Death on SW4 halts all tunnelling in Edmonton
7 November 2016Canada - A 44-year-old man died Tuesday, November 1 underground on the SW4 sewer tunnel in Edmonton, Alberta.
The City of Edmonton, which maintains its own in-house tunnelling group, shut down all tunnelling operations following the fatality. Edmonton currently has four TBMs deployed for sewer work around the city.
SW4 comprises a 1,528m-long tunnel, 3m in diameter, and two shafts.
No other workers were hurt, and the name of the deceased has not been released.
