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Keeping up with energy demands in British Columbia

We were engaged by British Columbia’s energy utility to address growing demand for electricity in Long Beach, Vancouver Island by upgrading two existing substations and reconfiguring existing transmission lines.

This project included the complete rebuild of two substations. One substation’s 60 kV switchyard was reconstructed and expanded to include two 50 MVA transformers and 25 kV feeder sections. The second substation’s 60 kV station has two 75 MVA transformers. Both stations have new control rooms and auxiliary equipment. We also reconfigured existing 25 kV, 69 kV and 138 kV power lines and installed new distribution feeders.

The design and construction proved challenging as the project site was immediately next to the existing, energised substations. During construction significant rock blasting was done near the operating substation without tripping the relays. With careful outage planning, we were able to construct the substations and switch the electricity power over to the new substations with minimal disruption to the public.
Location:Vancouver Island, British Columbia, Canada
Client:BC Hydro & Power Authority
Value:Cdn $52 million
Scope:Engineering, procurement, construction management (EPCM)
Date:2013 - 2015