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BULLDOZER WORK Task description: Grade spoil side material and coal stockpile into pit Site: New Horizon Mine Permit Action: Permit Renewal 6 Permit /Job #: C1981008 PROJECT IDENTIFICATION Task #: 003 State Date: 12/18/2012 County User: SLB Colorado Montrose Abbreviation: None Filename: C008 -003 Agency or organization name: Colorado Division of Reclamation, Mining and Safety HOURLY EOUIPMENT COST Basic Machine: Cat D9T - 9U Horsepower: 405 Blade Type: Universal Attachment: NA Shift Basis: 1 per day Data Source: (CRG) Unadjusted hourly production: 737.1 LCY/hr Materials consistency description: Partly consolidated stockpile 1.1 Average push gradient: -20% Average site altitude: 5,700 feet Material weight: 2,900 lbs /LCY Weight description: Decomposed rock - 50% Rock, 50% Earth Job Condition Correction Factor Source Operator Skill: 0.750 (AVG.) Utilization % Ownership Cost /Hour: $69.88 NA Operating Cost/Hour: $142.13 100 Ripper op. Cost/Hour: $0.00 0 Operator Cost/Hour: $37.41 NA Total unit Cost /Hour: $249.42 Total Fleet Cost /Hour: $498.84 MATERIAL QUANTITIES Initial Volume: 478,169 Swell factor: 1.000 Loose volume: 478,169 LCY Source of estimated volume: WFC Fence Diagram, 3,348' long Cut 96 + 4,000 Icy coal Source of estimated swell Cat Handbook factor: HOURLY PRODUCTION Average push distance: 200 feet Unadjusted hourly production: 737.1 LCY/hr Materials consistency description: Partly consolidated stockpile 1.1 Average push gradient: -20% Average site altitude: 5,700 feet Material weight: 2,900 lbs /LCY Weight description: Decomposed rock - 50% Rock, 50% Earth Job Condition Correction Factor Source Operator Skill: 0.750 (AVG.)