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Cost Summary Worksheet Cont'd Task # 001 Page 4 of 118 <br />BULLDOZER WORK <br />Task description: Backfill Orchard Valley West Mine Bench <br />Site: Bowie No. 1 Mine Permit Action: Bond Release 4 (SL -4 <br />PROJECT IDENTIFICATION <br />Task #: 017 State: Colorado <br />Date: 12/19/2012 County: Delta <br />User: BFB <br />Agency or organization name: DRMS <br />HOURLY EOUIPMENT COST <br />Basic Machine: <br />Cat D l OT - I OSU <br />Horsepower: <br />574 <br />Blade Type: <br />Semi - Universal <br />Attachment: <br />3 -shank ripper <br />Shift Basis: <br />1 per day <br />Data Source: <br />(CRG) <br />Cost Breakdown: <br />Ownership Cost/Hour: <br />Operating Cost/Hour: <br />Ripper op. Cost/Hour: <br />Operator Cost/Hour: <br />Total unit Cost/Hour: <br />Total Fleet Cost/Hour: <br />Utilization % <br />$110.73 NA <br />$183.36 100 <br />$10.01 t00 <br />$37.41 NA <br />$341.51 <br />$1,366.06 <br />MATERIAL QUANTITIES <br />Initial Volume: <br />11's00 <br />Swell factor: <br />1.165 <br />Loose volume: <br />13,398 LCY <br />Source of estimated volume: Remaining volume after SL -02 approval <br />Source of estimated swell Cat Handbook <br />factor: <br />HOURLY PRODUCTION <br />Average push distance: 40_0 feet <br />Unadjusted hourly 497.3 LCY /hr <br />production: <br />Materials consistency description: Compacted fill or embankment 0.9 <br />Average push gradient: <br />Average site altitude: <br />Material weight: <br />10% <br />7,300 feet <br />lbs /LCY <br />Weight description: Decomposed rock - 50% Rock, 50% Earth <br />Permit/Job #: C1981039 <br />Abbreviation: None <br />Filename: C038 -017 <br />Job Condition Correction Factor Source <br />Operator Skill: 0.750 (AVG.) <br />Material consistency: 0.900 (CAT HB)) <br />CIRCES Cost Estimating Software <br />