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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 006 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County :Delta Abbreviation :none <br />User : JRS Site : Bowie No. 1 Mine Filename : C038-006 <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 :Push Fill from Highwall Zone 4-D to Portal Zone 4-C <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 : $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 <br />volume : 3.014 <br />Swell Loose <br />CCY factor : 1.165 volume : 3,511 <br />Source of estimated volume: Map 5C-6A and 8A-2 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION <br />Average push distance <br />Unadjusted hourly production <br />300 feet <br />633.3 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 20.00 % (neg) <br />Average site altitude : 7,300 feet <br />Material weight : 2900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) <br />Unit cost : $0.799 /LCY <br />LCY <br />dition Correction Factors <br />Operator skill : <br />0.75 Source <br />(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-rt) <br />Push gradient : 1.43 (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 : 0.51 <br />Adjusted unit production <br />Adjusted fleet production <br />320.95 LCY/hr <br />1,283.82 LCY/hr <br />Total job time : 2.74 <br />Total job cost : $2,807 <br />Hours <br />