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 # 021 Pagel of 2
BULLDOZER WORK
Task description: ge rade ditch D2
Site: Colowyo Coal Mine Permit Action: 13C
PROJECT IDENTIFICATION
Task #: 021 State: Colorado_
Date: 311512417 County: Moffat
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat DST - 8SU
Horsepower:
310
Blade Type:
_Semi -Universal
Attachment:
NA
Shift Basis:
. -1 per
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: $191.83
Total Fleet Cost/Hour: $191.83
Utilization %
$83.81 NA
$66.17 100
Permit/Job#: C 1981019
Abbreviation: None
Filename: CO 19-021
MATERIAL QUANTITIES
Initial Volume:
$4.00
NA
$4.00
4
$41.85
NA
Permit/Job#: C 1981019
Abbreviation: None
Filename: CO 19-021
MATERIAL QUANTITIES
Initial Volume:
3,154
Swell factor:
1.125
Loose volume:
3,544 LCY
Source of estimated volume: Exhibit 7-23B, Table 1, Exh. 7 -item 23, Fig. B-1
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: Compacted fill or embankment 0.9
Average push gradient:
Average site altitude:
Material weight:
-20%
_7,500 feet_
2,650 Ibs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Source
Operator Skill: _
0.750
AVG.
Material consistency:
0.900
CAT HB
Dozing method:
1.000
GEN.
Visibility:
1.000
(AVG.)