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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Permit/job# : C-96-083 <br />Task #: 023 State :Colorado <br />Date : 0912812009 County :Delta Abbreviation :none <br />user: JRS Site :Bowie No. 2 Mine Filename : C083-023 <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 Borrow Area <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 per day <br />Attachment no. 2 :3-shank ripper <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $92.20 NA <br />Operating cost/hour : E$164.67 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $295.41 Total fleet cost/hour : $1,181.65 <br />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 25,600 BCY factor <br />Source of estimated volume :Operator Estimate <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job <br />Average push distance : 175 feet <br />Unadjusted hourly production : 1,074.3 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 0.00 % (pos) <br />Average site altitude : 6,200 feet <br />Material weight : 2,650 Ibs/LCY <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) <br />Unit cost : $0.707 /LCY <br />Loose <br />1.250 volume : 32,000 LCY <br />;,ondition Correction Factors Source <br />operator skill : 75 <br />0, <br />(avg.) <br />Material consistency : , <br />90 ) <br />(Cat HB <br />Dozing method : . <br />00 _ <br />(gen.) <br />Visibili <br />ty : 1 <br />. <br />00 <br />(avg•) _ <br />Job efficiency . <br />83 (1shift/day) <br />Spoil pile . <br />80 <br />Push gradient . <br />00 (Cat H_B) <br />Altitude : 1.00 (Cat _HB) <br />Material weight : 0.87 (Cat H_B) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.39 <br />Adjusted unit production : 417.76 LCY/hr <br />Adjusted fleet production : 1,671.02 LCY/hr <br />Total job time : 19.15 Hours <br />Total job cost : $22,629