Chemistry Building (CB) 160 Campus Walk Building operating hours: 7:00am to 9:00pm Monday to Friday Weekends building is locked 24hr Accessible Washroom (Men) rooms: 114, 234A, 334A and 434A Accessible Washroom (Women) rooms: 116, 226A, 326A, and 426A

Petrie Science & Engineering Building (PSE) 140 Campus Walk Building operating hours: Monday, Tuesday, Thursday and Friday: 7:00am to 9:00pm Wednesday: 7:00am-11:00pm Saturday and Sunday: closed Single stall Barrier Free Accessible Gender Neutral Washroom room: 420

West Office Building (WOB) 154 Ottawa Road Building operating hours: East entrance: Monday-Friday: 8:30am-4:30pm West entrance: Monday-Friday: 8:30am-8:30pm Saturday and Sunday: closed Accessible Washroom (Women) room: 198 Accessible Washroom (Men) room: 197 Single stall Barrier Free Accessible Gender Neutral Washroom room: 199

Computer Methods Building (CMB) 4850 Keele Street

Physical Resources Building (PRB) 10 Rideau Road Building operating hours: Monday to Friday, 6:00am to 5:30pm Saturday & Sunday closed