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Henderson Mine Site

Henderson Mine Site. Henderson Mine. Shaft Collar Elev 10,400 ft. Harrison Mt. Elev. 12,300 ft. Shaft Bottom Elev 7,500 ft. LA Ramp. Exhaust air. Fresh air. To crusher. Primary Access Ramp 3600 ft. Secondary Access Ramp 3200 ft. Central Campus Elev. 6,750 ft (4200 mwe).

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Henderson Mine Site

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  1. Henderson Mine Site

  2. Henderson Mine

  3. Shaft Collar Elev 10,400 ft Harrison Mt. Elev. 12,300 ft Shaft Bottom Elev 7,500 ft LA Ramp Exhaust air Fresh air To crusher Primary Access Ramp 3600 ft Secondary Access Ramp 3200 ft Central Campus Elev. 6,750 ft (4200 mwe) Central Campus UNO

  4. EarthLab/ Geoscience Area Central Campus Elev. 6750 ft (4200 mwe) Midway Campus Elev. 5825 ft (5100 mwe) Lower Campus Elev. 4900 ft (6000 mwe) Deep Access Internal Shaft

  5. Preliminary Cost Estimates(Excluding UNO)

  6. Preliminary Time Schedule(Excluding UNO)

  7. UNO Preliminary Cost Estimates

  8. Equipment and Excavation Techniques

  9. 2.3.1 Conventional Development Basic drilling cycle for drill and blast drifting and tunneling: • Surveying and setup • Drilling • Charging • Blasting • Ventilation • Scaling • Mucking • Scaling • Bolting

  10. 3 Boom Drill Jumbo

  11. LHD

  12. Development Haul Truck

  13. Raise Drill Operating Cycle

  14. Sandvik Tamrock Rock World, 2/2001 Drilling the ventilation raises at the Kiruna Mine, 1998

  15. Shaft Widening by Drill and Blast

  16. Shaft Boring Machine (Wirth) V-mole method Raise bored pilot hole 1.8 to 2.4 m diameter. Ream shaft to up to 8.5 m diameter. Limited by maximum length raise bored hole, currently 1,300 m. 7.5 m day average

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