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 # 022 Page 1 of 2
BULLDOZER WORK
Task description: Regrade ditch D3
Site: Colowyo Coal Mine Permit Action: 13C
PROJECT IDENTIFICATION
Task #: 022 State: Colorado
Date: 3/15/2017 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:
1 per day
Data Source:
(CRG)
Cost Breakdown:
_ _A{ VG.)
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:
Utilization %
$83.81 NA
$46.32 70
Permit/Job#: C1981019
Abbreviation: None
Filename: CO 19-022
$0.00
NA
$0.00
0
$41.85
NA
$171.97
171.97
MATERIAL QUANTITIES
Initial Volume:
3,814
Swell factor:
1.000
Loose volume:
3,814 LCY
Source of estimated volume: Exhibit 7-2313, Table 1, Exh. 7 -item 23, Fig. B-1
Source of estimated swell factor: Cat Handbook
HOURLY PRODUCTION
Average push distance: 50 feet
Unadjusted hourly production: 1,400.0 LCY/hr
Materials consistency description: Compacted fill or embankment 0.9
Average push gradient:
Average site altitude:
Material weight:
-20%
7,500 feet
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Source
Operator SHI:
0.750
--
Material consistency:
0.900
CAT HB
Dozing method:
1.200
S -BY -S
_
Visibility: _
1.000
_ _A{ VG.)