Master Detra used raise boring to drill/bore the 2 ventilation shafts.  Master Detra utilized raise boring technology to excavate the ore passes and ventilation raises.

• Boring operations were done in 2 uninterrupted shifts per day.
• Operations were performed on a 24/7 cycle.
• automatically middle size raise boring rig was used for the operations.
• A PLC control rig with a hands-free rod handling system was used to improve safety and efficiency.
• Master Drilling provided raise boring training to Russian specialists for further related projects in Russia.