_GENERAL DOCUMENTS - C1981017 ‎(184)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

Colorado Division of Minerals and Geology
ESTIMATING FORM - BULLDOZER WORK
Task #: 2 Prep. by: SL8 Task File Name: C017-2
Date: 03/14/94 Permit #:C-81-017 Mine: Coal Basin Mines
Permit Action: N/A
Task Description: Backfill Mine #1 Fan Portats
HOURLY EQUIPMENT COST
Basic Machine: Cat D4B Horsepower: 75
Blade Type: -Power Angle T i l t
Attachment #1: ROPS Cab Shift Basis: 1/day
Attachment #2: N/A -----
Cost Breakdown:
Utilization % (code MO)
ownership cost/hr = 58.46 N/A
operating & overhaul cost/hr- dozer = $12.67 100
-ripper = SO.00 N/A
Operator cost/hr = $21.58 N/A
Total eqpt. unit cost/hr = $42.70 Total fleet cost/hr: 542.70
MATERIAL QUANTITIES
-------------------
Initial Swell Loose
Volume: 399.9 BCY Factor: 1.250 Volume: 499.9 LCY
Source of quantity take-off: Assume 12' X 12' portal, 25, of backfill
Source of est. swell factor: Division estimate
HOURLY PRODUCTION
Job Condition Correction Factors
Avg. push distance: 75 ft. ----- -------
- Operator.......... : 0.60 (poor)
Unadjusted hourly Mat. consistency.. : 0.50 (user)
dozer production: 244 LCY/hr Dozing method..... : 1.00 (user)
Visibility........ . 0.70 (user)
Material consistency: Job efficiency.... : 0.83 (tsh/day)
User provided factor Transmission type. : 1.00 ( PS )
--- ------ Grade adjustment.. . 1.00 (Cat tbl)
Avg. push gradient: 0.00 % (pos) Attitude adj. .... . 0.72 (Cat tbt)
Material weight... : 1.00 (Cat tbL)
Avg. site altitude: 10000 ft. Blade type........ : 0.63 (PAT)
Material weight : 2300.00 lb/LCY Net Job Correction 0.08
Mat. Descr.:
GENERAL FILL Adjusted Unit Prod.: 19.12 LCY/hr
Adjusted Fleet Production: 19.12 LCY/hr
JOB COST ----__-_--_-
Fleet size : 1 Dozer(s) Total Job Time: 26.14 Hours
Unit Cost : 52.233 /LCY Total Job Cost: 51,116.43