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CIRCES Cost Estlmatlna Software <br />pRp,IECT IDENTIFICATION <br />Task #: 172 <br />Date : 01/19/2007 <br />User: JRS <br />State :Colorado PermitQob# : C-1998-083 <br />County : Delte Abbreviation :none <br />Site :Bowie No. 2 Mine Filename : C083-172 <br />Agency or organization name :Colorado Division O! Reclamation, Mining And Safety <br />Permit or other job action :Minor Revision 78 <br />Task description : Regrade DNII Pads <br />Basic machine :Cat D9R - 9SU (2005) Horsepower : 405 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab Shin basis : 1 perday <br />Attachment no. 2 :3-shank dpper <br /> Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $72.92 NA <br />Operating cost/hour : $98.84 100 <br />Ripper ap. cost/hour : $0.00 0 <br />Operator cosUhour : $32.78 NA <br /> <br />Total unit cost/hour <br />............. ................... . <br />: $204.53 <br />Total fleet cosUhour : $204.53 <br />Initial Swell <br />volume : 11, 300 factor <br /> <br />BCY <br />Loose <br />1.250 volume: 14,125 LCY <br />Source of estimated volume :Division Estimate <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job Cond'dion Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 1,243.2 LCY/hr <br />Material consistenq description <br />Compacted fill or embankment <br />Average push gradient : 5.00 % (pos) <br />Average sRe aRitude : 7,900 feet <br />Material weight : 2, 900 Ibs/LCY <br />Weight description <br />Decomposed rock - 50% Rock. 50% Earth <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.539 /LCY <br />Operator skill : 0.75 (ao <br />Material consistency : 0.90 (Cat <br />Dozing method : 1.00 (ge <br />Ysibiliry : 1.00 (av <br />Job efficiency : 0.83 (1 ship <br />Spoil pile : 0.80 (fno <br />Push gradient : 0.90 (Cat <br />Altitude : 0.95 (Cat <br />Material weight : 0.79 (Cat <br />Blade type : 1.00 (S/Sl <br />Net correction : 0.31 <br />Adjusted unit production : 379.20 LCY/hr <br />Adjusted Beet production : 378.20 LCYrhr <br />Total job time : 37.25 Hours <br />Total job cost : $7,619 <br />