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Bulldozer Worksheet Cont'd Task#001 Page 1 of 2 <br /> BULLDOZER WORK <br /> Task description: Backrill/Re-grading(3 300-CY Piles) <br /> Iron Mountain Road Gravel Permit Action: <br /> Site: Pit 2024Inspection Permit/Job#: M1994092 <br /> PROJECT IDENTIFICATION <br /> Task#: 001 State: Colorado Abbreviation: None <br /> Date: 6/17/2024 County: Fremont Filename: M092-001 <br /> User: JLC <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: $114.76 NA <br /> Operating Cost/Hour: $91.98 100 <br /> Ripper own. Cost/Hour: $9.06 NA <br /> Ripper op. Cost/Hour: $0.00 1 0 <br /> Operator Cost/Hour: $41.30 NA <br /> Total unit Cost/Hour: $257.10 <br /> Total Fleet Cost/Hour: $257.10 <br /> MATERIAL QUANTITIES <br /> Initial Volume: 900 <br /> Swell factor: 1.060 <br /> Loose volume: 954 LCY <br /> Source of estimated volume: DRMS(incl.—600 CY for SW highwall backfill) <br /> Source of estimated swell factor: Cat Handbook <br /> HOURLY PRODUCTION <br /> Average push distance: 100 feet <br /> Unadjusted hourly production: 714.3 LCY/hr <br /> Materials consistency description: Compacted fill or embankment 0.9 <br /> Average push gradient: -25 % <br /> Average site altitude: 7,550 feet <br /> Material weight: 3,250 lbs/LCY <br /> Weight description: Gravel-Pitrun <br /> Job Condition Correction Factor Source <br /> Operator Skill: 0.750 (AVG.) <br /> Material consistency: 0.900 (CAT HB)) <br /> Dozing method: 1.100 (50%SL) <br />