2017-10-20_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 10/20/2017
• Doc Name: Adequacy Review
• From: DRMS
• To: Colowyo Coal Company LP
• Type & Sequence: TR115
• Email Name: ZTT
• Email Name: JRS
• Media Type: D
• Archive: No

Bulldozer Worksheet Cont'd Task # 001 Page 1 of 2
BULLDOZER WORK
Task description: Regrade Topsoil for Taylor Creek Pipe Crossing
Site: Colowya Coal Mine Permit Action: TR 115 Permit/Job#: C1981019
PROJECT IDENTIFICATION
Task #: 001 State: Colorado Abbreviation: None
Date: 10/20/2017 County: Moffat Filename: CO 19-001
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat DI IT - I IU
Horsepower:
850
Blade Type:
Universal
Attachment:
1 -shank ripper
Shift Basis:
1 per day
Data Source:
CRG
Cost Breakdown.
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:
MATERIAL QUANTITIES
Utilization %
$226.13
Swell factor:
NA
$183.90
3,993 LCY
_ 100
—NA --
$21.79 --
1.000
GENS
$11.30
1.000
100
$41.85
NA
_$_484.97
$484.97
MATERIAL QUANTITIES
Initial Volume:
3,993
Swell factor:
1.000
Loose volume:
3,993 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:
100 feet
2,870.3 LCY/hr
Materials consistency description: Consolidated stockpile 1.0
Average push gradient:
Average site altitude:
Material weight:
Weight description:
5%
7,600feet-
1,600 lbs/LCY
Tot) Soil
Job Condition Correction Factor
Source
Operator Skill:
0.900
AB.AVG.
Material consistency:
1.000
CAT HB
Dozing method:
1.000
GENS
Visibility:
1.000
AVG.