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Estimated ReclamatioPcosts : Table Mountain Quarry (JaNa 1999) <br /> Topsoiling <br /> Backtilled Highwalls- <br /> Slope length = 86 feet <br /> Backfilled length= 1600 feet <br /> Highwall face area= 137600 square feet 3.16 acres <br /> Mean soil depth= 10 inches <br /> Soil Volume = 114667 cubic feet <br /> 4,247 cubic yards <br /> Costicu 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 $2,123.46 Highwalls only (would be done along with backfilling) <br /> Quarry Floor- <br /> Unreclaimed current quarrying area = 8 acres (slightly more than 2 years of mini <br /> Unreclaimed previous disturbance = 11.3 acres (all in Stage 2) <br /> Total area that would require topsoiling = 19.3 acres (worst case) <br /> Probable mean depth of soil = 7 inches <br /> Probable volume of soil required = 490413 cubic feet <br /> 18,163 cubic yards <br /> Cost of topsoiling per unit = $1.05 per cubic yard <br /> Cost of topsoiling quarry floor = $19,071.62 <br /> TOTAL COST FOR TOPSOILING = $21,195.07 <br /> Revegetation <br /> Quarry Area Proper <br /> Area to be planted 22.46 acres (worst case-hghwall slopes + quarry floor) <br /> Seed cost/lb mix $4.50 (bulk) <br /> Lbs/acre 22.25 <br /> Cost/acre $100.13 seed only <br /> Seed cost $2,248.69 <br /> Cost to plant/acre $80.00 (broadcast) <br /> Planting cost $1,796.71 <br /> Quarry Seed Cost = $4,045.40 <br /> Other Disturbances (stockpile area,etc) <br /> Area to be planted 7 acres (estimated) <br /> Seed cost/lb mix $4.50 (bulk) <br /> Lbs/acre 22.25 <br /> Cost/acre $100.13 seed only <br /> Seed cost $700.88 <br /> Cost to plant/acre $80.00 (broadcast only) <br /> Planting cost $560.00 <br /> Other Disturb. Cost = $1,260.88 <br /> Total Reve etatlon = $5,306.28 <br />