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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />Agency or organization name Division Of Reclamation, Mining And Safety <br />Permit or other job action NOf <br />Task description :Replace topsoil on reclaimed dilllpeds d access roads <br />HOURLY EQUIPMENT COST <br />Basic machine Cat D7R DS Series 11- 7SU <br />Blade type Semi - Universal <br />Attachment no. 1 : ROPS Cab <br />Horsepower: 240 <br />Shift basis : 1 per day <br />Attachment no. 2: 3-shank ripper <br />Data source: (CRG) <br />Source of estimated volume :App. Table 1 8 Hand p. 14 <br />Source of estimated swell factor NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance: 50 feet <br />Unadjusted hourly production: 1,022.9 LCY/hr <br />Material consistency description <br />Loose stockpile <br />Average push gradient <br />Average site altitude <br />Material weight <br />Weight description: <br />Earth - Dry packed <br />JOB TIME AND COST <br />Fleet size <br />2.00 % (i <br />6,800 feet <br />2550 Ibs/LCY <br />Unit cost <br />i Dozer(s) <br />$0.233 /LCY <br />Operator skill: <br />0.75 <br />(avi <br />Utilization % <br />1.20 <br />Cost Breakdown: Ownership cost(hour <br />: $47.67 <br />NA <br />(ge <br />Operating cost/hour: <br />$54.13 <br />100 <br />Job efficiency: <br />Ripper op. cost/houi <br />: $0.00 <br />0 <br />0.80 <br />Operator cost/houi <br />: $32.78 <br />NA <br />(Cat <br />Total unit cost/hour: <br />$ <br />Total fleet cost/hour : $134.58 <br />MATERIAL <br />QUANTITIES <br />(Cat <br />Blade type: <br />Initial <br />Swell <br />Net correction : <br />Loose <br />volume: <br />6,917 LCY factor <br />: NA <br />volume: 6,917 LCY <br />Source of estimated volume :App. Table 1 8 Hand p. 14 <br />Source of estimated swell factor NA <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br />Average push distance: 50 feet <br />Unadjusted hourly production: 1,022.9 LCY/hr <br />Material consistency description <br />Loose stockpile <br />Average push gradient <br />Average site altitude <br />Material weight <br />Weight description: <br />Earth - Dry packed <br />JOB TIME AND COST <br />Fleet size <br />2.00 % (i <br />6,800 feet <br />2550 Ibs/LCY <br />Unit cost <br />i Dozer(s) <br />$0.233 /LCY <br />Operator skill: <br />0.75 <br />(avi <br />Material consistency: <br />1.20 <br />(Cat <br />Dozing method: <br />1.00 <br />(ge <br />Visibility: <br />1.00 <br />(avi <br />Job efficiency: <br />0.83 <br />(1 shift <br />Spoil pile: <br />0.80 <br />(fnd <br />Push gradient: <br />1.05 <br />(Cat <br />Attitude: <br />1.00 <br />(Cat <br />Material weight: <br />0.90 <br />(Cat <br />Blade type: <br />1.00 <br />(S/S( <br />Net correction : <br />0.56 <br />Adjusted unit production : <br />576.67 <br />LCY/hr <br />Adjusted fleet production : <br />576.67 <br />LCY/hr <br />Total job time : 11.99 Hours <br />Total job cost: $1,614 <br />