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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 03a State :Colorado PermiUjob# :M-1977-098 <br />Date : 10/10/2007 <br />User : THM <br />County :Garfield <br />Site :Sievers Pit <br />Agency or organization name :DRMS <br />Permit or otherjob action :Final Reclamation Costs <br />Task description :Cut and fill of highwalls to 3H:1V <br />;: . <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series ll - 8SU (200: Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 :ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shift basis : 1 per day <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $57.13 NA <br /> Operating cosUhour : $77.13 100 <br /> Ripper op. cosUhour : $3.35 50 <br /> Operator cosUhour : $32.78 NA <br /> Total unit cosUhour : $170.39 Total fleet cosUhour : $340.77 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume: 100,000 BCY factor : 1.330 volume: 133,000 LCY <br /> <br />Source of estima ted volume :4800' max highwall x 20' height avg. x 60° slope/2 <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 : 60 feet Material consistency : 1.00 (Cat HB) <br />Unadjusted hourly production : 1,246.9 LCY/hr Dozing method : 1.20 (slot) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1 shift/day) <br />Consolidated stockpile Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.60 (Cat HB) <br />Average push gradient : 30.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 6,000 feet Material weight : 0.79 (Cat H_8) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2, 900 Ibs/LCY Net correction : 0.76 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth Adjusted unit production : 945.99 LCY/hr <br />Abbreviation :none <br />Filename :M098-03a <br />