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I COLOWTO COAL COMPANY <br />aaao Mm TERM REVIEW-TR-51 <br />TR -49 WEST PIT DISTURBANCE AREA MODIFICAmON <br />TA 48 • West PIt Dislurtance Area Modl0catlon <br />Bulldozer produclon eslMatian <br />Produclan =Maximum Production X CarteRfon FaAOre <br />9.22 Ace Area <br />Maximum Production of 010 with a SU Blade al an average doling distance o/ 150 R 1200 LCYArt. ((ram CAT handbook) <br />14.05 Ace Area <br />Maximum Pretluctlan at D70 wiN a SU Blade al an average dozing distance of 350 fl. 550 LCY/hr. (from CAT Handbook) <br />Correction Faeous N both caaea (Irem CAT handbook) <br />Operator 0.85 <br />Material lector 1.00 <br />Doing loeelor 1,20 <br />VIBIbIIBy 1,00 <br />Annuoe 0,98 <br />Dual un too <br />.ion e8lclency 0.83 <br />WeIgM comectbn 0,90 <br />CoeBkient olTredlon 1.00 <br />Direct Drive Trenamisslon 1.00 <br />Spoil Pile Factor 1.00 <br />Productbn <br />(LCYBrr.) LCY Haura <br />9.22 Acre 680 22,321 25 <br />14.05 Ace 403 33,995 84 <br />Bond Calculation <br />Ownm9 and <br />- Haan OpereWq Cml Per <br />Dozing Cast required Hour Talal Casl <br />(nrJ (S) (S) <br />8.22 Aaea 25 5168.27 54,288.13 <br />14.05 Acea 84 5168.27 314.194.39 <br />TOTAL OOZING COST 318,481.52 <br />Grading Cost <br /> Loose Cubio Bank Cuhk: Produc0on Equlpmmt <br /> Yerda Yarda Rela Haura Equipment Costa Total Casl <br /> (Lq) (BCr) (LCYMR) (nr.) (Slhr.) (5) <br />9.22 ACea <br />14G Molorgreder 28,785 22,321 t,fi74 16 559.60 5956.84 <br />14.05 Acroa <br />ib G Matargreder 40,794 33,995 1,674 24 559.80 51,457.28 <br /> <br />TOTAL GRADING COS75 32,414.11 <br />Re~~ision SuCmided _3 _,2\-O ~_____, <br />Revision No, -f R - S 1 <br />zs <br />