2011-10-19_REVISION - M2009048

• Permit No: M2009048
• IBM Index Class Name: REVISION
• Doc Date: 10/19/2011
• Doc Name: Acreage reduction approval ‎(AR-01)‎
• From: DRMS
• To: Grand Junction Concrete Pipe Co.
• Type & Sequence: AR1
• Email Name: THM
• Media Type: D
• Archive: No

BULLDOZER RIPPING WORK
Task description: Rip 7.9 acres of compacted area in Pit 1
Site: Gunnison River Gravel Pits Permit Action: AR - 01 Permit/Job #: M2009048
PROJECT IDENTIFICATION
Task #: 02A
Date: 10/19/2011
User: THM
County: Mesa
Agency or organization name: DRMS
HOURLY EQUIPMENT COST
Basic Machine: Cat D7R DS Series II LGP
Ripper Attachment: 3 -Shank Ripper
Cost Breakdown:
Ownership Cost/Hour:
Operating Cost/Hour:
Ripper Operating Cost/Hour:
Operator Cost/Hour:
Total Unit Cost/Hour:
State: Colorado
$46.30
$ 84.27
$0.00
$38.49
$169.05
Abbreviation: None
Filename: M048 -02a
Horsepower: 238
Shift Basis: 1 per day
Data Source: (CRG)
Utilization %
NA
100
100
NA
Total Fleet Cost/Hour: $169.05
MATERIAL QUANTITIES
Alternate Methods:
Seismic: NA Bank Volume: NA BCY NA
Average Ripping Depth:
Average Ripping Width:
Average Ripping Length:
Average Dozer Speed:
Average Maneuver Time:
Production per unit area:
Job Condition Correction Factors
Seismic Velocity:
Area: 8 acres Rip Depth (ft): 1.50 Volume: 19,118 BCY or CCY
Source of estimated quantity: Reclamation Map and Plan
HOURLY PRODUCTION
Seismic:
Area:
Selected estimating method: Area
NA feet/second
2.45 mph
6.50 degrees
300.00 feet
88.00 feet
0.25 feet
0.734 acres/hour
Unadjusted Hourly Unit Production: 0.734 Acres /hr
Site Altitude: 4,670 feet
Altitude Adj: 1.00 (CAT HB)
Job Efficiency: 0.83 (1 shift/day)
Net Correction: 0.83 multiplier
Adjusted Hourly Unit Production: 0.61 Acres/hr
Adjusted Hourly Fleet Production: 0.61 Acres/hr
JOB TIME AND COST
Fleet size: 1 Grader(s) Total job time: 12.97 Hours
Unit cost: $277.468 Per acre
Total job cost: $2,192.00
CIRCES Cost Estimating Software