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Bulldozer Worksheet Cont'd Task#001 Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: 3H:1V 400 foot long 35 ft highwall <br /> Site: Becker Pit Permit Action: 2025 Inspection Permit/Job#: M2020022 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 5/23/2025 County: Huerfano Filename: 1 <br /> User: AMG <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: 3-shank ripper <br /> Shift Basis: 1 per day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $173.32 NA <br /> Operating Cost/Hour: $109.71 100 <br /> Ripper own.Cost/Hour: $14.53 NA <br /> Ripper op.Cost/Hour: $1.99 25 <br /> Operator Cost/Hour: $38.59 NA <br /> Total unit Cost/Hour: $338.13 <br /> Total Fleet Cost/Hour: $338.13 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 4,785 <br /> Swell factor: 1.215 <br /> Loose volume: 5,814 LCY <br /> Source of estimated volume: Mining Plan <br /> Source of estimated swell factor: Cat Handbook <br /> HOURLY PRODUCTION <br /> Average push distance: 70 feet <br /> Unadjusted hourly production: 1,093.7 LCY/hr <br /> Materials consistency description: Compacted fill or embankment 0.9 <br /> Average push gradient: -5% <br /> Average site altitude: 6,520 feet <br /> Material weight: 3,3001bs/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: 1.200 (SLOT) <br /> Visibility: 1.000 (AVG.) <br /> Job efficiency: 0.830 (1 SHIFT/DAY) <br />