Description :
Integral services in vertical excavations with raise borer in gold mine.
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- +1,300 meters with diameters from 2.4 m to 4.1 m (first shaft of this diameter in Colombia).
- EPC in construction of shafts and fill pass, ore pass ventilation sheds.
- Inspection through 3D scanning and repair of shaft structure.
- Design, manufacture and installation of electrohydraulic hoppers for unloading dumps.
- Support with cable bolts and coating with high resistance shotcrete (60 Mpa) using the Galloway system as a construction method.
