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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 01a State : Colorado Permit/job# : M-1997-098 <br />Date <br />User <br />02/28/2008 <br />THM <br />County : Rio Blanco <br />Site :Flag Creek Quarry <br />Abbreviation :none <br />Filename :M098-01a <br />Agency or organization name: DRMS <br />Permit or other job action :Final Reclamation Cost Update <br />Task description :Backfill and grading of terraces <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D8R Series 11- 8SU (200,1 Horsepower : 310 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab <br />Attachment no. 2 :3-shank ripper <br />Shiftbasis : 1 per day <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $57.13 NA <br /> Operating cost/hour : $77.13 100 <br /> Ripper op. cost/hour : $3.35 50 <br /> Operator cost/hour : $32.78 NA <br /> Total unit cost/hour : $170.39 Total fleet cost/hour : $170.39 <br />MATERIAL QUANTITIES <br /> <br />Initial Swell Loose <br />volume : 18,480 CCY factor : 1.215 volume : 22,453 LCY <br /> <br />Source of estimated volume :Staff Estimate <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.80 (Cat HB) <br />ti <br />d 6 LCY/hr <br />852 Dozing method : 00 (gen.) <br />on : <br />uc <br />Unadjusted hourly pro . <br /> Visibility : 00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (1 shift/day) <br />well ripped or blasted <br />Rock Spoil pile : 1 <br />.80 (fnd-rf) <br />, Push gradient : .33 (Cat HB) <br />Average push gradient : 15.00 % (neg) Altitude .00 (Cat HB) <br />Average site altitude 8,200 feet Material weight .70 (Cat HB) <br /> Blade type : 1.00 (S/SU/U) <br />ht : <br />i <br />l <br />i <br />M 300 Ibs/LCY <br />3 Net correction : 0.37 <br />g <br />we <br />a <br />ater , <br />Weight description : <br />25% Earth <br />75% Rock <br />k <br />Adjusted unit production : <br />314.53 <br />LCY/hr <br />, <br />- <br />Decomposed roc <br /> Adjusted fleet production : 314.53 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozer(s) Total job time : 71.39 Hours <br />Unit cost : $0.542 /LCY Total job cost : $12,163 <br />