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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 015 State :Colorado Permit/job# : C-96-083 <br />Date : 0912812009 County :Delta Abbreviation :none User: JRS Site: Bowie No. 2 Mine Filename : C083-015 <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 B-Seam Portal Bench <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) Horse ower 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shift basis:- 1 per day <br />(CR(l.) <br />Cost Breakdown : Ownership cost/hour : <br />Operating cost/hour : <br />Ripper op. cost/hour : <br />Operator cost/hour : <br />Total unit cost/hour : <br />Data source . <br />Utilization % <br />$92.20 NA <br />$164.67 100 <br />$0.00 0 <br />$38.54 NA <br />$295.41 Total fleet cost/hour : $1,181.65 <br />MATERIAL QUANTITIES <br />Swell Loose <br />Initial <br />volume : 87,000 CCY factor : 1.165 volume <br />Source of estimated volume :Operator Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job <br />Average push distance : 150 feet <br />Unadjusted hourly production : 1,243.2 LCY/hr <br /> <br />Material consistency description <br />Compacted fill or embankment <br /> <br />Average push gradient : 20.00 % (pos) <br />Average site altitude : 6, 750 feet <br /> <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 5 0% Earth <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) <br />Unit cost : $1.227 /LCY <br />101,355 LCY <br />ondition Correction Factors Source <br />operator skill 0.75 (avg.) <br />Material consistency : 0.90 (Cat HB_) <br />Dozing method : 1.00 (gen.) <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (1 shift/day) <br />Spoil pile : 0.80 (fnd-rf) <br />Push gradient : 0.54 (Cat_HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.19 <br /> <br />Adjusted unit production : 240.67 LCY/hr <br />Adjusted fleet production : 962.67 LCY/hr <br />Total job time : 105.29 Hours <br />Total job cost : $124,411 <br />