DC to hold lockdown drill at Whitby campus Posted on September 25, 2012 at 11:55 am. As part of its commitment to campus safety, Durham College will hold an emergency lockdown drill at the Whitby campus on Wednesday, September 26 at 9:45 a.m. The entire campus will be affected. The drill is designed to build awareness around the steps to take in the event of an actual lockdown while testing the college’s emergency response plan and lockdown procedures and identifying areas for improvement going forward. An outline of the drill can be found on the lockdown website. Please note: the Whitby campus will be closed during the drill with no traffic permitted to enter or leave the premises. SHARE: