSTS <br /> <br />CONTINGENCY AND ADMINISTRATION AT 5% <br /> <br />TOTAL SITE END-OF-LIFE CLOSURE COSTS <br /> <br />$ 95,800 <br />$ 4,800 <br /> <br />$1oo,6o0 <br /> <br /> Note that the above estimate assumes that the low permeability <br />soils required in the final cover will be available on-site. In the <br />past, water treatment plant sludge has been used to meet this cover <br />requirement. The operator has contracted for more than adequate <br />volumes of the water treatment plant sludge to complete the closure of <br />the site. . <br /> <br />10 <br /> <br /> <br />