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Pagel of 2 <br />BULLDOZER WORK <br />Task description: Backfill and Regrade Temporary Conveyor Corridor <br />Permit Action: MT-06 - Backfilling <br />and Rough Grading <br />Site: Elk Creek Mine Tasks Permit/Job#: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 011 State: Colorado <br />Date: 13-Apr-11 County: Delta <br />User: JRS <br />Agency or organization name: DRMS <br />HOURLY EOU <br />Basic Machine: <br />Horsepower: <br />Blade Type: <br />Attachment: <br />Shift Basis: <br />Data Source: <br />Cost Breakdown: <br />IPMENT COST <br />Cat DIOR - IOSU (2005) <br />570 <br />Semi-Universal <br />NA <br />1 per day <br />(CRG) <br />Utilization % <br />Ownership Cost/Hour: $68.88 NA <br />Operating Cost/Hour: $147.96 100 <br />Ripper op. Cost/Hour: $0.00 0 <br />Operator Cost/Hour: $38.49 NA <br />Total unit Cost/Hour: $255.34 <br />Total Fleet Cost/Hour: $766.01 <br />MATERIAL Q UANTITIES <br />Initial Volume: 7,400 <br />Swell factor: 1.165 <br />Loose volume: 8.621 LCY <br />Source of estimated volume: Operator Estimate <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Average push distance: 250 feet <br />Unadjusted hourly production: 754.3 LCY/hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: 5% <br />Average site altitude: 6,250 feet <br />Material weight: 2,900 lbs/LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Abbreviation: None <br />Filename: C022-011 <br />CIRCES Cost Estimating Software