2015-10-26_REVISION - C1981008

• Permit No: C1981008
• IBM Index Class Name: Revision
• Doc Date: 10/26/2015
• Doc Name Note: 2015
• Doc Name: 2015 Midterm Review & Cost Estimate
• From: Jason Musick
• To: Brock Bowles
• Type & Sequence: MT7
• Email Name: BFB
• Email Name: JDM
• Media Type: D
• Archive: No

HOURLY PRODUCTION
Truck Capacity:
Truck Payload (weight) Basis:
Material weight: 2,900 Pounds/LCY
Description: Decomposed rock - 50% Rock, 50% Earth
Rated Payload: 122,520 Pounds
Payload Capacity: 42.25 LCY
Truck Bed (volume) Basis
Struck Volume:
35.00
LCY
Heaped Volume:
46.50
LCY
Average Volume:
40.75
LCY
Adjusted Volume:
42.25
LCY
Final Truck Volume Based on Number of Loader Passes: 40.48 LCY
Loading Tool Capacity
Bucket Size Class: NA
Rated Capacity:
9.200
Bucket Fill Factor:
1.100
Adjusted Capacity:
10.120
Job Condition Corrections:
(Cat HB)
Stockpile:
Truck
Altitude Adj:
1.000
Job Efficiency:
0.830
LCY (heaped)
Other - rock/dirt mixtures (100-120%) 1.100
LCY
Site Altitude (ft.): 5700 feet
Loader Source
1.000 (CAT HB)
0.830 (CAT HB)
Net Correction: 1 0.830 1 0.830
Loading Tool Cycle Time: Number of Loading Tool Passes Required to Fill
Truck:
Excavators and Front Shovels:
Machine Cycle Time vs. Job Condition Rating: NA
Selected Value within this Basic Rating: NA
Track Loaders — Material Description:
Cycle Time Elements (min.):
Load: NA Maneuver: NA
Dump: 0.100
4 passes
Wheel and Track Loaders - Unadjusted Basic Loader Cycle Time (load, dump, 0.575 minutes
maneuver):
Cycle Time Factors
Factor (min.)
Source
Material:
Material 3/4" to 6" diameter 0.00
0.000
(Cat HB)
Stockpile:
Conveyor or dozer piled 10 ft. high and up
0.000
(Cat HB)
0.00
Truck Ownership:
Common ownership of trucks and loaders -
-0.040
(Cat HB)
0.04
Operation:
Constant operation -0.04
-0.040
(Cat HB)
Dump Target:
Nominal target 0.00
0.000
(Cat HB)
Net Cycle Time Adjustment:
Adjusted Loader Cycle Time:
Net Load Time per Truck:
-0.080 minutes
0.495 minutes
1.585 minutes