2017-11-07_REVISION - C1981019 ‎(8)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 11/7/2017
• Doc Name: Adequacy Review
• From: DRMS
• To: Colowyo Coal Company LP
• Type & Sequence: TR114
• Email Name: ZTT
• Email Name: JRS
• Media Type: D
• Archive: No

Bulldozer Worksheet Cont'd
Task tt 001
BULLDOZER WORK
Task description: Regrade ditch CWD-5— _��
Site: ColoHyo Coal Mine Permit Action: TR114
PROJECT IDENTIFICATION
Task #: 001 State: Colorado
Date: 11/7/2017 County: Moffat
User: ZTT _.
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat D8T - 8SU
Horsepower:
_310
Blade Type:
Semi -Universal
Attachment:
NA
Shift Basis:
mer
Data Source:
t CRG s
Cost Breakdown:
_ 0
Page] of 2
Permit/Job#: C1981019
Abbreviation: None
Filename: C019-001
Total unit Cost/Hour: $191.83
Total Fleet Cost/Hour: $191.83
MATERIAL QUANTITIES
Source
Utilization %
Ownership Cost/Hour:
$83.81 __
NA
Operating Cost/Hour:
$66.17
100
Ripper own. Cost/Hour:
_ $0.00
NA
Ripper op. Cost/Hour:
$0.00
_ 0
Operator Cost/Hour:
$41.85
NA
Total unit Cost/Hour: $191.83
Total Fleet Cost/Hour: $191.83
MATERIAL QUANTITIES
Source
Initial Volume:
800
Swell factor:
1.215
Loose volume:
972 LCY
Visibility: 1.000
Source of estimated volume: Exhibit 1313-T-21. Tab -le 8
Source of estimated swell factor. – Cat Handbook
HOURLY PRODUCTION
Average push distance:
Unadjusted hourly production:
50 feet__ _
1,400.0 LCY/hr
Materials consistency description: Co acted fill or embankment 0.9
Average push gradient: 0%
Average site altitude: 7,500 feet
Material weight: 3,300 lbs/LCY
Weight description: Decomposed rock - 75% Rock, 25% Earth
Job Condition Correction Factor
Source
Operator Skill: 0.750
(AVG.)
Material consistency: 0.900
_
(CAT HBA
Dozing method: 1.000
(GEN.)
Visibility: 1.000
________(AV gj _ __