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CIRCES Cost Estimatina Software <br />PROJECT IDENTIFICATION <br />Task # : 037 <br />Date : 0311712010 <br />User: JRS <br />State : Colorado <br />County : Fremont <br />Site Northfield Mine <br />Permit/job# : C- 2006 -085 <br />Abbreviation : none <br />Filename : C085 -037 <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 : <br />$53.74 <br />NA <br />Operating cost/hour : <br />$70.63 <br />100 <br />Ripper op. cost/hour : <br />$0.00 <br />0 <br />Operator cost/hour : <br />$38.54 <br />NA <br />Total unit cost/hour : <br />$162.90 Total fleet cost/hour : <br />$162.90 <br />MATERIAL QUANTITIES <br />Initial <br />Swell <br />Loose <br />volume: 210 CCY factor : <br />1.165 volume: <br />245 <br />LCY <br />Source of estimated <br />volume Exhibit V <br />Source of estimated swell factor : CAT Handboo <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 />0.90 <br />(Cat HB) <br />Unadjusted hourly production : <br />852.6 LCY /hr <br />Dozing method : <br />1.00 <br />(gen.) <br />Visibility : <br />1.00 <br />(a vg.) <br />Material consistency description : <br />Job efficiency: <br />0.83 <br />_( 1shift/day) <br />Compacted fill or embankment <br />Spoil pile: <br />0.80 <br />(fnd -rt) <br />Push gradient: <br />0.97 <br />(Cat HB) <br />Average push gradient: <br />2.00 % (pos) <br />Altitude : <br />1.00 <br />(Cat HB) <br />Average site altitude : <br />5,400 feet <br />Material weight: <br />0.79 <br />(Cat HB) <br />Blade type: <br />1.00 <br />(S/SU /U) <br />Material weight: <br />2,900 lbs /LCY <br />Net correction : <br />0.34 <br />Weight description <br />Decomposed rock - 50% Rock, 50% Earth <br />Adjusted unit production : <br />293.72 <br />LCY /hr <br />Adjusted fleet production : <br />293.72 <br />LCY /hr <br />JOB TIME AND COST <br />Fleet size : <br />1 Dozers) <br />Total job time: <br />0.83 <br />Hours <br />Unit cost: <br />$0.555 /LCY <br />Total job cost : <br />$136 <br />I <br />