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5 6 Grading, Topsoiling, Seeding and Mulching Cost Estimate Average Topsoil Replacement = 21 inches Item Rough grading with dozer (4 hrs/ac x $118 hr) Scarify with grader (2 hrs/ac x $57 hr) Topsoil distribution (scraper, 1000 ft haul) (2823 BCY/ac x $.40JBCY) Final grading with grader (2 hrs/ac x $57 hr) Discing with grader (2.1 hrs/ac x $57 hr) Seed with stubble mulch (contract) Seed with permanent grasses (contract) Mulch with wood chips 80 cy/ac x $10/25 cy (hauling) + $50/ac (load and spread) SUBTOTAL Ponds, Roads, Ditches, Fences $/Acre 4.7 2 114 1129 114 122 120 250 82 $2403/acre Since the main haul road providing access to the county road also serves the M&T oil well, it is unlikely that the BLM will require this road to be reclaimed. Only approximately 1000 ft of the presently detoured road will be reclaimed at the following estimated cost: (1.2 acres) ($2403/acre) _ $2883 ($2903/acre derived in Step 5). There are five ponds to be reclaimed by dewatering, desilting, redistributing the dam embankment material to blend with adjacent contours, topsoiling and other revegetation procedures. Most dirt moving for pond reclamation will be done with a Caterpillar D-9 dozer. The approximate costs for pond reclamation are estimated as follows: Pond #1 Area Disturbed: 2.0 acres Embankment Volume: 5185 BCY Dozer to distribute embankment material (150 ft push) 5185 BCY x $.25/BCY = $1296 Topsoil and revegetate 2.0 acres x $2403/acre = $4806 TOTAL POND #1 = $6102 Pond #2 Area Disturbed = .5 acres Embankment Volume: 926 BCY 926 BCY x $.25/BCY = $232 .5 acres x $2403/acre = 1202 TOTAL POND #2 $1434 Pond #3 Area Disturbed = .2 acres Embankment Volume: 444 BCY 494 BCY x $.25JBCY = $111 .2 acres x $2403/acre = 981 TOTAL POND #3 $592 Pond #4 Area Disturbed: 1.2 acres Embankment Volume: 2000 BCY 2000 BCY x 5.25/BCY = $500 1.2 acres x $2403/acre = 2884 TOTAL POND #4 $3384 - i r~_