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Page 1 of 2 <br />BULLDOZER WORK <br />Task description: <br />Backfill and Grade Material Used to Widen Access Road <br />Site: Elk Creek Mine <br />Permit Action: MT-06 - Backfilling <br />and Rough Grading <br />Tasks Permit/Job#: C1981022 <br />PROJECT IDENTIFICATION <br />Task #: 004 State: Colorado <br />Date: 12-Apr-11 County: Delta <br />User: JRS <br />Agency or organization name: DRMS <br />HOURLY EQU <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 /> <br />Initial Volume: 1,600 <br />Swell factor: 1.165 <br />Loose volume: 1,864 LCY <br />Source of estimated volume: Technical Revision 21 <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly production: <br />125 feet <br />1.450.0 LCY/hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: 10% <br />Average site altitude: 6,100 feet <br />Material weight: 2,9001bs/LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Abbreviation: None <br />Filename: C022-004 <br />CIRCES Cost Estimating Software