São Salvador Tunnel

Project: "Execution of a tunnel at the São Salvador WWTP Outflow to the Viseu Sul WWTP"

Owner: Serviços Municipalizados de Água e Saneamento de Viseu

Client: Consórcio Oliveiras, S.A. e Embeiral, S.A.

Year: 2013

Description: The 1966 m long tunnel with a cross-section of 6 m2 is performed with the aid of explosives, having a support system consisting of sprayed concrete, steel ribs and Swellex rock bolts. After the threshold execution, a steel conduit shall be laid out in its interior.