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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 085 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County: Delta Abbreviation : none <br />User: JRS Site : Bowie No. 1 Mine Filename : C038-085 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description : Backfill and Regrade Pond 1 <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9SU (2005) <br />Blade type : Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <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 />MATERIAL QUANTITIES <br />Initial Swell <br />volume : 1,129 BCY factor <br />Horsepower: 405 <br />Shiftbasis : 1 per day <br />Data source : (CRG) <br />Utilization % <br />$67.77 NA <br />$95.29 100 <br />$0.00 0 <br />$38.54 NA <br />$201.60 Total fleet cost/hour : $201.60 <br />Loose <br />1.330 volume : 1,502 LCY <br />Source of estimated volume: Permit Volume 1, Page 33, Map 8-1 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Source <br />Operator skill : 0.75 (a vg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,243.2 LCY/hr Dozing method : 1.00 (gen) <br />Material consistency description <br />Compacted fill or embankment <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.83 (1shift/day) <br />Spoil pile : 0.80 (fnd-rf) <br />Push gradient : 1.11 (Cat HB) <br />Average push gradient : 5.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,000 feet Material weight: 0 79 (Cat NR) <br />Material weight : 2900 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />Blade type : 1.00 (S/SU/U) <br />Ibs/LCY Net correction : 0.40 <br />Adjusted unit production : 492.74 LCY/hr <br />Adjusted fleet production : 492.74 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 3.05 Hours <br />Unit cost : $0.409 /LCY Total job cost : $614