Rules of Thumb

Click on any of the following links to see the associated Rules of Thumb.  Enjoy!

Exploration Geology and Ore Reserves	Wire Ropes, Sheaves, and Conveyances
Rock Mechanics	Headframes and Bins
Mining Methods	Conveyors and Feeders
Mine Layout	Ventilation and Air Conditioning
Environmental Engineering	Compressed Air
Feasibility Studies	Mine Dewatering
Mineral Economics	Backfill
Cost Estimating	Explosives and Drilling
Shaft Design	Electrical
Shaft Sinking	Passes, Bins, and Chutes
Lateral Development and Ramps	Crushers and Rockbreakers
Collars and Portals	Mineral Processing
Drum Hoists	Infrastructure and Transportation
Koepe / Friction Hoists	Mine Maintenance