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APPENDIX 2.05.4-4 (Continued) <br />• Cost Breakdown (continued): <br />b. Production <br />Scraper 530 BCY/hr <br />Job correction factors: <br />50-minute hour .84 <br />Operator effective .75 <br />Grade .90 <br />Altitude .94 <br />Adjusted production 282 BCY/hr <br />Dozer: Assume the dozer can shape 1 acre/hr <br />c. Time <br />Scrapers: 400,000 BCY/282 BCY/hr = <br />1416 hrs <br />Dozer: 60 acres x ac/hr = 65 hrs <br />d. Cost <br />6578: 5308.33/hr x 1416 hrs 5436,595.00 <br />D-9H: 5247.14/hr x 65 hrs 16,064.00 <br />Total Backfilling Costs 5452,659.00 <br />2. Topsoi]ing pit (plus T/S sampling) <br />• Assuming 80,000 BCY to be spread <br />a. Equipment - Cat 6578 p/p scraper <br />b. Production.- 282 BCY/hr <br />c. Time - 80,000 BCY/282 BCY/hr = 284 hrs <br />d. Cost <br />Respreading: 5308.33/hr x 284 hrs S 87,565.00 <br />T/S sampling: Sampler/worker 150.00 <br />Lab analysis: 530/sample x 10 samples 300.00 <br />Total T/S Cost 88,015.00 <br />3. Sediment pond construction/removal/topsoiling <br />Assume 3 existing/2 proposed <br />a. Construction costs of proposed ponds <br />2 @ 525,000 S 50,000.00 <br />b. Removal and topsoiling costs <br />(1) Equipment <br />. Cat D-9H dozer <br />7-yard front-end loader <br />- 355 - (Rev. 5/86) <br />