Underground galleries, Prison Sant Joan
Work Name: Trenching for conducting underground galleries, Prison Sant Joan de Vilatorrada
Work Description: Conducting pre-cuts by Trencher for later bombing of material between the pre-cuts.
Client: Ferrovial
Type of terrain: sandstones, marls and red shales
Features pre-cut trenches:
- width: 0.60 m
- depth: 2.70 m
