Laserfiche WebLink
Colorado Division of Minerals and Geology <br /> ----------------------------------------- <br /> ESTIMATING FORM - BULLDOZER WORK <br /> Task #: 9 Prep. by: SLB Task File Nave: C017-9 <br /> ------------ <br /> __- --- _____________ <br /> Date: 12/30/94 Permit I:C-81-017 Nine: Coal Basin Hines <br /> ____________ --------- _________________________________ <br /> Permit Action: N/A <br /> _____________________________________________________________ <br /> Task Description: Backfill Mine 13 Entry Portals <br /> _____________________________________________________________ <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 12: N/A ---------- <br /> Cost Breakdown: <br /> -------------- Utilization % (code §60) <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 /> ________ <br /> MATERIAL QUANTITIES <br /> ------------------- <br /> ------------------- <br /> Initial Swell Loose <br /> Volume: 533.3 BCY Factor: 1.250 Volume: 666.7 LCY <br /> _____-______ ---------- _____________ <br /> Source of quantity take-off: assume 12'x12', 25' of fill, 4 portals <br /> ____________________________________________________ <br /> Source of est. swell factor: Estimated from Caterpillar handbook <br /> ____________________________________________________ <br /> HOURLY PRODUCTION <br /> Job Condition Correction Factors <br /> Avg. push distance: 75 ft. ________________________________ <br /> _________ Operator.......... . 0.60 (poor) <br /> Unadjusted hourly Hat. consistency.. : 0.50 (user) <br /> dozer production: 244 LCY/hr Dozing method..... . 1.00 (gen.) <br /> --------- Visibility........ : 0.70 (user) <br /> Material consistency: Job efficiency.... : 0.83 (1sh/day) <br /> User provided factor Transmission type. : 1.00 ( PS ) <br /> ---- <br /> - Grade adjustment.. . 1.00 (Cat tbl) <br /> Avg. push gradient: 0.00-%-(pos) Altitude adj. .... . 0.72 (Cat tbl) <br /> _________ Material weight... . 1.00 (Cat tbl) <br /> Avg. site altitude: 10000 ft. Blade type........ : 0.63 (PAT) <br /> -- _______________________________ <br /> Material weight : 2300.00 lb/LCY Net Job Correction : 0.08 <br /> Hat. Descr.: --------- __--___-___ <br /> GENERAL FILL Adjusted Unit Prod.: 19.12 LCY/hr <br /> _____________________________________ ___-_______ <br /> Adjusted Fleet Production: 19.12 LCY/hr <br /> JOB COST _______--__ <br /> Fleet size : 1 Dozer(s) Total Job Time: 34.87 Hours <br /> -------- ----------- <br /> Unit Cost : $2.233 /ICY Total Job Cost: $1,488.94 <br /> -------- ----------- <br />