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CIRCES Cost Estimating Software <br /> BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 01 a State :Colorado PermiUjob# : M-2005-071 <br />Date : 04/20/2006 County :Delta Abbreviation :none <br />User : SSS Site :Benson Bros Red Shale Pit Filename :M071-01a <br />Agency or organization name :OMG <br />Permit or other job action :New 112c permit application <br />Task description :Reduce highwall to 2:1 grade <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D7R DS Series 11 - 7SU <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $43.17 NA <br />Operating cosUhour : $55.05 100 <br />Ripper op.cosUhour : $0.64 10 <br />Operator cosUhour : $32.53 NA <br />Total unit cost/hour : $131.40 Total fleet cosUhour <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 5,925 CCY factor: 1.165 volume: 6,903 LCY <br />Source of estimated volume :Assume 20'H z 400'L highwall backfi/led to 2:1 <br />Source of estimated swell factor :CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 100 feet <br />Unadjusted hourly production : 714.3 LCY/hr <br />Material consistency description <br />Partly consolidated stockpile <br />Average push gradient : 0.00 % (I <br />Average site altitude : 6,450 feet <br />Material weight : 2,100 Ibs/LCY <br />Weight description <br />Shale <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) <br />Unit cost : $0.307 /LCY <br />Operator skill <br />Material consistency <br />Dozing method <br />visibility <br />Job efficiency <br />Spoil pile <br />Push gradient <br />Altitude <br />Material weight <br />Blade type <br />Net correction <br />Adjusted unit production <br />Adjusted fleet production <br />Horsepower: 240 <br />0.75 <br />1.10 <br />1.00 <br />1.00 <br />0.83 <br />0.80 <br />1.00 <br />1.00 <br />1.10 <br />1.00 <br />0.60 <br />428.40 <br />428.40 <br />$131.40 <br />LCY/hr <br />LCY/hr <br />Total job time : 16.11 Hours <br />Total job cost : $2,117 <br />Shift basis : 1 per day <br />Data source : (CRG) <br />