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Coulson Excavating Company, Inc. -Stroh Gravel Pit <br />Exhibit L -Reclamation Costs <br />Due to the high total bond amount, Coulson Excavating Company requests that the bond be <br />broken up between three areas: 1) the east portion of Stroh pit, 2) the west portion of Stroh pit <br />and 3) the central portion of Stroh pit. Table 1 gives an estimate of bond costs for the east portion <br />of Stroh pit. Table 2 gives an estimate of bond costs for the central portion of Stroh pit. Table 3 <br />gives an estimate of bond costs for the west portion of Stroh pit. <br />Table 1 -Bond Cost Calculations for East Portion of Stroh Pit <br />Item Description Unit Unit Cost Amount <br />No. <br />1 Overburden replacement (backfill & grade to <br />3:1 slope) <br />• Cell 1 (South Zone) 260,528 yd3 $0.29 $75,553.12 <br />• Cells 1 - 7 (North Zone) 105,953 yd3 $0.29 $30,726.37 <br />2 Topsoil replacement 13,714 yd3 $0.58 $7,954.12 <br />3 Pond liner construction <br />• Rip shale from pit floor 50,108 yd3 $0.15 $7,516.20* <br />• Spreading liner material 50,108 yd3 $0.80 $40,086.40* <br />• Moisture conditioning, blending, 50,108 yd3 $0.10 $5,010.80* <br />grading, and compaction of lifts <br />4 Pond liner construction QaQc -- -- $1,166.67 <br />5 Dewatering (Sediment) pond <br />• During Mining 0.5 acres $140.00 $70.00 <br />6 Topsoil preparation & revegetation 17 acres $500.00 $8,500.00 <br />7 Mobilization/Demobilization of eauioment -- -- <br />___T_otal Estimated Cost $1 <br />-*These costs are not final pending approval of liner construction design from the State <br />Engineer's Office. <br />H:\Stroh\word\DMG\Exhibit L.doc <br />