2009-06-18_PERMIT FILE - C1981018A

• Permit No: C1981018A
• IBM Index Class Name: Permit File
• Doc Date: 6/18/2009
• Doc Name: Reclamation Cost Estimate
• Section_Exhibit Name: Illustration 47
• Media Type: D
• Archive: Yes

HOURLY PRODUCTION
. Hauling Capacity
Scraper Payload (weight) Basis :
Material weight : 2,743 pounds/LCY
Material description :
USER-PROVIDED WEIGHT DATA
_ Rated payload : 75,000 pounds
Payload capacity: 27.34 LCY
A
Travel time :
Road condition description :Firm, smooth, rolling, dirt/lt. surfaced, watered, maintained
Haul Route :
sheet 2 of 2
Scraper Bowl (volume) Basis :
Struck volume : 24.00 LCY
Heaped volume : 34.00 LCY
Average volume : 29.00 LCY
Adjusted capacity: 27.34 LCY ***
` hourly production reflects volume per scraper pair on push-pull models
Cycle Time : Job Condition Corrections : Site altitude ft) : 5,300
Scraper Push dozer Source
Scraper loading time 1.00 minutes Altitude adj.: 1.000 NA (Cat HB) _
Maneuver and spread time : 0.60 minutes Job efficiency : 0.830 NA (Cat HB)
` load time per scraper pair on push-pull models Net correction : 0.830 NA
Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)**
1 1,000 3.00 3.00 6.00 1477 0.76

Haul time : 0.76 minutes
Return route :
" travel time for each segment is adjusted for acceleration/deceleration, Return time : 0.45 minutes
table velocities are max. attainable per total resistance shown, not average
Total scraper team cycle time (load + haul + maneuver and spread + return) : 2.81 minutes
Unadjusted unit production/hour : 1,166.82 LCY/hour *** Adjusted for job conditions : 968.46 LCY/hour
Optimal number of scrapers per push dozer : NA Selected number of scrapers : 2 scraper(s)
Adjusted single scraper team (unit) hourly production : 968.46 LCY/hour
Adjusted multiple scraper team (fleet) hourly production : 2,905.37 LCY/hour

JOB TIME AND COST
• Fleet size : 3 Team(s) Total job time :
64.18
Hours
Unit cost : $0.647 /LCY Total job cost : $120,607