2013-02-25_REVISION - C2009087

• Permit No: C2009087
• IBM Index Class Name: Revision
• Doc Date: 2/25/2013
• Doc Name: Midterm Review
• From: DRMS
• To: Peabody Sage Creek Mining, LLC
• Type & Sequence: MT1
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

BULLDOZER WORK
Task description: Regrade Cut Material Over covered Storage Pad Area
Site: Peabody Sage Creek Mine Permit Action: 2013 Midterm Review Permit/Job #: C2009087
PROJECT IDENTIFICATION
Task #: 011 State
Date: 2/4/2013 County
User: JDM
Colorado
Routt
Agency or organization name: DRMS
HOURLY EQUIPMENT 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
Abbreviation: None
Filename: C087 -011
Total unit Cost/Hour: $204.45
Total Fleet Cost/Hour: $204.45
MATERIAL QUANTITIES
(AVG.)
Utilization %
Ownership Cost/Hour:
$63.00
NA
Operating Cost/Hour:
$104.03
100
Ripper op. Cost/Hour:
$0.00
0
Operator Cost/Hour:
$37.41
NA
Total unit Cost/Hour: $204.45
Total Fleet Cost/Hour: $204.45
MATERIAL QUANTITIES
(AVG.)
Initial Volume:
2,500
Swell factor:
1.125
Loose volume:
2,813 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Average push distance: 100 feet
Unadjusted hourly production: 852.6 LCY/hr
Materials consistency description: Partly consolidated stockpile 1.1
Average push gradient:
Average site altitude:
Material weight:
0%
6,800 feet
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor Source
Operator Skill: 0.750
(AVG.)
Material consistency: 1.100
(CAT HB)
Dozing method: 1.000
(GEN.)
Visibility: 1.000
(AVG.)