2011-07-17_PERMIT FILE - C1980007A

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 7/17/2011
• Doc Name: Cost Summary
• Section_Exhibit Name: Exhibit 53 Reclamation Cost Estimate Part 4
• Media Type: D
• Archive: Yes

CIRCES Cost Estimating Software
BULLDOZER WORK
r
PROJECT IDENTIFICATION
Task # : 20B State : Colorado Permit/job# : C -80 -007
Date : 0412612010
User: TA
County : Gunnison
Site West Elk Mine
Agency or organization name CDRMS
Permit or other job action : TR -120
Task description : Grade i
HOURLY EQUIPMENT COST
coal waste rock into <24 "lifts
Basic machine: Cat D9R - 9SU (2005) Horsepower: 405
Blade type Semi - Universal
Attachment no. 1 : ROPS Cab Shift basis : 1 per day
Attachment no. 2 : -shank ripper
Unadjusted hourly production : 1,243.2 LCY /hr
Material consistency description
Loose stockpile
Average push gradient : 2.00 % ()
Average site altitude : 7,100 feet
Material weight: 2,900 Ibs /LCY
Weight description :
Decomposed rock - 50% Rock, 50% Earth
Dozing method:
Visibility:
Job efficiency:
Spoil pile:
Push gradient:
Altitude :
Material weight:
Blade type :
Net correction :
1.00
1.00
0.83
0.80
0.97
1.00
0.79
1.00
0.46
Data source :
(CRG)
(1shift1da)
(fnd -rf)
Utilization %
(Cat HB)
(Cat HB)
Cost Breakdown : Ownership cost/hour :
$67.84
NA
Operating cost/hour :
$119.93
100
Ripper op. cost/hour :
$0.00
0
Operator cost/hour :
$38.54
NA
Total unit cost/hour :
$226.31 Total fleet
cost/hour :
$905.25
MATERIAL QUANTITIES
Initial Swell
Loose
volume: 10,000 LCY factor :
NA volume :
10,000
LCY
Source of estimated volume : Assumed 100,000 cyds of remaining waste
Source of estimated swell factor: NA
HOURLY PRODUCTION
Job Condition Correction Factors
Source
Operator skill :
0.75
(avg.)
Average push distance : 100 feet
Material consistency :
1.20
(Cat HB)
Unadjusted hourly production : 1,243.2 LCY /hr
Material consistency description
Loose stockpile
Average push gradient : 2.00 % ()
Average site altitude : 7,100 feet
Material weight: 2,900 Ibs /LCY
Weight description :
Decomposed rock - 50% Rock, 50% Earth
Dozing method:
Visibility:
Job efficiency:
Spoil pile:
Push gradient:
Altitude :
Material weight:
Blade type :
Net correction :
1.00
1.00
0.83
0.80
0.97
1.00
0.79
1.00
0.46
(gen.)
(avg.)
(1shift1da)
(fnd -rf)
(Cat HB)
(Cat HB)
(Cat HB)
(S /SU /U)
Adjusted unit production : 571.04 LCY /hr
Adjusted fleet production : 2,284.17 LCY /hr
Abbreviation : none
Filename :C007 -208
JOB TIME AND COST
Fleet size : 4 Dozer(s) Total job time: 4.38 Hours
Unit cost: $0.396 /LCY Total job cost: $3,963