2005-01-07_REVISION - M2004022 - Laserfiche WebLink

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EXHIBIT L: Reclamation Cost Estimate RAINDANCE RESERVOIR (East Pit) Item Quantity Cost Total Overburden replacement/backfill' 66,200 yds3 $0.40 yd3 $26,480 Topsoil Replacement 29,750 yds3 $0.40 yd3 $11,900 Grading Stockpile & Plant Site2 (If no surcharge reservoir) 6.0 acres $200 /acre $1,200 Seeding -reservoir cut slopes 3.3 acres $400 /acre $1,320 Seeding-Stockpile & Plant site2 (If no surcharge reservoir) 6.0 acres $400 /acre $2,400 Pond Dewatering 600 ac-ft $60/ac-ft $36,000 Clay Liner Excavation, Placement, Conditioning and Compaction 161,300 yds3 $1.00 /yd3 $161,300 Construction QA/OC _ 1 ~ $25,000 $25,000 Mobilization/Demobilization 1 $20,000 $20,000 Direct Cost $285,600 Insurance, Performance Bond and Protit (15%) $41,840 Total Cost $328,440 SURCHARGE RESERVOIR (West Pit) Item quantity Cost Total Overburden replacemenl/backfill' 154,650 yds3 $0.40 yd3 $61,860 Topsoil Replacement 9,700 yds3 $0.40 yd3 $3,880 Grading Stockpile & Plant Site2 (It surcharge reservoir is constructed) 6 acres $200 /acre $1,200 Seeding -reservoir cut slopes and fill areas 8.6 acres $400 /acre $3,440 Seeding-Stockpile & Plant site2 (If surcharge reservoir is constructed) 6.0 acres $400 /acre $2,400 Pond Dewatering 100 ac-ft $60/ac-ft $6,000 Clay Liner Excavation, Placement, Conditioning and Compaction 0 yds3 $1.00 /yd3 $0 Construction QA/OC 1 $15,000 $15,000 Mobilization/Demobilization' Direct Cost $93,780 Insurance, Performance Bond and Profit (15%) $14,067 Total Cost $107,847 1. The overburden total is less the volume to be used for haul road and plant site construction. 2. The re-grading and re-seeding of the stockpile locations and the plant site location shall occur only once, and is a function of the surcharge reservoir construction. 3. If surcharge reservoir is constructed there will not be a mobilization fee as equipment will already be on-site. The demobilization fee shall only occur once and that fee was included in Raindance Reservoir cost.