2011-08-29_PERMIT FILE - C1983059 ‎(2)‎

• Permit No: C1983059
• IBM Index Class Name: Permit File
• Doc Date: 8/29/2011
• Doc Name: Bond Calculations Exhibit 10
• Section_Exhibit Name: Exhibit 10 Bond Calculations
• Media Type: D
• Archive: No

Scraper Worksheet Cont'd Task # 011 Page 2 of 2
Cycle Time:
Scraper Loading Time:
Maneuver and Spread Time:
Job Condition Correction:
0.90 Minutes
0.70 Minutes
Site Altitude: 5800 feet
Net Correction: I 0.830 NA
Travel Time:
Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0
Haul Route:
Seg #
Scraper
Push Dozer
Source
Altitude Ad':
1.000
NA
CAT HB
Job Efficiency:
0.830
NA
CAT HB
Site Altitude: 5800 feet
Net Correction: I 0.830 NA
Travel Time:
Road Condition: Rutted dirt, little maintenance, no water, 1" tire penetration 4.0
Haul Route:
Seg #
Haul Distance (Ft)
Grade
%)
Roll. Res
%)
Total Res
( %)
Velocity (fpm)
Travel Time
(min)
1
500.00
2.00
4.00
6.00
1204
0.49
Haul Time: 0.49 minutes
Return Route:
Seg #
Haul Distance (Ft)
Grade
( %)
Roll. Res
%)
Total Res
( %)
Velocity (fpm)
Travel Time
(min)
1
500.00
-2.00
4.00
2.00
2898
0.34
Return Time:
0.34
minutes
Total Scraper team cycle time:
2.43
minutes
Adjusted for job conditions:
385.77
LCY/Hour
Selected Number of Scrapers:
1
Scraper(s)
Adjusted single scraper team (unit) hourly production:
385.77
LCY/Hour
Adjusted multiple scraper team (fleet) hourly production:
385.77
LCY/Hour
Unadjusted unit production/hour: 464.78 LCY /Hour
Optimal Number of Scrapers per push dozer:
JOB TIME AND COST
Fleet size: 1 Team(s) Total job time: 15.29 Hours
Unit cost: $0.422 /LCY Total job cost: $2,490.90
CIRCES Cost Estimating Software