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CIRCES Cost Estimatina Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 131 State : Colorado Permitlob# : C1981-010 <br />Date : 1210712007 <br />User: JHB <br />County:Moffat <br />Site : Trapper Mine <br />Abbreviation : none <br />Filename : C010-131 <br />vMV Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shiftbasis : 2 per day <br />Attachment no. 2 :1-shank ripper <br />Data source : (CRG) <br /> Utilization % <br />Cost Breakdown : Ownership cost/hour : $107.62 NA <br />Operating cost/hour : $224.59 100 <br />Ripper op. cost/hour : $3.07 20 <br />Operator cost/hour : $32.93 NA <br />Total unit cost/hour : $368.21 Total fleet cost/hour : $736.41 <br /> <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 259,745 CCY factor : 1.215 volume:- 315,590 LCY <br />Source of estimated volume : taken from TR96 task 106 <br />Source of estimated swell factor : Caterpillar Handbook Edition <br />HOURLY PRODUCTION <br />Average push distance : 75 feet <br />Unadjusted hourly production :--i,545.9 LCY/hr <br />Material consistency description <br />Partly consolidated stockpile <br />Average push gradient : 4.00 % (I <br />Average site altitude : 6,800 feet <br />Material weight : 3,300 Ibs/LCY <br />Weight description : <br />Decomposed rock - 75% Rock, 25% Earth <br />Job Condition Correction Factors <br />Operator skill : <br />0.85 Source <br />(user) <br />Material consistency : 1.10 (Cat HS) <br />Dozing method : 1.10 (50% sl) <br />Visibility: 1.00 (avg.) <br />Job efficiency : 0.81 (2 shiRs/da <br />Spoil pile : 0.90 (ssd-fc) <br />Push gradient : 1.09 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.70 (Cat HB) <br />Blade type : 1.00 (S/SUN) <br />Net correction : 0.57 <br />Adjusted unit production : 2023.88 LCY/hr <br />Adjusted fleet production : 4,047.77 LCY/hr <br />JOB TIME AND COST <br />Fleet size : 2 Dozer(s) Total job time : 77.97 Hours <br />Unit cost : $0.182 /LCY Total job cost : $57,416