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Main Cresson Mine Reclamation - <br />Mass Earthwork Growth Media Haul /Place, <br />and Reveaetation <br />Scraper <br />Productivity <br />Source 1 <br />Source 2 <br />Source 3 <br />Source 4 <br />What is the selected equipment to haul growth medium? <br />623 Scrapers <br />rce Volume Haul Dist Prod Hours <br />How many scrapers will be used? <br />3 <br />14 <br />25,00 0 <br />7,200 <br />76.0586 <br />329 <br />What is the area for growth medium replacement? <br />608.5 acres <br />rGII <br />27a <br />159,858 <br />6,841 <br />79.D967 <br />2021 <br />What is the thickness of growth medium replacement? <br />0.5 feet <br />30 <br />42,221 <br />6,607 <br />81.2256 <br />520 aCalculated <br />quantity of growth medium required = <br />490,755 cu yds <br />37 <br />20,326 <br />5,250 <br />96.8377 <br />210 <br />4.5 <br />4.7 <br />4.8 <br />5.5 <br />12.8 <br />0 <br />0 e <br />265.0 <br />273.8 <br />TotallAverage <br />247,405 <br />6,706 <br />80.3042 <br />3,070 <br />15 -Main Cresson <br />3/21/2014 <br />Total Fleet <br />Source 1 <br />Source 2 <br />Source 3 <br />Source 4 <br />Source 5 <br />Hours <br />Haul Distance <br />7,200 <br />6,841 <br />6,607 <br />5250 <br />0 <br />Loaded Travel Time <br />6.0 <br />5.7 <br />5.5 <br />4.4 <br />0.0 <br />Regression at 1307.7 feet per min -6 %grade <br />Empty Travel Time <br />2.5 <br />2.4 <br />2.3 <br />1.9 <br />0.0 <br />Regression at 2,724 feet per min -6 % grade <br />Total Cycle Time <br />13.3 <br />12.9 <br />12.6 <br />11.0 <br />4.7 <br />Truckloads per hour <br />4.5 <br />4.7 <br />4.8 <br />5.5 <br />12.8 <br />Productivity <br />265.0 <br />273.8 <br />279.9 <br />321.2 <br />748.9 <br />277.3 <br />Fleet Hours Required <br />94.3 <br />583.7 <br />150.8 <br />63.3 <br />0.0 <br />892.2 <br />Productivity by Regression Equation <br />229.7 <br />236.4 <br />240.7 <br />265.8 <br />362.9 <br />15 -Main Cresson <br />3/21/2014 <br />