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CIRCES Cost Estimatinsr Software <br />BULLDOZER WORK <br />Task # : 203 <br />Date: 06/01/2007 <br />User: JRS <br />PermiUjob# : C-1996-083 <br />Abbreviation :none <br />Filename : C083-203 <br />Agency or organization name :Colorado Division O(Reclamation, Mining And <br />Permit or other job action :Technical Revision 47 <br />Task description : Regrade Hubbard Creek Vent Shaft Pad <br />HOURLY EQUIPMENT COST <br />State :Colorado <br />County :Delta <br />Site :Bowie No. 2 Mine <br />Basic machine :Cat 09R - 9SU (2005) Horsepower : 405 <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 cosUhour : $72.92 NA <br /> Operating cosUhour : $98.84 100 <br /> Ripper ap. cosUhour : $0.00 0 <br /> Operator cosUhour : $32.78 NA <br /> Total unit cosUhour : $204.53 Total Fleet cosUhour : $204.53 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 2, 900 BCY factor : 1.330 volume : 3,857 LCY <br />Source of estimated volume :Division Estimate <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 : 1,243.2 LCY/hr <br />Material consistency description <br />Compacted fill or embankment <br />Average push gradient : 5.00 % (1 <br />Average site altitude : 7,500 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description <br />Decomposed rock - 50% Rock, 50% EaRh <br />Operator skill : 0.75 (avg.) <br />Material consistency : 0.90 (Cat HB <br />Dozing method : 1.00 (gen.) <br />Visibility : 1.00 (avg.) <br />Job efficiency : 0.83 (1shiR/da <br />Spoil pile : 0.80 (fnd-rQ <br />Push gradient : 0.90 (Cat HB <br />Altitude : 1.00 (Cat HB <br />Material weight : 0.79 (Cat HB <br />Blade type : 1.00 (S/SUAI <br />Net correction : 0.32 <br /> <br />Adjusted unit production : 399.15 LCY/hr <br />Adjusted fleet production : 399.15 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 9.88 Hours <br />Unit cost : $0.512 /LCY Total job cost : $1,978 <br />