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CIRCES Cost Estimating Software <br />' <br />BULLDOZER WORK <br />4 <br />PROJECT IDENTIFICATION <br />Task # : 048 <br />State : Colorado Permit/'ob# : C- 2006 -085 <br />Date : 0311712010 <br />County : Fremont Abbreviation : none <br />User: JRS <br />Site Northfield Mine Filename : C085 -048 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Technical Revision 1 <br />Task description : Replace Topsoll to South Fan Area <br />HOURLY EQUIPMENT COST <br />Basic machine: Cat D9R - 9SU (2005) <br />Horsepower: <br />405 <br />Blade type Semi - Universal <br />Attachment no. 1 : ROPS Cab <br />Shift basis: <br />1 per day <br />Attachment no. 2 : -shank ripper <br />Data source : <br />(CRG) . <br />Utilization % <br />Cost Breakdown : <br />Ownership cost/hour : $67.77 <br />NA <br />Operating cost/hour : $95.29 <br />100 <br />Ripper op. cost/hour : $0.00 <br />0 <br />Operator cost/hour : $38.54 <br />NA <br />Total unit cost/hour : $201.60 Total fleet cost/hour : <br />$201.60 <br />MATERIAL QUA NTITIES <br />1. <br />Initial <br />Swell Loose <br />volume: 615 CCY factor : 1.125 volume: <br />692 <br />LCY <br />Source of estimated volume: Page 2.05.4 -7; Map 12 <br />Source of estimated swell factor CAT Handbook <br />o w <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />Source <br />Operator skill : <br />0.75 <br />(avg.) <br />Average push distance: <br />100 feet <br />Material consistency: <br />1.00 <br />(Cat HB) <br />Unadjusted hourly production : <br />1,243.2 LCY /hr <br />Dozing method: <br />1.00 <br />(gen.) <br />Visibility: <br />1.00 <br />(avg.) <br />Material consistency description : <br />Job efficiency : ' <br />0,83' <br />(lshift/day) <br />Consolidated stockpile <br />Spoil pile: <br />0.80 <br />(frid -ro <br />Push gradient: <br />0.95 <br />(Cat HB) <br />Average push gradient: <br />3.00 % (pos) <br />Altitude : <br />1.00 <br />(Cat HB) <br />Average site altitude : <br />5,400 feet <br />Material weight: <br />0.90 <br />(Cat HB) <br />Blade type : <br />1.00 <br />(S /SU /U) <br />Material weight: <br />Z550 ibs /LCY <br />Net correction : <br />0.43 <br />Weight description <br />Earth - Dry packed <br />Adjusted unit production : <br />529.29 <br />LCY /hr <br />Adjusted fleet production : <br />529.29 <br />LCY /hr <br />JOB TIME AND COST <br />j� Fleet size : <br />1 Dozer(s) Total job time : <br />1.31 <br />Hours <br />Unit cost : <br />$0.381 /LCY Total job cost: <br />$264 <br />