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Bulldozer Worksheet Cont'd Task#OIA Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Backfill and Grading of Terraces <br /> Site: Flag Creek Mine Permit Action: SI-2 Permit/Job#: M1997098 <br /> PROJECT IDENTIFICATION <br /> Task#: O I A State: Colorado Abbreviation: None <br /> Date: 5/9/2016 County: Rio Blanco Filename: M098-01a <br /> User: THM <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D8T-8SU <br /> Horsepower: 310 <br /> Blade Type: Semi-Universal <br /> Attachment: NA <br /> Shift Basis: 1 per d� <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization°o <br /> Ownership Cost/Hour: $66.85 NA <br /> Operating Cost/Hour: $102.51 100 <br /> Ripper op. Cost/Hour: $0.00 0 <br /> Operator Cost/Hour: $38.89 NA <br /> Total unit Cost/Hour: $208.25 <br /> Total Fleet Cost/Hour: $208.25 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 18,480 <br /> Swell factor: 1.215 <br /> Loose volume: 22,453 LCY <br /> Source of estimated volume: Division of Reclamation,Minim&Safety <br /> Source of estimated swell factor: Cat Handbook <br /> HOURLY PRODUCTION <br /> Average push distance: 50 feet <br /> Unadjusted hourly production: 1,400.0 LCY/hr <br /> Materials consistency description: Compacted fill or embankment 0.9 <br /> Average push gradient: 10% <br /> Average site altitude: 8,200 feet <br /> Material weight: 3,300 lbs/LCY <br /> Weight description: Decomposed rock-75%Rock,25%Earth <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 /> Visibility: 1.000 (AVG. <br /> Job efficiency: 0.830 (1 SHIFT/DAY) <br />