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FIRE AND SMOKE PROTECTION FEATURES (T) shall be permitted in applications that do not require 716.5.2 Other types of assemblies.Fire door assemblies compliance with temperature rise requirements.Fire-rated with other types of doors, including swinging elevator ,• y glazing assemblies marked with ratings (XXX) that doors and fire shutter assemblies,bottom and side-hinged i exceed the ratings required by this code shall be permitted. chute intake doors, and top-hinged chute discharge doors, 716.4 Alternative methods for determining fire protection shall be tested in accordance with NFPA 252 or UL IOB. ratings. The application of any of the alternative methods The pressure in the furnace shall be maintained as nearly listed in this section shall be based on the fire exposure and equal to the atmospheric pressure as possible. Once estab- acceptance criteria specified in NFPA 252,NFPA 257 or UL fished, the pressure shall be maintained during the entire • 9.The required fire resistance of an opening protective shall test period. be permitted to be established by any of the following meth- 716.5.3 Door assemblies in corridors and smoke barni- ods or procedures: ers.Fire door assemblies required to have a minimum fire 1. Designs documented in approved sources. protection rating of 20 minutes where located in corridor walls or smoke barrier walls having a fire-resistance rat- 2. Calculations performed in an approved manner. ing in accordance with Table 716.5 shall be tested in 3. Engineering analysis based on a comparison of opening accordance with NFPA 252 or UL IOC without the hose protective designs having fire protection ratings as stream test. determined by the test procedures set forth in NFPA Exceptions: 252,NFPA 257 or UL 9. 1. Viewports that require a hole not larger than 1 4. Alternative protection methods as allowed by Section inch (25 min)in diameter through the door, have 104.11. at least a 0.25-inch-thick(6.4 mm)glass disc and 716.5 Fire door and shutter assemblies.Approved fire door the holder is of metal that will not melt out where and fire shutter assemblies shall be constructed of any mate- subject to temperatures of 1,700°F(927°C). rial or assembly of component materials that conforms to the 2. Corridor door assemblies in occupancies of test requirements of Section 716.5.1, 716.5.2 or 716.5.3 and Group 1-2 shall be in accordance with Section the fire protection rating indicated in Table 716.5. Fire door 407.3.1. frames with transom lights,sidelights or both shall be permit- ted in accordance with Section 716.5.6.Fire door assemblies 3. Unprotected openings shall be permitted for car- and shutters shall be installed in accordance with the provi- ridors in multitheater complexes where each sions of this section and NFPA 80. motion picture auditorium has at least one-half of Exceptions: its required exit or exit access doorways opening directly to the exterior or into an exit passageway. 1. Labeled protective assemblies that conform to the 4. Horizontal sliding doors in smoke barriers that requirements of this section or UL 10A,UL 14B and comply with Sections 408.3 and 408.8.4 in occu- UL 14C for tin-clad file door assemblies. pancies in Group I-3. 2. Floor fire door assemblies in accordance with Sec- 716.5.3.1 Smoke and draft control.Fire door assem- tion 711.8. blies shall also meet the requirements for a smoke and 716.5.1 Side-hinged or pivoted swinging doors. Fire draft control door assembly tested in accordance with door assemblies with side-hinged and pivoted swinging UL 1784. The air leakage rate of the door assembly doors shall be tested in accordance with NFPA 252 or UL shall not exceed 3.0 cubic feet per minute per square IOC. After 5 minutes into the NFPA 252 test, the neutral foot (0.01524 m'/s • m') of door opening at 0.10 inch pressure level in the furnace shall be established at 40 (24.9 Pa)of water for both the ambient temperature and inches(1016 mm)or less above the sill. elevated temperature tests.Louvers shall be prohibited. Installation of smoke doors shall be in accordance with NFPA 105. TABLE 716.3 MARKING FIRE-RATED GLAZING ASSEMBLIES FIRE TEST STANDARD MARKING DEFINITION OF MARKING ASTM E 119 or UL 263 W Meets wall assembly criteria. NFPA 257 or UL 9 OH Meets fire window assembly criteria including the hose stream test. D Meets fire door assembly criteria. NFPA 252 or UL IOB or UL IOC H Meets fire door assembly"Hose Stream"test. T Meets 450°F temperature rise criteria for 30 minutes XXX The time in minutes of the fire resistance or fire protection rating of the glazing assembly For SI: °C=[(°F)-321/l.8. 142 2014 OREGON STRUCTURAL SPECIALTY CODE