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BOREHOLE SEALING WORK <br />Task p: 55b <br />Mine: West Elk <br />Permit no.: C-80_007 <br />Permitting action: MR-35555 <br />Date: 6/15/09 <br />Prepared by: TAK <br />Cwt of bulk cement Water <br />(assuming 94 Ibs of Total rig Rig w/ crew 2,500 gal truck w/ Octoplug Cut surface Total cost <br />Hole Hole Cement cost <br />Total cement per 1.18 d of Cement <br />H <br />l <br />di <br />l <br />Rig setup time Rig time to time hourly rate Total rig <br />water truck <br />driver cost <br />(Circes, <br />casing & <br />before bond Total rig time (setup <br />o <br />e <br />am. vo <br />ume per cwt <br />depth (ft) hole, that is 100 Ibs total cost <br />(in) (cf) <br />CIRCES <br />per hole (hr) fill hole (setup + (Circes, Reed cost w/driver <br />(rig fill $19.57 mark % Liab. release or <br />fill), reduced for liab. % <br />( <br />) <br />of cement fills 1.25 <br />fill) drill, 9.0") hourly rate <br />time x per in. <br />(Circes, <br />increment <br />cf) (Circes) truck rate) diam.) 510.9011f) obligation <br />Geotechnical Holes, approved in MR-355 (2 on MSB cut-slope, 3 on top of LRP) <br />109-8 10 55 30 24.0 $8.78 $211 0.50 0.50 1.00 $193.22 $193 $60 $30 $196 $29 100% $658 1.00 <br />109-9 10 55 30 24.0 $8.78 $211 0.50 0.50 1.00 $193.22 $193 $60 $30 $196 $29 100% $658 1.00 <br />LRP-1 10 55 30 24.0 $8.78 $211 0.50 0.50 1.00 $193.22 $193 $60 $30 $196 $29 100% $658 1.00 <br />LRP-2 10 55 30 24.0 $8.78 $211 0.50 0.50 1.00 $193.22 $193 $60 $30 $196 $29 100% $658 1.00 <br />LRP-3 10 55 30 24.0 $8.78 $211 0.50 0.50 1.00 $193.22 $193 $60 $30 $196 $29 100% $658 1.00 <br />Subtotal - this page <br />Grand Total $3,291 5.00 rig hours <br />/ 2 rigs <br />2.50 project hours