REV91512

• Permit No: M1981277
• IBM Index Class Name: Revision
• Doc Date: 9/22/1994
• Doc Name: LOUKONEN QUARRIES DESCRIPTION
• Type & Sequence: AM1
• Media Type: D
• Archive: No

Colorado Division of Minerals erd Geology
EST MUTING FORM - BULLD02ER YORK
Task M: 3 Prep, by: YLY Task File Marne: M277-3
Date:-~OV/22(94 Permit R:M-81-277 Mine: Loukonen Ouarriea-----
~i Permit Action: AM-007
Task Description: Regrade Sunni Quarry waste rock
' HOURLY EQUIPMENT CAST
____________________= Besie Machine: Cat D6H Horsepower: 165
Blade Type: Semi-Universal --------
Attechment M1: ROPS Cab Shift Basis: 7/day
Attachment i@: N/A --
Coat Breakdown:
i -------------- Utilization X (code bS0)
' Ownership Lost/hr = (22.25 N/A
Operating 8 overhaul cost/hr- dozer = 522.63 100
-ripper = 50.00 N/A
Operator cost/hr = (27.58 N/A
Total egpt. unit costlhr = 566.46 Total fleet Lost/hr: 566.46
MATERIAL QUANTITIES
Initial Swell Loose
Volume: 1,000.0 BCY Factor: 7.430 Volume: 7,430.0 LLY
Source of quantity take-off: Exhibit L
Source of est. swell factor: na
HOURLY PRODUCTION '
________________= Job Condition Correction Factors
Avg. push distance: 75 ft. ------------------- ----------
Operetor.......... 0.75 (avg.)
Unadjusted hourly Met. consistency.. 0.90 (Let tbl)
dozer production: 437 LCY/hr Dozing method..... 7.00 (gen.)
--- Visibility........ 1.00 (avg.)
Materiel consistency: Job efficiency.... 0.83 (1sh/day)
Crnpected fill or embankment Transmission type. 7.00 ( PS )
------------------- - ------- Grade adjustment.. 0.67 (Cat tbl)
Avg. push gradient: 75.00 X (pos) Altitude adj. .... 7.00 (Cat tbL)
--------- Materiel weight... 0.70 (Cat tbl)
Avg. site altitude: 6000 ft. Blade type........ 1.00 (S or U)
Materiel weight 3300.00 lb/LCY Net Job Correction 0.26
Ma[. Descr.: --------- - ---------
Decomposed rock - 75X Rock, 25X Earth Adjusted Unit Prod.: 772.28 LCY/hr
Adjus ted Fleet Production: 772.28 LLY/hr
J08 COST - ---
Fleet size 7 Dozers) Total Jab Time: 72.74 Hours
Unit Cost 50.592 lLCY Total Job Cost: 5846.42