2013-12-09_REVISION - C1982056

• Permit No: C1982056
• IBM Index Class Name: Revision
• Doc Date: 12/9/2013
• Doc Name: Adequacy Review Letter & Cost Estimate
• From: DRMS
• To: Twentymile Coal Company
• Type & Sequence: MR270
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

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BULLDOZER WORK
Task description: Regrade Drill Pad, Mud Pits, and Pipeline Corridor
Site: Foidel Creek Mine Permit Action: MR270 Permit/Job #: C1982056
PROJECT IDENTIFICATION
Task #: 002
Date: 12/9/2013
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: 4,235
Swell factor: 1.250
Loose volume: 5,294 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:
75 feet
1,017.1 LCY/hr
Materials consistency description: Compacted fill or embankment 0.9
Average push gradient
Average site altitude:
Material weight:
Weight description:
0%
6.700 feet
2,650 lbs/LCY
rock - 25% Rock, 75% Earth
Job Condition Correction Factor Source
Abbreviation: None
Filename: C056 -002
Operator Skill: 0.900
(AB.AVG.)
Material consistency: 0.900
(CAT HB))
Dozing method: 1.000
(GEN.)
Visibility: 1.000
(AVG.)
CIRCES Cost Estimating Software