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 # 0I0
BULLDOZER WORK
Task description: _ Regrade Tqsoil at Collom Facili_ty..Area
Site: Colowyo Coal Mine Permit Action; 13C
PROJECT IDENTIFICATION
Task #: 010 State, Colorado
Date: 3/1512017 County: Moffat _
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat DI IT - 1 IU
Horsepower:
850
Blade Type:
Universal
Attachment:
1 -shank ripper
Shift Basis:
1 per day
Data Source:
(CRG)
Cost Breakdowt!-
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
$ 1894.66
MATERIAL QUANTITIES
Utilization %
$226.13
NA
$183.90
100
$21.79
NA
$0.00
0
$41.85
NA
Initial Volume: 247,278
Swell factor: 1.250
Loose volume: 309,098 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: 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
Page I of 2
Permit/Job#: CI981019
Abbreviation: None
Filename: C019-010
Job Condition Correction Factor
Source
Operator Skill:
0.900
AB.AVG.
Material consistency:
1.200
SAT HB)
Dozing method:
_
1.660
_
GEN.
Visibility:
1.000
AVG.