2007-07-30_PERMIT FILE - C1981008A ‎(2)‎

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 7/30/2007
• Doc Name: New Horizon Mine 2 Reclamation Bond Calculation
• Section_Exhibit Name: Section 3.02.2 Attachment 3.02.2-2
• Media Type: D
• Archive: Yes

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HOURLY PRODUCTION sheet 2 of Z
Haulin Ca aci _
Scraper Payload (weight) Basis : ~ Scraper Bowl (volume) Basis
Matedal weight : 2,100 pounds/LCY
Material description
Earth -Loam
JSNCK VOIUmB: Z4.(/(/ LGY
Heaped volume : 34.00 LCY
Average volume : 29.00 LCY
Adjusted capadry : 29.00 LCY ••'
Rated payload : 75,000 pounds
Payload capacity : 35.71 LCY
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Koury Productim relleets vdume per smaper pair on puaft-putl m°dela
Cvele Time : ob ConditYon Correctio s : Site altRude (ft.) : 5,700
Scraper Push dozer Source
Scraper loading time' : 0.60 minutes Althude adj. • 1.000 1.000 (Cat HB)
Maneuver and spread time : 0.70 minutes Job efficiency : 0.830 0.830 (Cat HB)
• load time per scraper pair on push-pull models Net correction : 0.830 0.830
Travel time
Road condition description :Firm, smooth, rolling, dirtpt. surtaced, watemd, maintained
Haul Route
Seg. # Haul distance (feet) Grade (%) Roll. res. (°h) Total res. (%) Velocity (fpm) Travel time (min.)••
1 400 0.00 3.00 3.00 2227 0.41

Haul time : 0.41 minutes
Return route
-- save erne ror earn aeBmem .s as}uamd ror acceierauorveeceleration. Return time : 0.36 minutes
rase vebGtlea are maa. anairewe Per taxi msistance snam, rat averege
Total scraper team cycle time (load + haul + maneuver and spread + return) : 2.07 minutes
Unadjusted unit production hour ; 839.27 LCY/hour ••• Adjusted for job conditions : 696.59 LCY/hour
Optimal number of scrapers per push dozer : 2 Selected number of scrapers : 2 scraper(s)
Adjusted single scraper team (unit) houdy protluGion : 1,393.18 LCYlhour
Adjusted multiple scraper team (fleet) hourly production : 1,393.18 LCYRtour
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JOB TIME AND COST . ..».u[ .
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Fleet size : 1 Team(s) Total job time : 11.44 Hours
UnR cost : 50.418 /LCY Total job cost : $6,655
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(Revised 2 4May07) Attachment 3.02.2-2-42