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Colorado Division of Minerals and Geology <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 2 Prep. by: S55 Task File Name: N143-2 <br />Date: 09/15/95 Permit #:M-80.143 Mine: Texas Creek Gravel Pit <br />Permit Action: Recalculated Bond for Technical Revision No. 2 <br />Task Description: replace topsoil over permit area <br />HWRLY EQUIPMENT COST <br />Basic Machine: Cat DBN Horsepower: 285 <br />Blade Type: SEMI-UNIVERSAL <br />Attachment #1: BOPS Cab Shift Basis: 1/day <br />Attachment #2: 3-shank ripper -------- <br />Cost Breakdown: <br />- Utilization X <br />Ownership cost/hr 546.40 N/A <br />Operating 8 overhaul cost/hr- dozer = 551.67 100 <br />-ripper = 50.00 0 <br />Operator cost/hr = 522.95 N/A <br />Total egpt. unit cost/hr = 5121.02 Total fleet cost/hr: 5121.02 <br />MATERIAL QUANTITIES <br />Initial Swell Loose <br />Volume: 8.066.0 LCY Factor: N/A Volume: 8.066.0 LCY <br />Source of quantity take-off: Assume 5 ac. topsoil replacement @ 1 ac. ft./ac. <br />Source of est. swell factor: NA <br />HOURLY PRODUCTION <br />Job Condition Correction Factors <br />Avg. push distance: 150 ft. ----------------------- <br />------- Operator.......... : 0.75 (avg.) <br />Unadjusted hourly Mat. conststency.. 1.10 (Cat tbl) <br />dozer production: 591 LCY/hr Dozing method..... 1.00 (gen.) <br />---- Visibility........ 1.00 (avg.) <br />Material consistency: Job efficiency.... 0.83 (lsh/day) <br />Partly consolidated stockpile Spoil pile factor. 0.90 (ssd-fc) <br />h <br />Avg. push gradient: <br />Avg. site altitude: <br />Material weight <br />Mat. Descr.: <br />Earth - Loam <br />JOB COST <br />---- -- Push gradtent..... <br />5.00 X (neg) Altitude deration. <br />Material weight... <br />7300 ft. Blade type........ <br />2100.00 lb/LCY Net Job Correction <br />Adjusted Unit Prod. <br />Adjusted Fleet Production <br />1.11 (Cat t 1) <br />1.00 (Cat tbl) <br />1.10 (Cat tbl) <br />1.00 (S.SU,U) <br />0.75 <br />444.66 LCY/hr <br />444.66 LCY/hr <br />Fleet size 1 Dozers) Total Job Tire: 18.14 Hours <br />Unit Cost 50.272 /LCY Total Job Cost: 52.195.30 <br />