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Page 5 <br />TETRA TECH RMC Mr. Berhan Keffelew <br />July 27, 2004 <br />IX) <br /> <br />The petroleum products tanks and associated portable containment and <br />storage facilities are assets of the applicant and will be removed from the site <br />by or on behalf of the applicant. Please refer to item III-B above. <br />Pursuant to the Division of Minerals and Geology's September, 2000 "Guide <br />to Specification Preparation for Slurry Walls and Clay Liners as a Component <br />of a Colorado Mined Land Reclamation Permit", draft construction <br />specifications for the slurry wall are attached for your information. The <br />estimated cost for the slurry wall bonding at 20% is below: <br />Activity Quantity Units Unit Costs Cost <br />A. Slurry Wall: 20% of estimated cost <br />1 Excavation, Materials, and Labor <br />Total of 344,400 sf @ 20%= 68,880 sf 68,880 sf $ 3,00 $ 206,640.00 <br /> > Subtotal -$ 206,640.00 <br />Total Slurry Wall Cost @ 20% $ 206,640.00 <br />Contractor Mobilization (8%) $ 16,531.20 <br />Overhead (18.5%) $ 38,228.40 <br />Administration (5%) $ 10,332.00 <br />Total $ 271,731.60 <br />B) As stated under Exhibdt "E ", the recalamdion warranty assumed 12 inches <br />cover of overburden/ top- soil over the entire 28.1 acres. <br />The operator will place a minimum of 12 inches of overburden/top soil over <br />the entire 28.1 acres of disturbance in Phase 3. <br />EXHIBITS "M", "N", "O ", "P "AND " "Q"ADEQUATE <br />Noted <br />EXHIBIT "S" PERMANANET MAN MADE STR UTURES. <br />A) The operator agrees to conduct visual inspections of the excavated high walls <br />on a weekly basis for the first 6 months of mining. This inspection will include, <br />walking the existing ground and looking for any signs of stress cracks or other <br />potentials of slope failure. <br />The operator does agree to do this. <br />