2013-10-08_REVISION - C1982056

• Permit No: C1982056
• IBM Index Class Name: Revision
• Doc Date: 10/8/2013
• Doc Name: Adequacy Review and Cost Estimate
• From: DRMS
• To: Twentymile Coal, LLC
• Type & Sequence: MR267
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

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BULLDOZER WORK
Task description: Backfill and Regrade Mud Pits
Site: Foidel Creek Mine Permit Action: MR267 Permit/Job #: C1982056
PROJECT IDENTIFICATION
Task #: 002
Date: 10/7/2013
User: JDM
State:
County:
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:
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper op. Cost/Hour:
Operator Cost/Hour:
Total unit Cost/Hour:
Total Fleet Cost/Hour:
Utilization %
$63.00 NA
$104.03 100
$0.00 0
$37.41 NA
$204.45
$204.45
MATERIAL QUANTITIES
Initial Volume: 1,161
Swell factor: 1.125
Loose volume: 1,306 LCY
Source of estimated volume: Division of Reclamation, Mining & Safety
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Average push distance:
Unadjusted hourly production:
50 feet
1,400.0 LCY/hr
Materials consistency description: Consolidated stockpile 1.0
Average push gradient:
Average site altitude:
Material weight:
0%
6,800 feet
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Abbreviation: None
Filename: C056 -002
Job Condition Correction Factor
Source
Operator Skill: 0.900
(AB.AVG.)
Material consistency: 1.000
(CAT HB)
Dozing method: 1.000
(GEN.)
Visibility: 1.000
(AVG.)
CIRCES Cost Estimating Software