402.8.8 Security grilles and doors.
BC § 402.8.8
Horizontal sliding or vertical security grilles or doors that are a part of a required means of egress shall conform to the following: 1. Doors and grilles shall remain in the full open position during the period of occupancy by the general public.
2.Doors or grilles shall not be brought to the closed position when there are 10 or more persons occupying spaces served by a single exit or 50 or more persons occupying spaces served by more than one exit.
3.The doors or grilles shall be openable from within without the use of any special knowledge or effort where the space is occupied.
4.Where two or more exits are required, not more than one-half of the exits shall be permitted to include either a horizontal sliding or vertical rolling grille or door.













