2018-01-11_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 1/11/2018
• Doc Name: Adequacy Review - Preliminary
• From: DRMS
• To: Colowyo Coal Company
• Type & Sequence: RN7
• Email Name: ZTT
• Media Type: D
• Archive: No

Bulldozer Worksheet Cont'd Task # 007 Page 1 of 2
BULLDOZER WORK
Task description: Regrade Topsoil for Collom Haul Road
Site: Colowyo Coal Mine Permit Action: 13C
PROJECT IDENTIFICATION
Task #: _007 State: Colorado
Date: 3!15/2017 County, Moffat
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat DI IT -IIU
Horsepower:
850
Blade Type:
Universal
Attachment:
I -shank ri er
Shift Basis:
1 per day
Data Source:
(CRG)
Cost Breakdown:
_
(GEN.)
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper own. Cost/Hour;
Ripper op. Cost/Hour;
Operator Cost/Hour:
Total unit Cost/Hour.
Total FIeet Cost/Hour:
$473.67
$1,899.66
Utilization %
$226.13 1 NA
$183,90
$21.79
$0.00
$41,85
100
NA
0
NA
Permit/Job#: C1981019
Abbreviation: None
Filename: C019-007
MATERIAL QUANTITIES
packed
Initial Volume:
383,107
Swell factor:
1.000
Loose volume:
383,107 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:
5%
7,600 feet ,
2,550 Ibs/LCY
Weight description: Earth - Dry
packed
Job Condition Correction Factor
Source
Operator Skill:
0.900
AB.AVG.
Material consistency:
1.200
JCAT HB)
Dozing method:
1.000
_
(GEN.)
Visibility:
_
1.000
AVG.