Poor Ground Conditions and Tight Schedules are No Match for the SDI Team
A 5 page article that appeared in the September 2010 issue of Coal Age Magazine.
When a coal operator needs a shaft, the choices are limited. Two processes are currently employed by the coal industry: conventional shaft sinking, which places personnel and materials into the shaft; and mechanical excavation or shaft drilling. In today's safety conscious environment, more and more coal operators are choosing mechanical excavation by specialty contractors like Shaft Drillers International (SDI).
Blind Shaft Development
A three page article that appeared in the February 2009 issue of Coal Age magazine highlighting the services offered by SDI.
Topics covered include:
- Blind Boring Techniques
- Raise Bore Drilling
- Geo-technical Engineering