The Escobal project saw Dumas’ Guatemalan subsidiary complete a 130 metre deep, 6.1 metre diameter mechanized raise with a 100 mm thick shotcrete lining in extremely challenging ground.
This raise was excavated safely and efficiently, with no LTI’s.
Mina Escobal Project in Guatemala.
Assessing the terrain for a proposed ventilation shaft:
Town of San Rafael Las Flores in background.
North, Central and South American Raise Miners prior to going up the 95 metre East Ventilation Raise. Project was completed on schedule and without any LTI's.