![]() Stops shall be required at the head and sides of door frames.The doors shall be self-closing or automatic-closing.NFPA does not require a fier-rated assembly or latching hardware for smoke barrier doors in new healthcare occupancies however, the following is required: The total combined area of glazing in fire-rated window and door assemblies in fire barriers shall not exceed twenty-five percent of the area of the fire barrier that is common to any room. These doors are also typically required to be self-closing. Fire door and window assemblies must meet the requirements of NFPA 80, Standard for Fire Doors and Other Opening Protectives. Please refer to these tables for the detailed requirements. Table 8.3.4.2 in the NFPA 101 2012 edition is very similar to the IBC Table 716.5. Hospital corridor doors do not require closers, however, they must be smoke- and draft-control doors. Doors in smoke partitions do not require a fire resistance rating. Therefore, they must be fixed glazing or automatic-closing upon the activation of smoke detectors. Windows in smoke partitions are not limited in size, but shall be sealed to resist the passage of smoke. Smoke partitions are utilized in Group I-2 corridors. The second item of note is cross-corridor doors in Group I-2 and ambulatory care facilities must be automatic-closing by smoke detection and have a vision panel with fire-protected glazing and frame. Positive latching devices are not required where permitted by door manufacturer’s listing.Doors shall have head and jamb stops, astragals or rabbets at meeting edges.Doors shall not have a center mullion or undercuts greater than ¾ of an inch, louvers, or grills. ![]()
0 Comments
Leave a Reply. |