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~lorado Division of Minerals and Geology • <br />ESTIMATING FORM - BULLDOZER WORK <br />Task #: 2 Prep. by: JCS Task File Name: N073-2 <br />Date: 11/10/99 Permit #:M-99-073 Mine: Pit 1 <br />Permit Action: Estimate reclamation cost <br />Task Description: Spread topsoil <br />HOURLY EQUIPMENT COST <br />Basic Machine: Lat D8N <br />Blade Type: UNIVERSAL <br />Attachment #1: ROPS Cab <br />Attachment #2: N/A <br />Horsepower: 285 <br />Shift Basis: 1/day <br />Cos[ Breakdown: <br />-------------- Utilization <br />Ownership Lost/hr = 537 .34 N/A <br />Operating 8 overhaul cost/h r - dozer = 855 .31 100 <br /> -ripper = 50 .00 N/A <br />Operator cost/hr = 523 .12 N/A <br />Total egpt. unit cost/hr = 5115 <br />_____ .76 <br />___ Total fleet cost/hr: 5115.76 <br />________ <br />MATERIAL QUANTITIES <br />__________________ <br />_ <br />_ <br />Initial Swell Loose <br />Volume: 6,500.0 CCY Fac [or: 1. 215 Volume: 7,897.5 LCY <br />Source of quantity take off: Personal estimate <br />Source of est. swell factor: Program <br />HOURLY PRODUCTION <br />_________________ Job Condition Correct ion Factors <br />Avg, push distance: 400 ft. --------------------- ----------- <br /> --------- Operator.......... 0.75 (avg.) <br />Unadjusted hourly Mat. consistency.. 1.10 (Cat tbl) <br />dozer production: 259 LCY/hr Dozing method..... 1.00 (gen.) <br /> --------- Visibility........ 1.00 (avg.) <br />Material consistency : Job efficiency.... 0.83 (15h/day) <br />Partly consolidated stockpile Spoil pile factor. 0.80 (fnd-rf) <br />-------------------- --------- -------- Push gradient..... 1.00 (Cat tbl) <br />Avg. push gradient: 0.00 7. (pos) Altitude deration. 1.00 (Cat tbl) <br /> --------- Material weight... 1.44 (Cat tbl) <br />Avg. site attitude: 8700 ft. Blade type........ 1.00 (S or U) <br /> <br />Material weigh[ -_-______ <br />1600.00 _____________________ <br />lb/LCY Net Job Correction ___________ <br />0.79 <br />Mat. Desc r.: --------- ----------- <br />Top Soil <br />____________________ <br />_________ Adjusted Unit Prod.: <br />________ 203.68 <br />______--_-- LCY/hr <br /> Adjusted Fleet Production: 203.68 LLY/hr <br />JOB COST ----------- <br />Fleet size 1 Doz er(s) Total Job Time: 38.77 Hours <br />Unit Cost 50.568 /LCY Total Job Cost: 54,488.58 <br />