Sec. 9.31. - Doors—Locking Devices.
Where designated as means of egress by the Fire Prevention Code (City Code Chapter 24) or by the Building Code (City Code Chapter 13), doors shall be equipped with locking devices as prescribed by those Codes. Where not so designated, the following shall apply:
(a) Perimeter doors shall be equipped either with an approved fire exit device or with a double cylinder deadbolt or a single cylinder deadbolt without a turnpiece. The deadbolt shall be of hardened steel or have a hardened steel insert to resist cutting and shall have a minimum throw of 1″, or be equipped with a fire exit device. The dust cover shall be capable of accepting a 1″ throw bolt.
(b) All doors which lead into an individual office or suite of offices from a public lobby or corridor shall be equipped with a deadbolt lock, having a minimum 1″ throw bolt, which can be opened from the inside by a device not requiring a key, special knowledge or effort. The dust cover shall be capable of accepting the 1″ throw bolt.
(c) On pairs of perimeter doors, the active leaf shall be secured with a double cylinder deadbolt or a single cylinder deadbolt without a turnpiece; the deadbolt shall be of hardened steel or have a hardened steel insert to resist cutting and shall have a minimum throw of 1″. The inactive leaf shall be equipped with edgemounted, deadlocking flush bolts with a minimum throw of ⅝″ at head and foot. Multiple point locks, cylinder activated from the active leaf and meeting the requirements of subsection (a) above, may be used in lieu of flush bolts.
(d) Any single perimeter door or pair of perimeter doors requiring locking at the top or bottom rails shall have locks with a minimum ⅝″ throw bolt at both the top and bottom rails.
(e) Cylinders shall be so designed or protected so that they cannot be gripped by pliers or other wrenching devices.
(f) Perimeter sliding doors shall be secured as provided in subsections (a), (c) or (d) above.
(g) Rolling overhead doors, solid overhead swinging, sliding or accordion garage-type doors shall be secured with a cylinder lock or padlock on the inside, when not otherwise controlled or locked by electric power operation. If a padlock is used, it shall be of hardened steel shackle, with minimum five pin tumbler operation with non-removable key when in an unlocked position.
(h) Metal accordion grate or grill-type doors shall be equipped with metal guide track at top and bottom. The bottom track shall be so designed that the door cannot be lifted from the track when the door is in a locked position. When the grate or door is not otherwise controlled or locked by electrical power operation, it shall be equipped with a cylinder lock and/or padlock with hardened steel shackle and minimum five pin tumbler operation with non-removable key when in an unlocked position.
(Ord. of 5-23-1983, Doc. #17768)
