2015-04-03_REVISION - C2009087

• Permit No: C2009087
• IBM Index Class Name: Revision
• Doc Date: 4/3/2015
• Doc Name: Adequacy Review No. 1
• From: DRMS
• To: Peabody Sage Creek Mining, LLC
• Type & Sequence: RN1
• Email Name: JLE
• Email Name: DIH
• Media Type: D
• Archive: No

Page 19 of 138
BULLDOZER WORK
Task description: Regrade Drill Pads COVll, CCU31, CCU47, CCU58, CCU67, CCU84,
Site: Peabody Sage Creek Mine Permit Action: RN1 -2015 Permit/Job #: C2009087
PROJECT IDENTIFICATION
Task #: 012
Date: 3/30/2015
User: JLE
State: Colorado
County: 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 -012
Total unit Cost/Hour: $222.73
Total Fleet Cost/Hour: $222.73
MATERIAL QUANTITIES
Initial Volume:
Swell factor:
Loose volume:
3,388
1.250
4,235 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell Cat Handbook
factor:
HOURLY PRODUCTION
Average push distance
Unadjusted hourly
production:
50 feet
1,400.0 LCY /hr
Materials consistency description: Compacted fill or embankment 0.9
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: 0.900 (CAT HB))
CIRCES Cost Estimating Software
Utilization %
Ownership Cost /Hour:
$69.05
NA
Operating Cost/Hour:
$10822
100
Ripper op. Cost/flour:
$7.46
100
Operator Cost/Hour:
$38.01
NA
Total unit Cost/Hour: $222.73
Total Fleet Cost/Hour: $222.73
MATERIAL QUANTITIES
Initial Volume:
Swell factor:
Loose volume:
3,388
1.250
4,235 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell Cat Handbook
factor:
HOURLY PRODUCTION
Average push distance
Unadjusted hourly
production:
50 feet
1,400.0 LCY /hr
Materials consistency description: Compacted fill or embankment 0.9
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: 0.900 (CAT HB))
CIRCES Cost Estimating Software