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John Hart Generating Station Replacement Project

Campbell River, British Columbia

The Aecon joint venture’s scope of work for the project involved the construction of a new water intake at the existing John Hart Spillway/Dam, replacement of three 1.8-kilometre long above ground penstocks with a 2.1-kilometre long tunnel, the construction of a new underground generating station, and a water bypass facility.

A joint venture between Aecon and SNC-Lavalin Constructors Pacific Inc. (60/40 ASL JV) carried out the civil construction scope of the project. About 95 per cent of the Campbell River flows through the John Hart Generating Station. It has a capacity of 132 MW – enough electricity to power 80,000 homes.

CLIENT
BC Hydro

VALUE
$225 million
(Aecon’s share)

START DATE
June 2014

COMPLETION
December 2018

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60K
CUBIC METRES OF POWERHOUSE EXCAVATION

300K
CUBIC METRES OF ROCK EXCAVATION

500
TRADES WORKERS ON-SITE AT PEAK

57
COFFERDAM PILES

The original John Hart hydroelectric facility operated above ground for many years on BC Hydro property in the middle of Elk Falls Provincial Park in mid-Vancouver Island. Given its setting, the facility was a necessary yet somewhat lamented infrastructure within an otherwise pristine landscape. Replacing it with a modern, underground powerhouse improved the park and gave BC Hydro an opportunity to bolster generating capacity.

As the first P3 hydroelectric project in Canada, this project fostered excellence from the outset – from its innovative underground design and commitment to environmental protection, to the teams that safely executed, on-time and on-budget. This critical infrastructure will ensure the supply of reliable electricity to local communities for years to come.

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