2011-11-23_REVISION - M1983194

• Permit No: M1983194
• IBM Index Class Name: REVISION
• Doc Date: 11/23/2011
• Doc Name: FW increase SI-02
• From: DRMS
• To: Natural Soda, Inc.
• Type & Sequence: SI2
• Email Name: THM
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip 18.7 acres of road and compacted areas
Site: Nahcolite Project Permit Action: SR -02 Permit/Job #: M1983194
PROJECT IDENTIFICATION
Task #: 09A State: Colorado Abbreviation: None
Date: 11/22/2011 County: Rio Blanco Filename: M194 -09a
User: THM
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Area:
Basic Machine: Cat D8T - 8SU
Ripper Attachment: 3 -Shank Ripper
Cost Breakdown:
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper Operating Cost/Hour:
Operator Cost/Hour:
Total Unit Cost/Hour:
Seismic Velocity:
Average Ripping Depth:
Average Ripping Width:
Average Ripping Length:
Average Dozer Speed:
Average Maneuver Time:
Production per unit area:
$65.28
$102.81
$6.49
$38.49
$213.07
Total Fleet Cost/Hour: $426.14
MATERIAL QUANTITIES Selected estimating method: Area
Alternate Methods:
Seismic: NA Bank Volume: NA BCY NA
Horsepower: 310
Shift Basis: 1 per day
Data Source: (CRG)
Source of estimated quantity: Staff Estimate
HOURLY PRODUCTION
Seismic:
Utilization %
NA
100
100
NA
Area: 19 acres Rip Depth (ft): 2.00 Volume: 60,339 BCY or CCY
NA feet/second
2.56 mph
7.08 degrees
300.00 feet
88.00 feet
0.25 feet
0.800 acres/hour
Job Condition Correction Factors
Unadjusted Hourly Unit Production: 0.800 Acres/hr
Site Altitude: 6,600 feet
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Adjusted Hourly Unit Production: 0.66 Acres/hr
Adjusted Hourly Fleet Production: 1.33 Acres/hr
JOB TIME AND COST
Fleet size: 2 Ripper(s) Total job time: 14.09 Hours
Unit cost: $321.070 Per acre Total job cost: $6,004.00
CIRCES Cost Estimating Software