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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task #: 02b State :Colorado Permit/job# :C-1981-008 <br />Date : 0512612009 County :Montrose Abbreviation :none <br />User: SLB Site : New Horizon Mine Filename : 0008-02b <br />Agency or organization name: CDRMS <br />Permit or other job action : Permit Renewal No. 5 <br />Task description :Push Highwall Block 2 into pit <br />T, <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D9R - 9U (2005) Horsepower : 405 <br />Blade type : Universal <br />Attachment no. 1 :ROPS Cab Shift basis :-I per day <br />Attachment no. 2 :NA <br /> Data source: (CRG) <br /> Utilization % - <br />Cost Breakdown : Ownership cost/hour : $62.73 NA <br />Operating cost/hour : $103.73 100 <br />Ripper op. cost/hour : $0.00 NA <br />Operator cost/hour : $32.78 NA <br />Total unit cost/hour : $199.24 Total fleet cost/hour : $398.48 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />volume : 28,485 LCY factor : NA volume : 28,485 LCY <br />Source of estimated volume: 1320'pit length, 79' depth <br />Source of estimated swell factor :NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance : 110 feet <br />Unadjusted hourly production : 1,227.1 LCY/hr <br />Material consistency description <br />Rock, avg. ripped or blasted <br />Average push gradient : 20.00 % (i <br />Average site altitude : 5,700 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 2 Dozer(s) <br />Unit cost : $0.333 /LCY <br />Operator skill : 0.75 (avg.) <br />Material consistency : 670 (Cat HB) <br />Dozing method : 1.10 (50% sl) <br />Visibility: 1.00 (a vg.) <br />Job efficiency : 0.83 (1shift1day) <br />Spoil pile : 0.90 (ssd-fc) <br />Push gradient : 1.43 (Cat HB) <br />Altitude : 1.00 (Cat HB) <br />Material weight : 0.79 (Cat HB) <br />Blade type : 1.00 (S/SU/U) <br />Net correction : 0.49 <br />Adjusted unit production : 598.57 LCY/hr <br />Adjusted fleet production : 1,197.14 LCY/hr <br />Total job time : 23.79 - Hours <br />Total job cost : $9,482