Tunnel under Burrard Inlet undergoes historic boring operation (PHOTOS)

Daily Hive

Metro Vancouver has completed the excavation of a tunnel at the Second Narrows Water Supply Tunnel, an infrastructure project that was started in order to make the region’s drinking water more earthquake resilient, using a state-of-the-art boring machine. …

“The new tunnel and water mains will replace three existing shallow buried water mains that went into service between the 1940s and 1970s, which are vulnerable to damage during an earthquake and are nearing the end of their service lives,” said Malcolm Brodie, the chair of Metro Vancouver’s Water Committee, in a statement. …

Read Full Story