TOPAZ Submarine fibre-optic cable
TOPAZ Cable System
The proposed submarine fibreoptic cable system – Topaz - consists of a main cable between Port Alberni, BC and, in Japan, Shima (Mie prefecture) to the South, and Takahagi (Ibaraki Prefecture) to the North. In addition, a second cable for future development will extend from Port Alberni and terminate at the headlands of Barkley Sound.
The Topaz submarine cable system will extend from an existing telecommunications facility near Canal Beach in Port Alberni and will follow Alberni Inlet to the ocean. The main cable will extend onto the continental shelf and then follow a Northern Pacific route to Japan. The second cable will terminate at the headlands of Barkley Sound and is intended to minimize nearshore disturbances when a second cable lands in Canada in the future.
The Canadian point of origin for the Topaz system will be an existing land-based communications facility located in Port Alberni. The cables will transition from the facility to a beach manhole via an underground duct measuring approximately 200 metre and located approximately 1.2 m below existing grade. From the beach manhole the cables will access Alberni Inlet. The system will be surface lain within Alberni Inlet with burial starting towards the mouth of Trevor Channel. Burial will be undertaken by towed plough from Barkley Sound headlands (approx. 100 m water depth) to approximately 1500 m water depth. The system will be surface laid in water depths greater than 1500 m. Cable installation within Canadian waters is anticipated to be completed within a 2 week timeframe during the late Spring of 2021.
Disclaimer
This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.
Latest update
Contacts
Public Services and Procurement CanadaMark McNeil, Senior Environmental Specialist
Telephone: 709-637-4481
Email: mark.mcneil@pwgsc-tpsgc.gc.ca
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Location
- Port Alberni (British Columbia)
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Project Type
- Other, not otherwise specified
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Status
In progress -
Start Date
2020-11-05 -
Proponent
Google Canada -
Authorities
- Innovation, Science and Economic Development
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Assessment Type
Project on federal lands -
Reference Number
81122
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