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• Colorado Division of Minerals and ~ogy <br />ESTIMATING FORM - BULLD02ER NORK <br />Task #: 1 Prep. by: SSS Task File Name: M033-1 <br />Date: 02/23/99 Permit #:M-86-033 Mine: Hess Pit <br />Permit Ac[i on: routine bond recalculation <br />Task Description: Backfill and grade present level 1 hi ghwall <br />HOURLY EOUI PMENT COST <br />____-_______________ Basic Machine: Cat DBN Horsepower: 285 <br />Blade Type: SEMI-UNIVERSAL --------- <br />Attachment #1: ROPS Cab Shift Basis: 1/day <br />Attachment #2: 1-shank ripper --------- <br />Cost Breakdown: <br />-------------- Utilization Y. <br />Ownership cost/hr = 844.14 N/A <br />Operating 8 overhaul cost/hr- dozer = 855.03 100 <br />-ripper = 51.80 20 <br />Operator cost/hr = 523.12 N/A <br />Total egpt. unit cost/hr = 5124.09 Total fleet cost/h r: 8124.09 <br />MATERIAL QUANTITIES <br />___________________ <br />___________________ <br />Initial Swell Loose <br />Volume: 9,375.0 CCY Factor: 1.125 Volume: 10,546.9 LCY <br />Source of quantity take off: Assume 30'HZ750'L hi ghwall cut 8 fill [0 3:1 <br />Source of est. swell factor: CAT Handbook <br />HOURLY PRODUCTION <br />_________________ Job Condition Correcti on Factors <br />Avg, push distance: 55 ft. ---------------------- --------^- <br />- -------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Ma[. consistency.. 0.90 (Ca[ [bl) <br />dozer production: 1126 LCY/hr Dozing method..... 1.20 (slot) <br />- -------- Visibility........ 1.00 (avg.) <br />Material consistency; Job efficiency..-- 0.83 (tshfday) <br />Compacted fill or embankment Spoil pile factor. 0.80 (fnd-rf) <br />--------------------- ---------------- Push gradient..... 1.33 (Cat tbl) <br />0.vg. push gradient: 15.00 X (neg) Altitude derati on. 1.00 (Cat tbl) <br />- -------- Material weight... 0.96 (Cat tbl) <br />Avg. site altitude: 6600 ft. Blade type........ 1.00 (S or U) <br />Material weight 2400.00 lb/LCY Net Job Correction 0.68 <br />Mat. Descr.: - -------- - --------^- <br />Llay 8 gravel - Dry Adjusted Unit Prod.: 771.18 LCY/hr <br /> qdj usted Fleet Production: 771.18 LCY/hr <br />JOB LOST - ---------- <br />Fleet size 1 Dozers) Total Job Time: 13.68 Hours <br />Unit Cost 50.161 /CCY Total Job Cost: 81,697.06 <br />