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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 006 State : Colorado <br />Date : 1210212010 County :Delta <br />User: JRS Site :Bowie No. 1 Mine <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 /> 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 : 3,014 C CY factor : 1.165 volume : 3,511 LCY <br /> <br />Source of estimated volume :Map 5C-6A and 8A-2 <br />Source of estimated swell factor : CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : a 75 (avg.) <br />Average push distance : 300 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 633.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift1day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.43 (Cat HB) <br />Average push gradient : 20.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,300 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.51 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 320.95 LCY/hr <br /> Adjusted fleet production : 1,283.82 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) Total job time : 2.74 Hours <br />Unit cost : $0.799 /LCY Total job cost : $2,807 <br /> <br />Permit/job# : C-1981-038 <br />Abbreviation :none <br />Filename : C038-006 <br />