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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PRO.)ECT IDENTIFICATION <br />Task # : 006 State :Colorado Permitfjob# : C-1981-047 <br />Date : 09/13/7007 County :Delta Abbreviation :none <br />User : JRS Site :Blue Ribbon Mine Filename : C047-006 <br />Agency or organization name :Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action : Pemtit Renewal 05 <br />Task description : Backfill and Regrade Sediment Pond ~f5 <br />;:... _ <br />..._ <br />HOURLY EQUIPMENT COST <br />Basic machine :Cat D8R Series /l - 8SU (200; Horsepower : 310 <br />Blade type :Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2 : 3-shank ripper <br />Data source : (CRG) <br />Cost Breakdown : Ownership cost/hour <br />Operating cost/hour <br />Ripper op. cost/hour <br />Operator cost/hour <br />Total unit cost/hour <br />MATERIAL QUANTITIES <br />Initial Swell <br />Utilization <br />$58.24 NA <br />$73.75 100 <br />$0.00 0 <br />$32.78 NA <br />$164.77 Total fleet cost/hour : $164.77 <br />Loose <br />volume : 1,146 CCY volume <br />1,289 LCY <br />Source of estimated volume :1990 Reclamation Cost Estimate <br />Source of estimated swell factor :CAT Handbook <br /> <br />HOURLY PRODUCTION Job Condition Correction Factors Source <br /> Operator skill : 0.75 (avg.) <br />Average push distance : 100 feet Material consistency : 0.90 (Cat HB) <br />Unadjusted hourly production : 852.6 LCY/hr Dozing method : 1.00 (gen.) <br /> Visibility : 1.00 (avg.) <br />Material consistency description : Job efficiency : 0.83 (lshift/day) <br />Compacted fill orembankment Spoil pile :_ _0.80 _ _(fnd-rf) <br /> Push gradient : <br />- 1.00 <br />-- <br /> <br />---{ (Cat HB <br /> <br />--- ) <br />Average push gradient : 0.00 % (pos) Altitude : 1.00 ~ (Cat HB <br />Average site altitude : 6,400 feet Material weight : <br />~ 0.87__ <br />~~ (CatHB) <br /> ~ Blade type : f .00 i (S/SU/U) <br />Material weight : 2, 650 Ibs/LCY i Net correction : 0.39 <br />Weight description _ <br />Decomposed rock - 25% Rock, 75% Earth Adjusted unit production : 331.54 LCY/hr <br /> Adjusted fleet production : 331.54 LCY/hr <br /> <br />JOB TIME AND COST <br />Fleet size : 1 Dozers) Total job time : 3.89 Hours <br />Unit cost : $0.497 /LCY Total job cost : $1341 <br /> <br />factor <br />1.125 <br />