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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - COMPACTION WORK <br />Task p: 239 Prep. by: SLB Task filename 0007-239 <br />____________ _________ _____________ <br />Date: 2R-Apr-97 Permit p:C-RO-007 Mine: West Elk Mine <br />____________ _________ _____________________________________ <br />Permit Action: Pe rmiC Revision No. 7 <br />_________________________________________________________________ <br />Task Description: Compact main access road backf ill material <br />HOURLY EQUIPMENT COST <br />_____~_______________ Make and model: CAT a25C Horsepower: 315 <br />Compactor type: Reclamation Shift basis: 1/day <br />___________________ ______________ <br />Utilization k <br />Cost Breakdown - Ownership cost/hr = $65.14 N/A <br />-------------- Ope racing cost/hr = 546.98 100 <br />Operator cost/hr = $22.95 N/A <br />Total = $135.07 Total flee[ cos[/hr: 5135.07 <br />MATERIAL QUANTITIES <br />Loose Shrinkage Compacted <br />volume = 102,263 LCY fa c[or = 0.R]5 volume = 89,900 CCY <br />Source of quantity take-off: Table 2 of Exh. 69 <br />Source of load factor: Division estimate, 50& rock - SOt dirt <br />HOURLY PRODUCTION <br />Elements: IW) Compacted width per pass = ].33 ft. Production Formula: <br />-------- (S) Average speed = 4.00 mph ------------------ <br />(L1 Compacted thickness of lift = 12.00 in. (W)•IS)•IL)•IC) <br />(CI Conversion constant = 16.3 --------------- <br />(P) Required number of machine passes = 4 (P1 <br />Unadjusted hourly unit product ron 1,433.75 CCY/hr <br />Sob Condition Correction Factors: <br />________________________________ <br />Site altitude = 7,000 ft. Altitude adj. fdCLOL = 1.00 (Cat tbl) <br />------- Sob efficiency factor = 0.83 (lsh/day) <br />O.a3 multiplier <br />Adjusted hourly unit production 1,190.01 CCY/hr <br />Adjusted hourly Eleet production 1,190 O1 CCY/hr <br />SOB COST =_________- <br />Fleet srze = 1 Unit ls) Total job time = 75.19 Hours <br />_______ ___________ <br />Unit cost = $0.114 /CCY Total job cos[ = 510,156.14 <br />_______ ___________ <br />