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Bulldozer Worksheet Cont'd Task#001 Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Grade pit slopes from 2.5H:1V to 3H:1V <br /> Site: Dill Pit Permit Action: 2023 Calculation Permit/Job#: M2009077 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 7/19/2023 County: Elbert Filename: M077-001 <br /> User: JR2 <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 day <br /> Data Source: (CRG) <br /> Cost Breakdown: <br /> Utilization% <br /> Ownership Cost/Hour: $241.38 NA <br /> Operating Cost/Hour: $143.92 100 <br /> Ripper own. Cost/Hour: $0.00 NA <br /> Ripper op. Cost/Hour: $0.00 0 <br /> Operator Cost/Hour: $41.30 NA <br /> Total unit Cost/Hour: $426.60 <br /> Total Fleet Cost/Hour: $426.60 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 1,390 <br /> Swell factor: 1.250 <br /> Loose volume: 1,738 LCY <br /> Source of estimated volume: 1500 ft L x 20 ft H,cut and fill <br /> Source of estimated swell factor: Cat Handbook <br /> HOURLY PRODUCTION <br /> Average push distance: 60 feet <br /> Unadjusted hourly production: 1,246.9 LCY/hr <br /> Materials consistency description: Compacted fill or embankment 0.9 <br /> Average push gradient: -5 % <br /> Average site altitude: 5,700 feet <br /> Material weight: 2,650 lbs/LCY <br /> Weight description: Decomposed rock-25%Rock,75%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 />