2017-03-16_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 3/16/2017
• Doc Name: Adequacy Review #2
• From: DRMS
• To: Colowyo Coal Company
• Type & Sequence: TR110
• Email Name: ZTT
• Email Name: JRS
• Media Type: D
• Archive: No

Bulldozer Worksheet Cont'd Task # 009 Page] of 2
BULLDOZER WORK
Task description: Regrade Collom Facility Area
Site: Colowyo Coal Mine Permit Action: 13C
PROJECT IDENTIFICATION
Task #: 009 State: Colorado
Date: 3/I5/2017 County: Moffat
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat DI IT - 11 U
Horsepower:
850
Blade Type:
Universal
Attachment:
1 -shank ripper
Shift Basis:
1 per day
Data Source:
_
(CRG)
Cost Breakdown:
AVG.)
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper own. Cost/Hour:
Ripper op. Cost/Hour:
Operator Cost/Hour:
Total unit Cost/Hour:
Total Fleet Cost/Hour:
$473.67
$1,894.66
Utilization %
$226.13
NA
$183.90
100
$21.79
NA
$0.00
0
$41.85
NA
Per nit/Job#: C1981019
Abbreviation: None
Filename: C019-009
MATERIAL QUANTITIES
Initial Volume:
1,226,700
Swell factor:
1.250
Loose volume:
1,533,375 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: 2,870.3 LCY/hr
Materials consistency description: Loose stockpile 1.2
Average push gradient:
Average site altitude:
Material weight:
25%
7,600 feet
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Source
Operator Skill:
0.900J
AB.AVG. _ ___
Material consistency:
1.200
CAT HB
Dozing method:
1.000
GEN.
Visibility: _
1.000
AVG.)