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tsrfmarea rtecfamauon r;osts : f apfe mounram <br />Backfilled Highwalls - <br />Slope length = 100 feet <br />Backfilled length= 8,223 feet <br />Highwall face area= 822,300 square feet 18.88 acres <br />Mean soil depth= 10 inches <br />Soil Volume = 685,250 cubic feet <br /> 25,380 cubic yards <br />Cost/cu yd = $0.50 per cubic yard (part of cost is included in backfill cost) <br /> NOTE: Topsoiling and Backfilling Cost combined = $1.25 per cubic yard <br />Cost of Topsoiling = $12,689.81 Highwalls only (would be done along with backfilling) <br />Other Areas (stockpiles, plant, etc): <br />Unreclaimed quarrying area = 26.6 acres (Area A and B) <br />Probable mean depth of soil = 7 inches <br />Probable volume of soil required = 675,906 cubic feet <br />25,034 cubic yards <br />Cost of topsoiling per unit = $1.05 per cubic yard <br />Cost of topsoiling quarry Floor = $26,285.23 <br />TOTAL COST FOR TOPSOILING = $38,975.05 <br />Quarry Area Proper <br />Area to be planted <br />Seed cosUlb mix <br />Lbs/acre <br />Cost/acre <br />Seed cost <br />Cost to planUacre <br />Planting cost <br />Quarry Seed Cost = <br />45.48 acres (worst case <br />$4.50 (bulk) <br />22.25 <br />$100.13 seed only <br />$4,553.43 <br />$80.00 (broadcast) <br />$3,638.19 <br />$8,191.62 <br />Other Disturbances (stockpile area, etc) <br />Area to be planted 7 acres (estimated) <br />Seed cosUlb mix $4.50 (bulk) <br />Lbs/acre 22.25 <br />Cost/acre $100.13 seed only <br />Seed cost $700.88 <br />Cost to planUacre $80.00 (broadcast only) <br />Planting cost $560.00 <br />Other Disturb. Cast = $1,260.88 <br />Total <br />highwall slopes + quarry floor) <br />_ $9,452.49 <br />