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Bowie No. 1 Mine (C1981038)Surety Release No. 5 (SL-5)Page 8of 128 <br />BULLDOZER RIPPING WORK <br />Task description:Rip Roads <br />Site:Bowie No. 1 MinePermit Action:Bond Release 5 (SL-5)Permit/Job#:C1981038 <br />PROJECT IDENTIFICATION <br />Task #:041State:ColoradoAbbreviation:None <br />Date:2/4/2015County:DeltaFilename:C038-041 <br />User:SLB <br />: <br />Agency or organization nameDRMS <br />HOURLY EQUIPMENT COST <br />Basic Machine:Cat D10T -10SU Horsepower:574 <br />Ripper Attachment:3-Shank RipperShift Basis:1 per day <br />Data Source:(CRG) <br />Cost Breakdown: <br />Utilization % <br />Ownership Cost/Hour:$131.86NA <br />Operating Cost/Hour:$184.48100 <br />Ripper Operating Cost/Hour:$11.02100 <br />Operator Cost/Hour:$38.01NA <br />Total Unit Cost/Hour:$365.36 <br />Total Fleet Cost/Hour:$1,461.44 <br />MATERIAL QUANTITIES <br />Selected estimating method:Area <br />Alternate Methods: <br />Seismic:NABank Volume:NABCYNA <br />Area:0.55acresRip Depth (ft):2.00Volume:1,775BCY or CCY <br />Source of estimated quantity:Map 8-1 <br />HOURLY PRODUCTION <br />Seismic: <br />Seismic Velocity:NAfeet/second <br />Area: <br />Average Ripping Depth:2.87mph <br />Average Ripping Width:8.67degrees <br />Average Ripping Length:200.00feet <br />Average Dozer Speed:88.00feet <br />Average Maneuver Time:0.25feet <br />Production per unit area:0.947acres/hour <br />Job Condition Correction Factors <br />Unadjusted Hourly Unit Production:0.947Acres/hr <br />Site Altitude:7,000feet <br />Altitude Adj:1.00(CAT HB) <br />Job Efficiency:0.83(1 shift/day) <br />Net Correction:0.83multiplier <br />Adjusted Hourly Unit Production:0.79Acres/hr <br />Adjusted Hourly Fleet Production:3.14Acres/hr <br />