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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task n : 004 <br />Date : 04/20/2001 <br />User: JRS <br />State :Colorado <br />County :Mesa <br />Site :Roadside Portals <br />PermiUjobk : C-81-041 <br />Abbreviation :none <br />Filename :C041-004 <br />Agency or organization name :Colorado Division O(Minerals And Geology <br />Permit or other job action :Roadside Portals Current Liability <br />Task description : Regrade Portal & Access Road Material to Highwall <br />HOURLY EQUIPMENT COST <br />Cost Breakdown <br />MATERIAL QUANTITIES <br />Basic machine :Cat D8R - 8SU <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br /> Utilization <br />Ownership cosVhour : 349.50 NA <br />Operating cosUhour : $65.98 100 <br />Ripper op. cosUhour : $0.00 0 <br />Operator cosUhour : $27.99 NA <br />Total unit cosUhour : $143.48 Total fleet cosUhour <br />5143-48 <br />Initial Swell Loose <br />volume : 47,600 BCY factor : 1.330 volume : 63,308 LCY <br />Source of estimated volume :Table 14-1 <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 150 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 634.3 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshifUday) <br />Compacted fill or embankment Spoil pile : 0.80 (/nd-rf) <br /> Push gradient : 0.30 (Cat HB) <br />Average push gradient : 30.00 °b (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 4,850 feet Material weight : 0.79 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,900 Ibs/LCY Net correction : 0.11 <br />Weight description <br />Decomposed rock - 50% Rock, 50°5 Earth Adjusted unit production : 67.18 LCY/hr <br /> Adjusted fleet production : 67.1$ LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 942.30 Hours <br />Unit cost : $2.136 /LCY Total job cost : $135,196 <br />Horsepower: 305 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />