Raise Boring – Ventilation Shaft Excavation / Balıkesir

Shaft Excavation by Raise Boring

Date : 2013
Project : Balya Pb-Zn Mine, Ventlation Shaft Excavation, Balya – Balıkesir  / TURKEY 
Description : Shaft Excavation by Raise Boring
Shaft Dimension : Depth : 600 m , Diameter : 2,40 m.
Employer : Esan Eczacıbaşı