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Colorado Division of Minerals and Geology <br />_________________________________________ <br />ESTIMATING FORM - COMPACTION WORK <br />Task p: 237 Prep. by: SLB Task filename C00]-237 <br />-___________ _________ _____________ <br />Date: 20-Apr-97 Permit p:C-BO-007 Mine: West Elk Mine <br />Permit Action: Permit Revision No. 7 <br />__________________________________________________________________ <br />Task Description: Compact light use road material <br />__________________________________________________________________ <br />HOURLY EQUIPMENT COST <br />_____________________ Make and model: CAT 025C Horsepower: 715 <br />___________________ _______________ <br />Compactor type: Reclamation Shift basis: 1/day <br />___________________ _______________ <br />Uci lization t <br />Cost Breakdown - Ownership cos[/hr = $65.14 N/A <br />-------------- Operating cost/hr = $46.98 100 <br />Operator cost/hr = $22.95 N/A <br />Total = $135.07 Total fleet cost/hr: $135.07 <br />MATERIAL QUANTITIES <br />Loose Shrinkage Compacted <br />volume = 39,893 LCY factor = O.B75 volume = 34,863 CCY <br />Source of quantity take-off: Table 2 of Ezh. 69 <br />_________________________________________________________ <br />Source of load factor: Division estimate, 50} rock - SOk dirt <br />HOURLY PRODUCTION <br />Elements: (w) Compactetl witlth per pass = 7.73 ft. Production Formula: <br />-------- IS) Average speed = 4.00 mph ------------------ <br />IL) Compacted thickness of lift = 12.00 in. (W)•IS)•(L)•(C) <br />IC) Conve rsron constant = 16.3 --------------- <br />(P) Required number of machine passes = 4 IP) <br />Unad7 usted hourly unit production 1,933."15 CCY/hr <br />Job Condition Correction Factors: <br />________________________________ <br />Site altitude "1,000 f[. Alcit ude adj. factor = 1.00 (Ca[ [bll <br />------- Job efficiency factor = 0.83 Ilsh/day) <br />0.83 multiplier <br />Adjusted hourly unit production 1,190.01 CCY/hr <br />Adjusted hourly fleet production 1,190 O1 CCY/hr <br />JOB COST =_________~ <br />Flee[ size = 1 Unit(s) Total job time = 29.30 Hours <br />_______ ___________ <br />Unit cost = $0.114 /CCY Total job cost = $3,956.99 <br />_______ _____-__-__ <br />