Port Mann Water Supply Tunnel
United States, Canada; Nagano, Japan; Bogota, Columbia; Manila, Philippines, Australia
of tunnels and over 741,000 Feet of small diameter pipe.
The Port Mann Water Supply Tunnel was constructed by Metro Vancouver, under the Fraser River, the largest river in British Columbia, Canada. The tunnel is earthquake-resistant and located just downstream of the new Port Mann Bridge and upgraded Trans-Canada highway. The project was built by the joint venture of McNally and AECON, with Hatch Mott MacDonald as the construction manager.
Pacific International Grout Company placed 6,000 cubic yards of specially engineered seismic cellular concrete to protect the 1 kilometer water line for its 100 year life including experiencing a major earthquake. Strict project specifications were adhered to provide a quality backfill.
Job was completed on schedule successfully.