Calgary (35 welders, journeymen, pipefitters, maintenance, production personnel, machine operators, truck drivers, store-keepers) and the International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, Local 146
![TIW Western](https://cdn-res.keymedia.com/cdn-cgi/image/f=auto/https://www.hrreporter.com/dynamicdata/images/img9309_TIW_Western.jpg)
Renewal agreement: Effective April 1, 2018, to March 31, 2020. Ratified on March 28, 2018. Signed on April 26, 2018.