RAISE BORING BY TUMI CONTRATISTAS MINEROS SBM MACHINES

Stu Blattner INC. has more raise bore machines than any other contractor in the USA, with more than 20 years experience around the world, is now working in Perú with its representative Tumi Contratistas Mineros S.A.C. The advanced technology of the SBM machines allows high productivity at low costs, being able to drill holes from 1,5 m to 5 m diameter and a up to 500 meters long. In this video we see the drilling of a 80 meters long ventilation shaft in Condestable mine located in Mala-Lima-Perú.