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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 008 State : Colorado Permit/job# : C-1981-047 <br />Date <br />User <br />09/13/2007 <br />JRS <br />County : Delta <br />Site : Blue Ribbon Mine <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Permit Revision 05 <br />Task description : Backfill and Regrade Ditch "A" <br />HOURLY EQUIPMENT COST <br /> Basic machine : Cat D8R Series lI - 8SU (200: Horsepower:- 310 <br /> Blade type : Semi-Universal <br /> Attachment no. 1 : ROPS Cab Shiftbasis : 1 per day <br /> Attachment no. 2:3-shank ripper <br /> Data source: (CRG) <br /> Utilization % - <br />Cost Breakdown : Ownership cost/hour : $58.24 NA <br /> Operating cost/hour : $73.75 100 <br /> Ripper op. cost/hour : $0.00 0 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $164.77 Total fleet cost/hour : $164.77 <br /> <br />.........::::;.:::.. <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 153 CCY factor : 1.125 volume : 172 LCY <br /> <br />Source of estimated volume : Exhibit Z, Appendix C <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 : 50 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 1,400.0 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility: 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1shift(day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-ro <br /> Push gradient : 1.00 (Cat HB) <br />Average push gradient 0.00 % (pos) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,400 feet Material weight : 0.87 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : Z650 Ibs/LCY Net correction : 0.39 <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth <br />Adjusted unit production <br />Adjusted fleet production <br />544.41 <br />544.41 <br />LCY/hr <br />LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 0.32 Hours <br />Unit cost : $0.303 /LCY Total job cost : $52 <br />Abbreviation :none <br />Filename : C047-008