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i <br />1 <br />Roads <br />30 acres of roads to be reclaimed. <br />A. Ri in <br />Assume top foot will be ripped. <br />D-7 dozer can rip approximately 2.5 acres/hour. <br />30 acres x 1 hour/2.5 acres x $90/hour = $ 2,700 <br />B. Grading <br />Assume top foot will be graded over all roads. <br />30 acres x 43,560 ftz/acre x 1 ft x 1 yd3/27 ft3 = x8,400 yd3 <br />Grading production from previous calculations is 1,089 yd3/hour. <br />1 hour/1,089 yd3 x 48,400 yd3 x $90/hour = $ 4,000 <br />C. Toasoil Reolacement <br />1.5 feet of topsoil will be replaced. <br />30 acres x 43,560 ftz/acre x 1.5 ft x !yd3/27ft3 = 72,600 yd3 <br />Scraper production is 208 yd3/hour. <br />72,600 yd3 x 1 hour/208 yd3 x $95/hr = S 33,159 <br />D. Toasoil Grading <br />Using a production of 1,089 yds3/hour. <br />72,600 x 1 hour/1,089 yds3 x $90fhour = $6,000 <br />TOTAL ROAD RECLAMATION COSTS ALL PHASES <br />(not including revegetation) <br />L-17 <br />$ 45,859 <br />(Revised 4/20!89) <br />(Revised 3/14/89) <br />