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The 6" boreholes well be drilled with a small drill rig. The maximum depth of the holes is <br />estimated to be 70 feet. <br />Sealin Ex ense <br />Hole Variables <br />Number of Holes to be Sealed <br />3 <br />Holes <br />Miles of Road to be Reclaimed <br />- <br />Miles <br />Rotary Hole Diameter <br />6.0 <br />Inches <br />Rotary Footage <br />210.0 <br />Feet <br />Cubic Foot of Hole pSr Sack of Cement <br />2 <br />CF <br />Sealing Materials - Variables <br />Cement per Sack <br />$ 10.90 <br />Bentonite per 3 cu.ft. Sack <br />$ 6.00 <br />Plus <br />NIA <br />Hole Markers <br />$ 3.81 <br />Sealing Materials - Volumes <br />Cement in Sacks <br />20.62 <br />Each <br />Bentonite in Sacks <br />Each <br />Plus <br />3 <br />Each <br />Hole Markers <br />3 <br />Each <br />Rig Expense <br />_Rig Time to Pull Casing <br />Rig Time to Seat Hole <br />1 <br />Hours <br />Rig Time per hour Cost <br />$ 384.34 <br />Total Cost Sealing Rig Cost <br />$ 1,153 <br />Water Cost <br />Hours per Hole <br />1 <br />Hours <br />Cost per Hour for Water Truck and Driver <br />$ 6170 <br />Total Water Cost <br />$ 191.10 <br />Sealing Materials - Expense <br />Cement in Sacks <br />$ 224.72 <br />Bentonite in Sacks <br />$ - <br />Plugs <br />NIA <br />Hole Markers <br />$ 11.43 <br />Total Cost Sealing Materials <br />$ 236.15 <br />Total Seating Expense <br />$ 1,580 <br />Job supervision hours <br />4 <br />Job supervision cost <br />$234 <br />Profit, insurance, and bond 12.07% <br />$207 <br />Contract = Direct + Overhead <br />$2,021 <br />Engineering 4.25% of Contract <br />$86 <br />Reclamation management 5% of Contract <br />$101 <br />Estimated bond <br />$2,208.00 <br />MR -99 Exhibit 28- Page 216 Revised 12/28/11 <br />