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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 007 State : Colorado Permit/job# : C-1981-047 <br />Date <br />User <br />County : Delta <br />Site: Blue Ribbon Mine <br />Abbreviation : none <br />Filename : C047-007 <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 : $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 />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 94 CCY factor : 1.125 volume : 106 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 (1shift1day) <br />Compacted rill or embankment Spoil pile : 0.80 (fnd-rt) <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 : 2650 Ibs/LCY Net correction : 0.39 <br />Weight description : <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 544.41 LCY/hr <br /> Adjusted fleet production : 544.41 LCY/hr <br /> <br />Total job time : 0.19 Hours <br />09/13/2007 <br />JRS <br />Unit cost : $0.303 /LCY Total job cost : $32