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CIRCES Cost Estimating Softwa <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 012 State : Colorado Permit/job# : C -96 -083 <br />Date : 1110212009 County : Delta Abbreviation : none <br />User: JRS Site Bowie No. 2 Mine Filename : C083 -012 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : 2009 Midterm Review <br />Task description Backfill and Regrade Train Loadout Overland Conveyor Corridor <br />HOURLY EQUIPMENT COST <br />Basic machine Cat D10R - 10SU (2005) Horsepower: 570 <br />Blade type Semi - Universal <br />Attachment no. 1 : ROPS Cab Shift basis: 1 pe r day <br />Attachment no. 2: 3-shank ripper <br />Data source : (CRG) <br />volume: 9,259 CCY . <br />factor : <br />1.165 volume: <br />10,787 <br />LCY <br />Source of estimated volume <br />Division Estimate <br />Source of estimated swell factor <br />CAT Handbook <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />Source <br />Operator skill : <br />0.75 <br />(avg.) <br />Average push distance : 100 <br />feet <br />Material consistency : <br />0.90 <br />( Cat HB) <br />Unadjusted hourly production : 1,718.9 <br />LCY /hr <br />Dozing method : <br />1.00 <br />(gen.) <br />Visibility: <br />1.00 <br />(avg.) <br />Material consistency description : <br />Job efficiency: <br />0.83 <br />(1shift1day)_ <br />Compacted till or embankment <br />Spoil pile: <br />0.80 <br />(fnd -rf) <br />Push gradient : <br />0.79 <br />(Cat HB) <br />Average push gradient: 10.00 <br />% (pos) <br />Altitude : <br />1.00 <br />(Cat HB) <br />Average site altitude : 5,900 <br />feet <br />Material weight: <br />0.79 <br />(Cat HB) <br />Blade type : <br />1.00 <br />(S /SU /U) <br />Material weight: 2,900 <br />Ibs /LCY <br />Net correction : <br />0.28 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Adjusted unit production <br />Adjusted fleet production <br />480.56 <br />1,922.23 <br />LCY /hr <br />LCY /hr <br />Fleet size : 4 Dozer(s) Total job time : 5.61 Hours <br />Unit cost: $0.534 /LCY Total job cost: $5,760 <br />