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Bowie No. 2 Mine Reclamation Cost Estimate RN -3 <br />BULLDOZER WORK <br />Task description: Regrade D- Portal Bench <br />Site: Bowie No. 2 Mine Permit Action: Permit Renewal 3 <br />PROJECT IDENTIFICATION <br />Task #: 002 State: Colorado <br />Date: 1/16/2013 County: Delta <br />User: SLB <br />Agency or organization name: DBMS <br />Page 9 of 312 <br />Permit /Job #: C1996083 <br />Abbreviation: None <br />Filename: C083 -002 <br />HOURLY EQUIPMENT COST <br />Basic Machine: Cat D10T - IOSU <br />Horsepower: 574 <br />Blade Type: Semi - Universal <br />Attachment: NA <br />Shift Basis: 1 per day <br />Data Source: (CRG) <br />Cost Breakdown: <br />Utilization % <br />Ownership Cost /Hour: $99.15 <br />NA <br />Operating Cost/Hour: $183.36 <br />100 <br />Ripper op. Cost/Hour: $0.00 <br />0 <br />Operator Cost/Hour: $37.41 <br />NA <br />Total unit Cost/Hour: $319.93 <br />Total Fleet Cost/Hour: $1,279.71 <br />MATERIAL QUANTITIES <br />Initial Volume: 260,593 <br />Swell factor: 1.165 <br />Loose volume: 303,591 LCY <br />Source of estimated volume: Operator Estimate <br />Source of estimated swell Cat Handbook <br />factor: <br />HOURLY PRODUCTION <br />Average push distance: <br />Unadjusted hourly <br />production: <br />100 feet <br />1,718.9 LCY /hr <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: 10% <br />Average site altitude: 6,900 feet <br />Material weight: <br />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 />