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CIRCES Cost Estimating Software <br />Task # : 014 <br />Date : 10/06/2005 <br />User : WHE <br />State :Colorado <br />County :San Juan <br />Site : Sunnyside Mine <br />Agency or organization name :DMG <br />Permit or other job action : SR-04 <br />Task description :Rip 8 <br />HOURLY EQUIPMENT COST <br />3 acres at Herbert Placer <br /> Basic machine : Cat DSR Series 11 - 8SU Horsepower : 310 <br /> Blade type : Semi-Universal <br /> Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br /> Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cost/hour : $48.82 NA <br /> Operating cost/hour : $66.09 100 <br /> Ripper op. cosUhour : $3.55 50 <br /> Operator cosUhour : $31.78 NA <br /> Total unit cosUhour : $150.25 Total fleet cosUhour : $150.25 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 4,840 LCY factor : NA volume : 4,840 LCY <br /> <br />Source of estima ted volume : (3ac)(43560sf/ac)(2'D) / 27 = 4840 cy <br />Source of estimated swell factor : NA <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (tshift/day) <br />Compacted fill or embankment Spoil pile : 0.80 (/nd-rn <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 0.94 (Cat HB) <br />Average site altitude : 11,000 feet Material weight : 0.87 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,650 Ibs/LCY Net correction : 0.37 <br /> <br />Weight description <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 311.65 LCY/hr <br /> Adjusted fleet production : 311.85 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 15.53 Hours <br />Unit cost : $0.482 /LCY Total job cost : $2,333 <br />PermiUjob# : M-1977-378 <br />Abbreviation :none <br />Filename : M378-014 <br />