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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Task # : 001 <br />Date : 12/26/2006 <br />User : KAP <br />State :Colorado <br />County : Costilla <br />Site :Pit 1 <br />PermiUjob# : M-1999-073 <br />Abbreviation :none <br />Filename : M073-001 <br />Agency or organization name :Colorado Division Of Reclamation, Mining, And Safety <br />Permit or otherjob action :Bond Calculation related to Inspection <br />Task description : Backfill and grade existing pit <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series 11- 8SU (200: Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 : BOPS Cab Shift basis : 1 per day <br />Attachment no. 2 :3-shank ripper <br /> Data source : (CRG) <br /> Utilization <br />Cost Breakdown : Ownership cosUhour : $58.24 NA <br /> Operating cost/hour : $73.75 100 <br /> Ripper op. cosUhour : $3.43 50 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cosUhour : $168.20 Total fleet cost/hour : $168.20 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 5,600 BCY factor : 1.250 volume : 7,000 LCY <br /> <br />Source of estima ted volume :Inspection observations <br />Source of estimated swell factor :Dry pack earth <br /> <br />HOURLY PRODUCTION ~ Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job effciency : 0.83 (ishifr/day) <br />Compacted fill or embankment Spoil pile : 0.80 (fnd-rf) <br /> Push gradient : 1.43 (Cat HB) <br />Average push gradient : 20.00 % (neg) Altitude : 1.00 (Cat HB) <br />Average site altitude : 8,700 feet Material weight : 0.90 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />Material weight : 2,550 Ibs/LCY Net correction : 0.58 <br />Weight description <br />Earth -Dry packed Adjusted unit production : 491.40 LCY/hr <br /> Adjustetl fleet production : 491.40 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 14.24 Hours <br />Unit cost : $0.342 /LCY Total job cost : $2,396 <br />