A while back, I taught a class at a large university and was fortunate to have access to their fantastic training room.  The university had incorporated many strategies to facilitate immediate lockdown in their classroom buildings, but this particular training room was in the facilities services building, not typically occupied by students or professors.

The lockdown method used in the training room was to attach a hex key on a lanyard to each door, so the panic hardware could be quickly undogged if the doors needed to be secured.  In a perfect world I would use thumbturn cylinder dogging with a dogging indicator (see Mark’s post from yesterday), but sometimes you have to “make do.”  Considering the use of the room, I think having the hex key readily available is a good compromise.


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