PERMFILE62785

• Permit No: X200722800
• IBM Index Class Name: Permit File
• Doc Date: 4/4/2007
• Doc Name: Final Adequacy Letter
• From: DRMS
• To: Ark Land Company
• Media Type: D
• Archive: No

CIRCES Cost Estimatina Software
PROJECT
IDENTIFICATION
Task # :
002
Date:
0410212007
User:
JHB
State : Colorado
County : Garfield
Site : Grand Valley Book Cliffs
PerFnitrjob#:X2007-228-00
Abbreviation :none
Filename :X-00-W2
Agency or organization name Division Of Reclamation, Mining And Safety
Permit or other job action : NOI
Task description: Regrade 16 drill pads
HDIJIiLY EQUIPMENT COST
Basic machine:
Cat 07R DS Series l/
Slade type:
Semi-Universal
Attachment no. 1
: ROPS Cab
Attachment no. 2:3-shank
ripper
Shift basis : 1 per day
7SU Horsepower: 240
Data source
(CRG)
Utilization %
Cost Breakdown
Ownership cost/hour
$47.67
NA
Operating costlhour:
$54.13
100
Ripper op. cost/hour:
$0.86
20
Operator costlhour:
$32.78
NA
Total unit cost/hour: $13544 Total fleet cost/hour:
$135.44
MATERIAL QUANTITIES
Initial
Swell
Loose
volume: 6,582
LCY factor
NA volume:
6,582
LCY
Source of estimated volume App. Table 11
X 1,5
Source of estimated swell factor :NA
HOURLY PRODUCTION
Job Condition Correction Factors
Source
Operator skill :
0.75
(avg.)
Average push distance:
50 feet
Material consistency:
1.20
(Cat HB)
Unadjusted hourly production :
1,022.9 LCY/hr
Dozing method:
1.00
(gen.)
Visibility:
1.00
(avg.)
Material consistency description:
Job efficiency :
0.83
(Ishiffiday)
Loose stockpile
Spoil pile:
0.80
(fnd-rf)
Push gradient:
0.97
(Cat HB)
Average push gradient:
2.00 % (pos)
Altitude:
100
(Cat HB)
Average site altitude
6,800 feet
Material weight:
0.87
(Cat HB)
- UAJ)
Blade type:
too
(SIS
Material weight:
2,650 lbstLCY
Net correction
0-50
Weight description: ,
Decomposed rock - 25% Rock, 75% Earth
Adjusted unit production
514.18
LCY/hr
Adjusted fleet production:
514.18
LCY/hr
JOB TIME AND COST
Fleet size
I Dozer(s)
Total job time:
12.80
Hours
Unit cost
$0.263 /LCY
Total job cost
$1,734
7SU Horsepower: 240