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 # 019 Page I of 2
BULLDOZER WORK
Task description: Regrade ditch DI Upper (00-57+74)
Site: Colowyo Coal Mine Permit Action: 13C Permit/Job#: C1981019
PROJECT IDENTIFICATION
Task#: 019
Date: 311512017
User: ZTT
State: Colorado
County: _ Moffat
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine:
Cat D_8_T_ - 8SU
Horsepower:
310
Blade Type:
Semi -Universal
Attachment:
NA
Shift Basis:
l per day
Data Source:
(CRG)
Cost Breakdown:
Abbreviation: None
Filename: C019-019
Total unit Cost/Hour: $191.83
Total Fleet Cost/Hour: $191.83
MATERIAL QUANTITIES
Initial Volume: 6,634
Swell factor: 1.000
Loose volume: 6,634 LCY
Source of estimated volume: Exhibit 7-23B Table 1, Ex. 7, Item 23 Fig. B- l
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:
0%
7,500 feet _
2,650 lbs/LCY
Weight description: Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Utilization %
Ownership Cost/Hour:
$83.81
NA
Operating Cost/Hour.
$66.17
I00
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
Initial Volume: 6,634
Swell factor: 1.000
Loose volume: 6,634 LCY
Source of estimated volume: Exhibit 7-23B Table 1, Ex. 7, Item 23 Fig. B- l
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:
0%
7,500 feet _
2,650 lbs/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:
GEN.
-.--1.000
Visibility:
0.800
POOR