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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 001 State : Colorado Permit/job# : M-1987-038 <br />Date <br />User <br />0811212008 <br />KAP <br />County: La Plata Abbreviation :none <br />Site: Bayfield No 1 Pit Filename :M038-001 <br />Agency or organization name : Colorado Division Of Reclalmation Mining And Safety <br />Permit or other job action :Amendment <br />Task description :Reduce Highwalls to 3:1 <br />....::.. . <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11 - 8SU (200: <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2:3-shank ripper <br />Horsepower: 310 <br />Shiftbasis : 1 per day <br />Source of estimated volume 700 LF c 16' ht, 1:1 to 3:1 <br />Source of estimated swell factor :Decomposed rock 50% rock, 50% earth <br />........ <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Operator skill : 0.75 (avg.) <br />Average push distance : 65 feet <br />Unadjusted hourly production : 1,170.3 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient <br />Average site altitude <br />15.00 % (neg) <br />6,500 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Material consistency : 0.90 <br />Dozing method : 1.00 <br />Visibility : 1.00 <br />Job efficiency : 0.83 <br />Spoil pile: 0.80 <br />Push gradient : 1.33 <br />Altitude : 1.00 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.47 <br />(gen.) <br />(a vg.) <br />(1 shift/da) <br />(fnd-rf) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />Adjusted unit production : 552.69 LCY/hr <br />Adjusted fleet production : 552.69 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 3.99 Hours <br />Unit cost : $0.302 /LCY Total job cost : $667