Ironworkers Local 736
Our Local is over 1200 members strong and growing. Together we erected some of the most prominent and well known buildings in our jurisdiction.
05/13/2026
Get • Last week, we lowered the close to 2,100,000-pound Basemat into place — the foundation for the G7's first Small Modular Reactor and Canada's first new nuclear build in more than 30 years.
One of the largest crawler cranes in the world lowered the Basemat module into the reactor shaft at the Darlington New Nuclear Project site — 35 metres below ground. It’s the first time in Canada a foundation for a reactor building was assembled modularly – putting the “M” in SMR – as the giant component was fabricated, welded, and put together in one piece before being lifted into place.
This was a milestone months in the making, requiring significant attention to detail and safety, as well as the hard work of dedicated trades and project partners.
Piece by piece, we're continuing to build one of the largest and most complex clean energy projects in Canada today. Learn more: https://bit.ly/4mSWI0w
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1384 Ospey Drive
Ancaster, ON
L9G4V5
Opening Hours
| Monday | 8am - 4:30pm |
| Tuesday | 8am - 4:30pm |
| Wednesday | 8am - 4:30pm |
| Thursday | 8am - 4:30pm |
| Friday | 8am - 2pm |