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Bulldozer Worksheet Cont’d Task # 001 Page 1 of 2 <br /> <br /> <br />BULLDOZER WORK <br /> <br />Task description: Cut and fill highwall slopes to 3H:1V Site: WSG-Hribar Permit Action: 2025 Insp/AM1 Info Permit/Job#: M2009027 <br /> <br />PROJECT IDENTIFICATION Task #: 001 State: Colorado Abbreviation: None <br />Date: 7/17/2025 County: Huerfano Filename: 1 <br />User: AMG <br />Agency or organization name: DRMS <br /> <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) Cost Breakdown: <br /> Utilization % <br />Ownership Cost/Hour: $179.60 NA <br />Operating Cost/Hour: $110.45 100 <br />Ripper own. <br />Cost/Hour: $15.28 NA <br />Ripper op. Cost/Hour: $9.14 100 <br />Operator Cost/Hour: $38.02 NA Total unit Cost/Hour: $352.49 <br />Total Fleet Cost/Hour: $352.49 <br /> <br />MATERIAL QUANTITIES Initial Volume: 2,930 <br />Swell factor: 1.250 <br />Loose volume: 3,663 LCY Source of estimated volume: Highwall 750ft long 20ft high DRMS observation <br />Mining Map <br />Source of estimated swell <br />factor: <br />Cat Handbook <br /> <br />HOURLY PRODUCTION <br />Average push distance: 60 feet <br />Unadjusted hourly <br />production: <br />1,246.9 LCY/hr <br /> <br />Materials consistency description: Compacted fill or embankment 0.9 <br /> <br />Average push <br />gradient: <br />-5 % <br />Average site altitude: 6,050 feet <br /> <br />Material weight: 2,650 lbs/LCY <br /> <br />Weight description: Decomposed rock - 25% Rock, 75% Earth