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Page 1 of 2 <br />BULLDOZER WORK <br />Task description: Backfill highwall to 3H:1V <br />Site: Whitewater Quarry Permit Action: SO-01 Permit/Job#: M1986002 <br />PROJECT IDENTIFICATION <br />Task #: 01A State: Colorado <br />Date: 3/15/2011 County: Mesa <br />User: THM <br />Agency or organization name <br />HOURLY EQU <br />Basic Machine: <br />Horsepower: <br />Blade Type: <br />Attachment: <br />Shift Basis: <br />Data Source: <br />Cost Breakdown: <br />DRMS <br />IPMENT COST <br />Cat D7R DS Series II - 7SU <br />240 <br />Semi-Universal <br />NA <br />1 per day <br />(CRG) <br /> Utilization % <br />Ownership Cost/Hour: $43.55 NA <br />Operating Cost/Hour: $68.72 100 <br />Ripper op. Cost/Hour: $0.00 0 <br />Operator Cost/Hour: $38.49 NA <br />Total unit Cost/Hour: $150.75 <br />Total Fleet Cost/Hour: $150.75 <br />MATERIAL Q UANTITIES <br /> <br />Initial Volume: 1,250 <br />Swell factor: 1.090 <br />Loose volume: 1,363 LCY <br />Source of estimated volume: Division of Reclamation, Mining & Safety <br />Source of estimated swell factor: Cat Handbook <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly production: <br />75 feet <br />854.1 LCY/hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: <br />Average site altitude: <br />Material weight: <br />10% <br />4,730 feet <br />2,600 lbs/LCY <br />Weight description: Clay and gravel - Wet <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.) <br />Material consistency: 0.900 (CAT HB)) <br />Dozing method: 1.000 (GEN.) <br />Abbreviation: None <br />Filename: M002-01 a <br />CIRCES Cost Estimating Software