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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 025 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County:Delta Abbreviation :none <br />User: JRS Site: Bowie No. 1 Mine Filename :C038-025 <br /> <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 : Place Four Feet of Cover Material on Waste Disposal Area <br /> <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: -$1,539.62 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 12,906 C CY factor : 1.165 volume : 15,035 LCY <br /> <br />Source of estimate d volume: Map 8-1; Permit Volume 1, Page 53 <br />Source of estimated swell factor : CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 1.10 (Cat HB)_ <br />Unadjusted hourly production : 1,718.9 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshift/day) <br />Partly consolidated stockpile Spoil pile : 0.80 (fnd-ro <br /> Push gradient : 0.79 (Cat HB) <br />Average push gradient : 10.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 7,000 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2900 Ibs/LCY Net correction : 0.34 <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 587.35 LCY/hr <br /> Adjusted fleet production : 3,524.08 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 6 Dozer(s) Total job time : 4.27 Hours <br />Unit cost : $0.437 /LCY Total job cost : $6,569 <br />