‘Lynn Marie’ completes tunnelling journey

Journal of Commerce

A historic tunnel excavation has been completed on the Second Narrows Water Supply Tunnel in Vancouver.

The infrastructure project aims to make the region’s drinking water system more earthquake resilient and help meet growing demand for safe drinking water. …

“The new tunnel and watermains will replace three existing shallow buried watermains 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, chair of Metro Vancouver’s water committee. “Metro Vancouver is constantly upgrading its water supply system to maintain the quality and reliability of the region’s excellent drinking water, and to make the system more resilient.” …

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