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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 03a State :Colorado Permit/job# : M-1978-305 <br />Date : 0712012008 County :Gunnison Abbreviation :none <br />User : SSS Site :Dickerson Pit Filename :M305-03a <br />Agency or organization name : DRMS <br />Permit or other job action : Succession of Operator #4 --- <br />as description : Reduce highwall to 2:1 grade- push ripped/decomposed material down <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU Horsepower : 240 <br />Blade type : Semi-Universal <br />Attachment no. 1 : BOPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> <br />Utilization % _ <br />Cost Breakdown : Ownership cost/hour : $48.36 NA <br /> Operating cost/hour : $56.19 100 <br /> Ripper op. cost/hour : $1.35 25 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $138.68 Total fleet cost/ho ur : $138.68 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 25,814 CCY factor : 1.320 volume : 34,074 LCY <br />Source of estimated volume : TR-03 and CN-01 Applications and Maps <br />Source of estimated swell factor : CAT Handbook --- <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : <br />- 120 feet <br />- Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 622.9 LCY/hr Dozing method : 1.00 (gen.) <br /> <br />Visibility : <br />1.00 _ <br />(avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> <br /> Push gradient : 1.43 (Cat HB) <br />Average push gradient : 20.00 % (neg) Altitude : 0.93 _ <br />(Cat HB) <br />Average site altitude : 7,600 feet Material weight : 0.82 (Cat HB) . <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,800 Ibs/LCY Net correction : 0.49 <br />Weight description <br />Granite - Broken Adjusted unit production : 304.07 LCY/hr <br /> Adjusted fleet production : 304.07 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 112.06 Hours <br />Unit cost : $0.456 /LCY Total job cost : $15,541 <br />