2012-04-13_REVISION - C1982056

• Permit No: C1982056
• IBM Index Class Name: Revision
• Doc Date: 4/13/2012
• Doc Name: Adequacy Review
• From: DRMS
• To: Twentymile Coal Company
• Type & Sequence: MR260
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

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BULLDOZER WORK
Task description: Regrade Additional 16LT Road Disturbance
Site: Foidel Creek Mine Permit Action: MR260 Permit/Job #: C1982056
PROJECT IDENTIFICATION
Task #: 001
Date: 4/12/2012
User: JDM
State: Colorado
County: Routt
Agency or organization name: DRMS
HOURLY EOUIPMENT COST
Basic Machine:
Cat D8T - 8SU
Horsepower:
310
Blade Type:
Semi - Universal
Attachment:
3 -shank ripper
Shift Basis:
1 per day
Data Source:
(CRG)
Cost Breakdown
MATERIAL OUANTITIES
Initial Volume: 3,872
Swell factor: 1.250
Loose volume: 4,840 LCY
Source of estimated volume:
Source of estimated swell factor
HOURLY PRODUCTION
Average push distance:
Unadjusted hourly production:
Materials consistency description:
Average push gradient:
Average site altitude:
Material weight:
Weight description:
Division of Reclamation, Mining & Safety
Cat Handbook
100 feet
852.6 LCY/hr
5%
6,800 feet
2,550 lbs/LCY
Earth - Dry backed
fill or embankment 0.9
Abbreviation: None
Filename: CO56 -001
CIRCES Cost Estimating Software
Utilization %
Ownership Cost/Hour:
$65.28
NA
Operating Cost/Hour:
$102.81
100
Ripper op. Cost/Hour:
$0.00
0
Operator Cost/Hour:
$38.49
NA
Total unit Cost/Hour:
$206.58
Total Fleet Cost/Hour:
$206.58
MATERIAL OUANTITIES
Initial Volume: 3,872
Swell factor: 1.250
Loose volume: 4,840 LCY
Source of estimated volume:
Source of estimated swell factor
HOURLY PRODUCTION
Average push distance:
Unadjusted hourly production:
Materials consistency description:
Average push gradient:
Average site altitude:
Material weight:
Weight description:
Division of Reclamation, Mining & Safety
Cat Handbook
100 feet
852.6 LCY/hr
5%
6,800 feet
2,550 lbs/LCY
Earth - Dry backed
fill or embankment 0.9
Abbreviation: None
Filename: CO56 -001
CIRCES Cost Estimating Software