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 # 005 Page 1 of 2
BULLDOZER WORK
Task description: Regrade Collom Haul Road
Site: Colowyo Coal Mine Permit Action. 13C Permit/Job#: C1981019
PROJECT IDENTIFICATION
Task #:
005
Date:
3/15/2017
User:
ZTT
State: Colorado
County: Moffat
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: $473.67
Total Fleet Cost/Hour: $1,894.66
Utilization %
$226.13 NA
$183.90 100
$21.79 NA
$0.00 0
$41.85 1 NA
Abbreviation: _ _ None
Filename: C019-005
MATERIAL QUANTITIES
Initial Volume:
1,116,301
Swell factor:
1.250
Loose volume:
1,395,376 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: Dry, non -cohesive 0.8
Average push gradient:
Average site altitude:
Material weight:
5%
7,600 feet
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Source
Operator Skill:
0.900
AB.AVG.
Material consistency:
0.800
CAT HB
Dozing method:
1.000
GEN.
Visibility:
1.000
AVG.