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• <br />EQUIPMENT COST/PRODUCTIVITY SUMMARY <br />CATERPILLAR D-8K TRACKED DOZER <br />• Unit Cost <br />($3 ,415.00/wk + 40 hrs/wk) + $28.00/hr + $18.50/hr = $132.00/hr <br />• Productivity (average push distance 250') <br />560 Lcy/hr x 0.80 oper. x 0.95 matt. x 1.15 job x 0.87 swell = <br />425 Bcy/hr <br />CATERPILLAR 621-B TRACTOR SCRAPER <br />• Unit Cost <br />($3,995.00/wk ~ 40 hrs/wk) + $33.65/hr + $18.50/hr = $152.00/hr <br />• Productivity (average haul distance 800') <br />340 Lcy/hr x 0.80 oper. x 0.95 matl. x 1.20 job x = 310 Bcy/hr <br />. CATERPILLAR 12-G MOTOR GRADER <br />• Unit Cost <br />($2 ,075.00/wk ~ 40 hrs/wk) + $13.65/hr + $18.50/hr = $84.00/hr <br />• Productivity <br />Grading (12' x 0.67) x 4 mph x 5,280'/mi a 43,560 ft2/acre e 3 <br />passes x 0.80 oper. x 1.10 job = 1.14 acres/hr <br />Ripping (7.5' x 0.67) x 3 mph x 5,280'/mi 43,560 ft2/acre e 1 <br />pass x 0.80 oper, x 1.10 job = 2.40 acres/hr <br />50 HORSEPOWER FARM TRACTOR WITH IMPLEMENTS <br />• Unit Cost <br />($80.00/day ~ 8 hrs/day) + $13.45/hr + $14.00/hr = $28.00/hr <br />• Productivity <br />Seedbed preparation and contour furrowing <br />(12' x 0.67) x 4 mph x 5,280'/mi ~ 43,560 ft2/acre a 2 passes <br />• x 0.80 oper, x 1.00 job = 1.56 acres/hr <br />-8- <br />