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 # 021 Page 1 of 2
BULLDOZER WORK
Task description: REgrade ditch D2
Site: Colowy_oCoal Mine
PROJECT IDENTIFICATION
Task #: 021
Date: 311512017
User: ZTT
Permit Action: 13C
State: Colorado
County: Moffat
Agency or organization name: DRMS {,
HOURLY EQUIPMENT COST
Basic Machine:
Horsepower:
Blade Type:
Attachment:
Shift Basis:
Data Source:
Cost Breakdown:
Cat D8T - 8SU
310
Semi -Universal
NA
1 per day
_(CRG) ._
Ownership Cost/Hour;
Operating Cost/Hour.
Ripper own. Cost/Hour:
Ripper op. Cost/Hour.
Operator Cost/Hour:
Total unit Cost/Houn
Total Fleet Cost/Hour:
Permit/Job#: C1981019
Abbreviation: None
Filename: CO 19-021
$ I91.83
$191.83
MATERIAL UANTITIES
Initial Volume:
Swell factor:
Loose volume:
3,150
1.125
3,544 LCY
Source of estimated volume: Exhibit 7-23B, Table 1, Exh. 7 -item 23, Fig. B-1
Source of estimated sweII 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:
Weight description:
-20%
7,500 feet
2,650lbs/LCY
Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Utilization %
$83.81
0.750
NA
$66.17
0.900
100
$0.00
NA
$0.00
0
$41.85
NA
$ I91.83
$191.83
MATERIAL UANTITIES
Initial Volume:
Swell factor:
Loose volume:
3,150
1.125
3,544 LCY
Source of estimated volume: Exhibit 7-23B, Table 1, Exh. 7 -item 23, Fig. B-1
Source of estimated sweII 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:
Weight description:
-20%
7,500 feet
2,650lbs/LCY
Decomposed rock - 25% Rock, 75% Earth
Job Condition Correction Factor
Source
Operator Skill:
0.750
AVG.
Material consistency:
0.900
CAT
Dozing method:
1.000
GEN.
Visibility:
1.000
AVG.