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 RIPPING WORK
Task description: Rip 29,458' of Collom Haul Road
Site: Colowyo Coal Mine Permit Action: 13C Permit/Job#: C1981019
Seismic:
Area:
PROJECT IDENTIFICATION
Task #: 003 State: Colorado
Date: 3/15/2017 County: Moffat
User: ZTT
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: OBSOLETE - Cat DI IR -
11 SU
Ripper Attachment: 1 -Shank Ripper
Cost Breakdown:
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper Ownership Cost/Hour:
Ripper Operating Cost/Hour:
Operator Cost/Hour:
Total Unit Cost/Hour:
Total Fleet Cost/Hour:
MATERIAL QUANTITIES
Alternate Methods:
Abbreviation: None
Filename: C019-003
Horsepower:
850
Shift Basis:
I per day
Data Source:
(CRG)
Utilization %
$220.12 NA
$235.69 100
$21.79 NA
$11.30 100
$41.85 NA
$530.75
$1,061.49
Selected estimating method: Area
NA Bank Volume: NA
18.90 acres Rip Depth (ft): 1.50
Source of estimated quantity: Table 7 Exh. 13B -T-20
HOURLY PRODUCTION
Seismic:
Area -
Seismic Velocity:
Average Ripping Depth:
Average Ripping Width:
Average Ripping Length:
Average Dozer Speed:
Average Maneuver Time:
Production per unit area:
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
Site Altitude:
Altitude Adj:
Job Efficiency:
Net Correction:
BCY NA
Volume: 45,738 BCV or CCY
NA
feet/second
7,500
3.00
mph
7.94
degrees
300.00
88.00
Selected estimating method: Area
NA Bank Volume: NA
18.90 acres Rip Depth (ft): 1.50
Source of estimated quantity: Table 7 Exh. 13B -T-20
HOURLY PRODUCTION
Seismic:
Area -
Seismic Velocity:
Average Ripping Depth:
Average Ripping Width:
Average Ripping Length:
Average Dozer Speed:
Average Maneuver Time:
Production per unit area:
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
Site Altitude:
Altitude Adj:
Job Efficiency:
Net Correction:
BCY NA
Volume: 45,738 BCV or CCY
NA
feet/second
7,500
3.00
mph
7.94
degrees
300.00
feet
88.00
feet
0.25
feet
0.897
acres/hour
0.897
Acres/hr
7,500
feet
I.00
(CAT HB)
0.83
(1 shift/day)
0.83
multiplier
Adjusted Hourly Unit Production: 0.74 Acres/hr
Adjusted Hourly Fleet Production: 1.49 Acres/hr
JOB TIME AND COST
Fleet size: 2 Grader(s) Total job time: 12.70
Unit cost: $713.149 Per acre Total job cost: $13478
Hours
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