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Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 7 Prep. by: ACS Task File Name: M051-7 <br /> ------------ --------- ------------- <br /> Date: 07/01/99 Permit #:M-99-051 Mine: Rock School Lease Project <br /> ------------ --------- --------------------------------- <br /> Permit Action: New application <br /> -------------------------------"'------�----------- <br /> Task Description: Backfill and grade main access road <br /> ------------------------------------------------------------- <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D7H SERIES II Horsepower: 215 <br /> Blade Type: SEMI-UNIVERSAL """""""--" <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: 3-shank ripper <br /> Cost Breakdown: <br /> -------------" Utilization s <br /> Ownership cost/hr = $36.36 'N/A <br /> Operating & overhaul cost/hr- dozer = $40.57 100 <br /> -ripper = $0.91 20 <br /> Operator cost/hr = $23.12 N/A <br /> Total eqpt. unit cost/hr = $100.96 Total fleet cost/hr: $100.96 <br /> ------- -------- <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 70,000.0 CCY Factor: 1.125 Volume: 78,750.0 LCY <br /> ------------ ---------- ------------- <br /> Source of quantity take-off: Exhibit L, section L-1 <br /> Source of est. swell factor: Spreadsheet swell table - general fill <br /> ---------------""""---------------------'----------- <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 63 ft. <br /> --------- Operator.......... 0.75 (avg.) <br /> Unadjusted hourly Mat. consistency.. 0.90 (Cat tbl) <br /> dozer production: 823 LCY/hr Dozing method..... 1.00 (gen.) <br /> "" Visibility........ 1.00 (avg.) <br /> Material consistency: Job efficiency.... 0.83 (lsh/day) <br /> Compacted fill or embankment Spoil pile factor. 0.70 (fnd-mf) <br /> "---------"'-"-"""""""""""""""""----- Push gradient..... 0.83 (Cat tbl) <br /> Avg. push gradient: 8.00 % (pos) Altitude deration. 1.00 (Cat tbl) <br /> "" Material weight... 1.00 (Cat tbl) <br /> Avg. site altitude: 6500 ft. Blade type........ 1.00 (S or U) <br /> --------- ----------------------------'-" <br /> Material weight 2300.00 lb/LCY Net Job Correction 0.33 <br /> Mat. Descr.: <br /> --------- ----------- <br /> GENERAL FILL Adjusted Unit Prod.: 269.10 LCY/hr <br /> ------------------------------------- ----------- <br /> Adjusted Fleet Production: 269.10 LCY/hr <br /> JOB COST ----------- <br /> Fleet size 1 Dozer(s) Total Job Time: 292.64 Hours <br /> Unit Cost $0.375 /LCY Total Job Cost: $29,544.95 <br />