Laserfiche WebLink
Colorado Division of Minerals and Geology <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 175 Prep. by: SLB Task File Name: C017-175 <br /> Date: 12/20/94 Permit #:C-81-017 Mine: Coal Basin Mines <br /> Permit Action: N/A <br /> Task Description: Construct berms and ditches on benches for five mines <br /> HOURLY EQUIPMENT COST <br /> Basic Machine: Cat D4B Horsepower: 75 <br /> Blade Type: Power Angle Tilt <br /> Attachment #1: ROPS Cab Shift Basis: 1/day <br /> Attachment #2: N/A --- <br /> Cost Breakdown: <br /> Utilization % (code emu) <br /> Ownership cost/hr = $8.46 N/A <br /> Operating & overhaul cost/hr- dozer = $12.67 100 <br /> -ripper = $0.00 N/A <br /> Operator cost/hr = $21.58 N/A <br /> Total eqpt. unit cost/hr = $42.70 Total fleet cost/hr: $42.70 <br /> MATERIAL QUANTITIES <br /> Initial Swell Loose <br /> Volume: 6,845.0 BCY Factor: 1.330 Volume: 9,103.9 LCY <br /> Source of quantity takeoff: Maps II-B-App.7-Att. 1 and x-Sections V-E-1a - e <br /> Source of est. swell factor: Estimated from Caterpillar Handbook <br /> HOURLY PRODUCTION <br /> _------------__ Job Condition Correction Factors <br /> Avg. push distance: 200 ft. --- <br /> Operator.......... : 0.75 (avg.) <br /> Unadjusted hourly Mat. consistency.. : 0.60 (Cat tbl) <br /> dozer production: 94 LCY/hr Dozing method..... : 1.00 (user) <br /> --------- Visibility........ : 1.00 (avg.) <br /> Material consistency: Job efficiency.... : 0.83 (1sh/day) <br /> Rock, poorly ripped or blasted Transmission type. : 1.00 ( PS ) <br /> ---------- Grade adjustment.. . 1.00 (Cat tbl) <br /> Avg. push gradient: 0.00 % (pos) Altitude adj. .... . 0.72 (Cat tbl) <br /> -------- Material weight... . 0.79 (Cat tbl) <br /> Avg. site altitude: 10000 ft. Blade type........ : 0.63 (PAT) <br /> Material weight : 2900.00 lb/LCY Net Job Correction : 0.13 <br /> Mat. Descr.: --- ---- <br /> Decomposed rock - 50% Rock, 50% Earth Adjusted Unit Prod.: 12.58 LCY/hr <br /> Adjusted Fleet Production: 12.58 LCY/hr <br /> JOB COST <br /> Fleet size : 1 Dozer(s) Total Job Time: 723.74 Hours <br /> Unit Cost : $3.395 /LCY Total Job Cost: $30,906.14 <br />