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" • f1�,�t6 • • n.;F" " - .ti•. rS,vri.;st E=yi-. '^ • <br /> a contractor) . <br /> 20 weeks x 40 hrs/week x $104. 14/hr = $83, 312 <br /> b) Cat 631D Scraper <br /> Although the 980 loader and trucks could be used to move the soil <br /> at the Sutey Pile, it is likely to be much more efficient if a <br /> scraper is used such as the Cat 631D. Using software based on <br /> estimating procedures of the Cat Handbook , an estimate of the job <br /> is made. Important inputs for the job are listed below: <br /> - assume a soil coverage depth of 20 inches (will meet permit <br /> requirements) over an area of 13. 1 acres. This results in a volume <br /> of over 35 ,000 cubic yards . <br /> - average haul distance is approximately 560 feet at an average <br /> loaded grade of 9 . 5%. <br /> - use only one scraper operating one shift per day . <br /> - since a scraper initially removed the topsoil from the area and <br /> built the two stockpiles , very little dozer help should be needed . <br /> The enclosed sheets show that the cost of the actual work is <br /> $18 , 376 . Adding 10% contractor profit results in a cost of $20 , 213. <br />