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TR 99-33 - Face Extension, Gateroad and Associated Area Development, <br />Low Quality Coal Stockpile, Bond Reduction and Incidental Permit Boundary <br />Chance <br />LOW QUALITY COAL STOCKPILE REGRADE <br />1.) ASSUMPTIONS <br />a. push material into adjacent pit <br />b. push is flat <br />c. average push distance is 700 feet <br />d. 400.000 tons or LCY to push <br />e. use a D I OR ($177.46) <br />2.) PRODUCTION <br />a. unadjusted production - 375LCY/lu <br />b. adjusted production - 322 LCY/Iv <br />c. adjusunent factors <br />1. operator - 0.75 <br />2. material consistena~ - 1.2 <br />3. dozing melJtod - 1.2 <br />4. visibilip - I <br />5. job efficiency - .R3 <br />6. weight - L I S (low quali[}~ coal 74 Ibs/cf) <br />3.) COST <br />a. 400000 LCY/322 LCYAu = 1242 lus. <br />• b. 1242 lus x $177.46A>r = <br />c. 17% Adm Fee = <br />d. Total = <br />4J BOND REDUCTION <br />a. existing band = <br />b. bond reduction = <br />TOTAL BOND REDUCTION FOR TR 99-33 = <br />• <br />$220,447 <br />37,476 <br />$257,923 <br />$517,204 <br />$259,284 <br />$259,284 <br />TR 99-33 84 07/01/99 <br />