Laserfiche WebLink
~etual Production Rate =Volume lloved/Area + Adjusted Production Rate <br />= 8,067 yds3 of materiaVacre + 664 yds3/hr <br />= 12.14 hrs/acre. <br />burly Equipment/Labor Costs <br />lame as that for Regrading Final Pits = $147.02/hr. (see Category 1) <br />Jnit Cost to Rough Grade <br />Unit Cost = (Labor Rate + Equipment Rate) x Production Rate <br />_ $147.02/hr x 12.14 hrs/acre <br />$ 1,786.29/ acre. <br />Year <br />by Year: Reclamation Renoir d x j]nit Cost =Yearly Cost <br />1 124 acres $1,786.29/ acre 5221,500 <br />2 9 acres "' 516,077 <br />3 8 acres "" 514,290 <br />4 8 acres "° 514,290 <br />5 9 acres "" 516,077 <br />• 3. TOPSOIL REPLACEMENT <br />Site SoeciFc Details <br />• Topsoil will be replaced on Road, Facility, Stockpile, and Mined Areas with Cat 637 <br />D P-P scrapers. <br />• Cat 637 D P-P scrapers have a 4% rolling resistance and a 6% downhill loaded <br />grade. <br />• Each haul will be an average 3,500 feet and move = 25 yds3 of material. <br />• Topsoil is replaced to an average depth of 11 inches in the Moffat area, requiring <br />1,480 yds3/acre; in West Ridge the average depth is 7.3 inches, requiring 980 <br />yds3/acre. <br />a. Production Rate <br />Volume/Cycle = 25 yds3 of materiaUcycle <br />. 6 <br />December 12, 1991 <br />