PERMFILE53051

• Permit No: C1983059A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 10 BOND CALCULATIONS
• Media Type: D
• Archive: Yes

HOURLY PRODUCTION:
Scraper Cycle Time
Load - 4111142" min
Maneuver & spread = 0.7 min.
Travel time (haul & return):
Job Condition Correction Factors
Site altitude = 5800 ft.
Alt. adjustment .. 1
Job efficiency ... 0.83 (lsh/d;
Net Correction 0.83
kiaul route
Road Length Grade Rolling Total Velocity Travel time*
seg. # (ft) res.(%) res.(%) res.(%) {fpm) (min)
1 500 2.00 5.00 7.00 936 0.66
Haul time = 0.66 min.
Return route "`" " "`"""
1 50U -2.00 5.00 3.00 2882 0.40
*lst & last seg. adj. for accel./decel. Return time = 0.40
Total Cycle Time = 2.96 min.
Machine"Payload
Material Height = 2650.00 lbs/LC]'
Mat. description """""""
Decomposed rock- 25% Rock, 75% Earth
Rated payload = 75,000 lbs.
Payload volume = 28.30 LC ]'
min.
Machine"Volume
Struck capacity =
Heaped capacity =
Average =
Adjusted volume =
Unadjusted production per scraper or push-pull pair
Adjusted production
Adjusted hourly fleet. production
21.00
31.00
--
26.00 LG]'
26.00 LC]'
' JO8 COST:
Fleet size 1 Scraper(s) Total Job Time
Unit Cost X0.504 /LCY Total Job Cost.
527.11 LC ]'/hr
437.50 LC]'/hr
437.50 LC ]'/hr
11.01 Hours
X2,426