2008-08-06_PERMIT FILE - M2008006

• Permit No: M2008006
• IBM Index Class Name: PERMIT FILE
• Doc Date: 8/6/2008
• Doc Name: Second Adequacy Review
• From: DRMS
• To: Connell Resources, Inc.
• Email Name: PSH
• Media Type: D
• Archive: No

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HOURLY PRODUCTION sheet 2 of 2
Hauling Capacity :
Basis :
Bowl (volume) Basis :
Material weight : 2,550 pounds/LCY Struck volume : 15.70 LCY
Material description : Heaped volume : 21.00 LCY
Earth - Dry packed Average volume : 18.35 LCY
Rated payload : 48,000 pounds Adjusted capacity : 18.35 LCY ***
Payload capacity : 18.82 LCY '*• hourly production reflects volume per scraper pair on push-pull models
Cycle Time : Job Condition Corrections : Site altitude (ft.) : 6,000
Scraper Push dozer Source
Scraper loading time 1.50 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
Travel time :
Road condition description :Rutted dirt, little maintenance, no water, 2" tire penetration
Haul Route :
Seg. # Haul distance (feet) Grade (%) Roll. res. (%) Total res. (%) Velocity (fpm) Travel time (min.)**
1 600 0.00 5.00 5.00 2218 0.45
2 300 0.00 5.00 5.00 2218 0.14

Haul time : 0.58 minutes
Return route
1 300 0.00 5.00 5.00 2814 0.26
2 600 0.00 5.00 5.00 2814 0.21

•' travel time for each segment is adjusted for acceleration/deceleration. Return time : 0.47 minutes
table velocities are max. attainable per total resistance shown, not average
Total scraper team cycle time (load + haul + maneuver and spread + return) : 3.15 minutes
Unadjusted unit production/hour : 349.61 LCY/hour *** Adjusted for job conditions : 290.18 LCY/hour
Optimal number of scrapers per push dozer : NA Selected number of scrapers : 1 scraper(s)
Adjusted single scraper team (unit) hourly production : 290.18 LCY/hour
Adjusted multiple scraper team (fleet) hourly production : 290.18 LCY/hour