2016-12-28_REVISION - C1981008

• Permit No: C1981008
• IBM Index Class Name: Revision
• Doc Date: 12/28/2016
• Doc Name: Memo /Cost Estimate
• From: Jason Musick
• To: Brock Bowles
• Type & Sequence: SL18
• Email Name: BFB
• Email Name: DIH
• Email Name: JDM
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip BB Detour Rd Topsoil -Slash M
Site: New Horizon Mine Permit Action: SL18 Permit/Job#: C1981008
PROJECT IDENTIFICATION
Task #: 81B State: Colorado Abbreviation: None
Date: 12/28/2016 County: Montrose Filename: C008 -81B
User: JDM
Agency or organization name: Colorado Division of Reclamation, Mining and Safety
HOURLY EQUIPMENT COST
Basic Machine: Cat D9T - 9SU Horsepower: 405
Ripper Attachment: 1 -Shank Ripper Shift Basis: I per day
Data Source: (CRG)
Cost Breakdown:
$97.48
Utilization %
NA
$103.60
100
$12.31
NA
$7.10
100
$38.89
NA
Ownership Cost/Hour:
NA
Operating Cost/Hour:
Area:
Ripper Ownership Cost/Hour:
Ripper Operating Cost/Hour:
3.00
Operator Cost/Hour:
Average Ripping Width:
Total Unit Cost/Hour:
$259.38
Total Fleet Cost/Hour: $259.38
MATERIAL QUANTITIES
Alternate Methods:
Selected estimating method: Area
Seismic: NA Bank Volume:
Area: 1.50 acres Rip Depth (ft):
Source of estimated quantity: Opera
HOURLY PRODUCTION
Seismic:
NA
3.00
estimate
BCY NA
Volume: 7,260 BCY or CCY
Seismic Velocity:
NA
feet/second
Area:
Average Ripping Depth:
3.00
mph
Average Ripping Width:
6.08
degrees
Average Ripping Length:
150.00
feet
Average Dozer Speed:
88.00
feet
Average Maneuver Time:
0.25
feet
Production per unit area:
0.643
acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production:
0.643
Acres/hr
Site Altitude:
5,700
feet
Altitude Adj:
1.00
(CAT HB)
Job Efficiency:
0.83
(1 shift/day)
Net Correction:
0.83
multiplier
Adjusted Hourly Unit Production:
0.53
Acres/hr
Adjusted Hourly Fleet Production:
0.53
Acres/hr