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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 05a State :Colorado Permit/job# :M-1978-305 <br />Date : 0712012008 County :Gunnison Abbreviation :none <br />User: SSS Site :Dickerson Pit Filename :M305-05a <br />Agency or organization name: DRMS <br />Permit or other job action :Succession of Operator #4 <br />Task description : Rough grade pit floor- 8.5 ac. <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D7R DS Series 11 - 7SU Horsepower : 240 <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 />) <br /> <br />Utilization % _ <br />_ <br />Cost Breakdown : Ownership cost/hour : $48.36 NA <br />Operating cost/hour : $56.19 100 <br />Ripper op. cost/hour : $0.54 10 <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $137.87 Total fleet cost/ho ur : $137.87 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 6,860 LCY factor : NA volume : 6,860 LCY <br /> <br />Source of estimated volume :8.5 acres x 6" depth <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 : 0.80 (Cat HB) <br />Unadjusted hourly production : 714.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shiftlday) <br />Dry, non-cohesive Spoil pile: 0.80 (fnd-rf) <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient : 0.00 % (pos) Altitude : 0.93 (Cat HB) <br />Average site altitude : 7,600 -feet Material weight : 0.79 ---(Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.29 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 209.82 LCY/hr <br /> Adjusted fleet production : 209.82 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 32.69 Hours <br />Unit cost : $0.657 /LCY Total job cost : $4,508 <br />