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CIRCES Cost Estimating Softwa <br />BULLDOZER WOR <br />PROJECT IDENTIFICATION <br />Task #: 002 State : Colorado Permit/job# : C -96 -083 <br />Date : 1110212009 County : Delta Abbreviation : none <br />User: JRS Site : Bowie No. 2 Mine Filename : C083 -002 <br />Agency or organization name Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : 2009 Midterm Review <br />Task description : Regrade D -Portal Bench <br />HOURLY EQUIPMENT COST <br />Basic machine Cat D10R - 10SU (2 Horsepower: 570 <br />Blade type Semi - Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 : -shank ripper, <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $89.77 NA <br />Operating cost/hour : $128.30 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $256.60 Total fleet cost/hour : $1,026.41 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 260,593 CCY factor : 1.165 volume: 303,591 LCY <br />Source of estimated volume Operator Estimate <br />Source of estimated swell factor CAT Handbook <br />s <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 : 1,718.9 LCY /hr Dozing method: 1.00 (gen.) <br />Visibility: 1.00 (avg.) <br />Material consistency description : Job s:fficiency : 0.83 (lshift/day) <br />Compacted fill or embankment Spoil pile: 0.80 (fnd -ro <br />Push gradient: 0.79 (C HB) <br />Average push gradient: 10.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,900 feet Material weight: 0.79 (Cat HB) <br />Blade type : 1.00 (S /SU /U) <br />Material weight: 2,900 Ibs /LCY Net correction : 0.28 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 480.56 LCY /hr <br />Adjusted fleet production : 1,922.23 LCY /hr <br />YY <br />_ ....... _ <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) Total job time: 157.94 Hours <br />w <br />Unit cost: $0.534 /LCY Total job cost: $162,108 <br />