inoperable. Fusible links shall be replaced whenever fused or damaged. Fire door assemblies shall not be modified.
[BF] 703.4.1 Signs.
Where required by the code official, a sign shall be permanently displayed on or near each fire door in letters not less than 1 inch (25 mm) high to read as follows:
1. For doors designed to be kept normally open: FIRE DOOR – DO NOT BLOCK.
2. For doors designed to be kept normally closed: FIRE DOOR – KEEP CLOSED.
[BF] 703.4.2 Hold-open devices and closers.
Hold-open devices and automatic door closers shall be maintained. During the period that such a device is out of service for repairs, the door it operates shall remain in the closed position.
[BF] 703.4.3 Door operation.
Swinging fire doors shall close from the full-open position and latch automatically. The door closer shall exert enough force to close and latch the door from any partially open position.
[BF] 703.5 Ceilings.
The hanging and displaying of salable goods and other decorative materials from acoustical ceiling systems that are part of a fire-resistance-rated horizontal assembly shall be prohibited.
[BF] 703.6 Testing.
Horizontal and vertical sliding and rolling fire doors shall be inspected and tested annually to confirm operation and full closure. Records of inspections and testing shall be maintained.
[BF] 703.7 Vertical shafts.
Interior vertical shafts, including stairways, elevator hoistways and service and utility shafts, which connect two or more stories of a building shall be enclosed or protected as required in Chapter 11 of the International Fire Code. New floor openings in existing buildings shall comply with the International Building Code.
[BF] 703.8 Opening protective closers.
Where openings are required to be protected, opening protectives shall be maintained self-closing or automatic-closing by smoke detection. Existing fusible-link-type automatic door-closing devices shall be replaced if the fusible link rating exceeds 135°F (57°C).
SECTION 704
FIRE PROTECTION SYSTEMS
[F] 704.1 Inspection, testing and maintenance.
Fire protection and life safety systems shall be maintained in accordance with the International Fire Code in an operative condition at all times, and shall be replaced or repaired where defective.
[F] 704.1.1 Fire protection and life safety systems.
Fire protection and life safety systems shall be installed, repaired, operated and maintained in accordance with this code the International Fire Code and the International Building Code.
[F] 704.1.2 Required fire protection and life safety systems.
Fire protection and life safety systems required by this code, the International Fire Code or the