BC Hydro names preferred proponent for 1,100-MW Site C hydropower project civil works

Site C Hydropower Project

Canadian utility BC Hydro has named a Peace River Hydro Partners as the preferred proponent for the construction of main civil works associated with the 1,100-MW Site C hydroelectric plant.

The US$85 million offer -- awarded to the consortium that includes ACCIONA Infrastructure Canada Inc., Petrowest Corp. and Samsung C&T Canada Ltd. -- is expected to be finalized in early 2016.

"We are pleased to see a strong response to the procurement of the main civil works contract, and are encouraged by the competitive pricing of the preferred proponent," BC Hydro President and CEO Jessica McDonald said. "The rigorous competitive selection process has reconfirmed to the project budget for the largest Site C contract, and has also ensured we got the best value for our customers."

The eight-year deal is expected to generate more than $3 billion to the province's economy, with 8,000 person-years of employment and about 1,500 people working on the Site C complex's main civil works at the peak of its construction.

Positions will be filled with a series of job fairs and business-to-business networking sessions beginning next year, BC Hydro said.

"Main civil works is the single largest work package for Site C and it will provide jobs and economic benefits for the Peace region," said Hon. Mike Vernier, Member of the Legislative Assembly, Peace River South. "This is a very good achievement for the project."

Included in the civil works contract are:

  • The excavation of about 32 million cubic meters for structures, including the approach channel and tailrace;
  • River diversion works, including the construction of two 10.8 meter internal diameter concrete-lined tunnels between 700 meters and 800 meters in length, and associated cofferdams, intake and outlet structures;
  • Construction of a 1,050 meter long by 60 meter high earthfill dam;
  • Construction of an 800 meter long by 70 meter high roller-compacted concrete buttress; and
  • Construction of ancillary works including roads, drainage and debris handling facilities.

The main civil works contract follows an eight-year contract awarded to ATCO Two Rivers Lodging Group to design, manufacture, install and operate workforce housing facilities in October. The utility awarded a contract for site preparation in August.

Still to be awarded are major contracts for the supply of turbines and generators, construction of the generating station and spillways, realignment of British Columbia's Highway 29, and substation and transmission lines.

Site C will be the third hydroelectric project on the Peace River, joining 2,730-MW G.M. Shrum and 694-MW Peace Canyon. The site was chosen for potential development in 1976.

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