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Bulldozer Worksheet Cont'd Task#001 Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Discarded Brick Highwall Pushdown 3:1,550' length,15' deep <br /> Site: Native/Pierre Mine Permit Action: 2024 Inspection Permit/Job#: M1977321 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 4/5/2024 County: Pueblo Filename: 001 <br /> User: JLC <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS XR Series 11 <br /> Horsepower: 240 <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: $114.76 NA <br /> Operating Cost/Hour: $91.98 100 <br /> Ripper own. Cost/Hour: $9.06 NA <br /> Ripper op. Cost/Hour: $1.76 35 <br /> Operator Cost/Hour: $40.04 NA <br /> Total unit Cost/Hour: $257.59 <br /> Total Fleet Cost/Hour: $515.18 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 1,393 <br /> Swell factor: 1.165 <br /> Loose volume: 1,623 LCY <br /> Source of estimated volume: 2024 Inspection,field and satellite measurements <br /> Source of estimated swell factor: Cat Handbook <br /> HOURLY PRODUCTION <br /> Average push distance: 50 feet <br /> Unadjusted hourly production: 1,022.9 LCY/hr <br /> Materials consistency description: Consolidated stockpile 1.0 <br /> Average push gradient: -5 % <br /> Average site altitude: 4,800 feet <br /> Material weight: 2,900 lbs/LCY <br /> Weight description: Decomposed rock-50%Rock, 50%Earth <br /> Job Condition Correction Factor Source <br /> Operator Skill: 0.750 (AVG.) <br /> Material consistency: 1.000 (CAT HB) <br /> Dozing method: 1.200 (SLOT) <br /> Visibility: 1.000 (AVG.) <br />