ETB cleared to partially reopen after flooding 

Floors 1 through 5 of the Engineering Technology Building will reopen on Thursday, Feb. 5 following a safety assessment. 

February 4, 2026

Exterior of the side of the Engineering Technology Building on a summer day

The Engineering Technology Building will partially reopen on Thursday, Feb. 5The building was closed Tuesday after a burst pipe caused flooding.

On Wednesday, an external environmental consultant completed an assessment of the building and determined that it is safe to occupy.

Here’s what you need to know:  

  • Floors 1 through 5 will reopen for scheduled classes, labs and activities
  • The basement will remain closed until further notice for cleanup and repairs. Those who have classes or other labs in these spaces should connect with their instructors for more information
  • The north elevators are temporarily out of service
  • Some of the entrances to the building remain out of service while repairs are underway.

We appreciate everyone’s patience as we work to get the building fully operational.

The area between the buildings MDCL, MUMC, LR Wilson and LSB on a winter day.

Feb. 10 – 13: Emergency vehicles on campus for training

Starting today, fire department and HazMat vehicles will be on campus every evening this week for routinely scheduled training.
Exterior of the Engineering Technology Building at McMaster, seen during the summer.

ETB to remain closed Feb. 4 for flooding cleanup

The Engineering Technology Building is closed Feb. 3 and Feb. 4 because of flooding on the basement and first floor.
A red emergency alert pole on campus between Edwards Arch and the Campus Store

Siren testing on campus: Feb. 5, 2026

McMaster’s Campus Safety Services will conduct annual testing of the campus Siren Alert and emergency notification systems on Thursday, Feb. 5, 2026.