INSPEC38494

• Permit No: M1981185
• IBM Index Class Name: Inspection
• Doc Date: 10/9/1998
• Doc Name: RECLAMATION COST SUMMARY FORM
• Media Type: D
• Archive: No

~ol orado Division of Minerals and Geology •
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ESTIMATING FORM - HYDRAULIC E%CAVATOR WORK
Task #: 1 Prep. by: NHE Task File Name: M185-1
Date: 10/09/98 Permit #:M-81-185 Mine: Mayday Mine
Permit Action: General 110(2) permit bond recalculation.
Task Description: Cut terraces/berms on muck piles, scale portal face
HOURLY EQUIPMENT COST
_____________________
_____________________
Basic Machine:
CAT 320
Shift Basis:l/day
Cost Breakdown: ------------------ ---------
-------------- Utilization X Horsepower 128
Ownership cost/hr = 521.55 N/A ---------
Operating 8 overhaul cost/h r= 523.10 100 Neigh t-tons:
Operator cost/hr = 523.30 N/A ---------
-------- (DQI OSII)
Total egpt. unit cost/hr = 567.96 Total fleet cost/hr: 567.96
MATERIAL QUANTITIES
]nitial Swell Loose
Volume: 1,742.0 LCY Factor: N/A Volume: 1,742.0 cu. yds.
Source of quantity t ake-off: Terraces 10~L, 1H: 1V cut on 2H: 1V slope, 950~L
Source of es[. swell factor: NA
HOURLY PRODUCTION
_________________
_________________
Cycle Time - Basic
cycle time vs. job condition rating:
BELOW AVG.
---------- - Time Value within basic rating: MEAN
Basic cycle time = 0.36 min.
Bucket Capacity -------------
Rated capacity: 1.57 LCY (heaped) Size class: large
Bucket fill factor: 0.83 Blasted rock - avg. blasted (75 - 90X)
Adjusted capacity: 1.30 LCY
Job Condition Correc tion Factors - Altitude adj. = 0.85 (CHB)
-------------------- ------------ - Job efficiency = 0.83 (1s/d Ylip)
Site altitude = 9,000 ft. -----------
------- Net correction 0.71
Unadjusted hourly unit production 215.28 LCY/Hr
Adjusted hourly unit production : 151.88 LCY/Hr
Adjusted hourly fleet production 151-88 LCY/Hr
JOB COST
Fleet Size: 1 Excavato
-_____ r(s) Total Job Time: 11.47
---- Hours
Unit Cost -
50.447 /cu. yd. Total Job Cost: -----__
5779.47