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Bulldozer Worksheet Cont'd Task#001 Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Grade large overburden/waste rock stockpile to 3H:1V <br /> Site: Vasquez Quarry No 2 Permit Action: Insp 2023 Permit/Job#: M1994121 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 4/13/2023 County: Boulder Filename: 001 <br /> User: JPL <br /> Agency or organization name: DRMS <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7R DS XR Series II <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: $92.78 NA <br /> Operating Cost/Hour: $79.33 100 <br /> Ripper own. $g 37 NA <br /> Cost/Hour: <br /> Ripper op. Cost/Hour: $0.50 10 <br /> Operator Cost/Hour: $40.04 NA <br /> Total unit Cost/Hour: $221.01 <br /> Total Fleet Cost/Hour: $442.03 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 7,200 <br /> Swell factor: 1.215 <br /> Loose volume: 8,748 LCY <br /> Source of estimated volume: Division of Reclamation,Mining& Safety <br /> Source of estimated swell Cat Handbook <br /> factor: <br /> HOURLY PRODUCTION <br /> Average push distance: 50 feet <br /> Unadjusted hourly 1,022.9 LCY/hr <br /> production: <br /> Materials consistency description: Rock,avg. ripped or blasted 0.7 <br /> Average push -10% <br /> gradient: <br /> Average site altitude: 6,200 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 />