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i <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />! <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 />ter~ basis. This quantity of 8,100 cubic <br />yards is'available on-site. <br /> <br />B,IOD cu. yds. at $1.00/cu. yd. hauling <br />plus $l.O0/cu. yd. placing and grading <br />B,IOD x $2.00/cu. yd. <br /> <br />Construct surface water control features <br /> <br />Seeding and Mulching <br /> <br />Ten acres will require fertilization, <br />seeding and mulching. <br /> <br />10.0 acres at $1,000/acres <br /> <br />4. Survey and Certification <br /> <br />40 manhours field testing at $20/manhour <br />Aerial topographic map of site <br /> <br />80 manhours professional engineer inspection <br /> and closure report preparation at <br /> $35/manhour <br /> <br />$ 16,20D <br />$ 30,000 <br /> <br />$ lO,000 <br /> <br />$ 800 <br />$ 5,000 <br /> <br />$ 2,800 <br /> <br />SUBTOTAL, CLOSURE COSTS <br /> <br />CONTINGENCY AND ADMINISTRATION AT 15% <br /> <br />TOTAL SITE END-OF-LIFE CLOSURE COSTS <br /> <br />$129,200 <br />$ 19,400 <br />$148,600 <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, lhe 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 /> Waste Management of Minnesota, Inc. will provide financial <br /> assurance for post-closure care costs in a letter of credit. This <br /> total amount required is based on the remaining capacity at the site as <br /> <br />11 <br /> <br /> <br />