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ARE AND SMOKE PROTECTION FEATURES 4.3. Elevators serving floor levels over 75 feet 714.3.1 Through penetrations. Through penetrations of (22 860 nun) above the lowest level of fire-resistance-rated walls shall comply with Section fire department vehicle access in high-rise 714.3.1.1 or 714.3.1.2. buildings. Exception: Where the penetrating items are steel, fer- 5. Smoke partitions shall be permitted in lieu of fire rows or copper pipes, tubes or conduits, the annular partitions to separate the elevator lobby at each space between the penetrating item and the fire-resis- floor where the building is equipped throughout tance-rated wall is permitted to be protected as follows: with an automatic sprinkler system installed in 1. In concrete or masonry walls where the penetrat- accordance with Section 903.3.1.1 or 903.3.1.2. ing item is a maximum 6-inch(152 mm)nominal In addition to the requirements in Section 710 for diameter and the area of the opening through the smoke partitions, doors protecting openings in wall does not exceed 144 square inches (0.0929 the smoke partitions shall also comply with Sec- m2),concrete, grout or mortar is permitted where • tions 710.5.2.2, 710.5.2.3, and 716.5.9 and duct it is installed the full thickness of the wall or the penetrations of the smoke partitions shall be pro- thickness required to maintain the fire-resistance tected as required for corridors in accordance rating;or with Section 717.5.4.I. 2. The material used to fill the annular space shall 6. Enclosed elevator lobbies are not required where prevent the passage of flame and hot gases suffi- the elevator hoistway is pressurized in accor- dent to ignite cotton waste when subjected to dance with Section 909.21. ASTM E 119 or UL 263 time-temperature fire 7. Enclosed elevator lobbies are not required where conditions under a minimum positive pressure differential the elevator serves only open parking garages in of 0.01 inch (2.49 Pa)of water at the accordance with Section 406.5. location of the penetration for the time period equivalent to the fire-resistance rating of the con- 713.14.1.1 Areas of refuge. Areas of refuge shall be struction penetrated. provided as required in Section 1007. 714.3.1.1 Fire-resistance-rated assemblies. Penetra- tions shall be installed as tested in an approved fire- resistance-rated assembly. * SECTION 714 • PENETRATIONS 714.3.1.2 Through-penetration firestop system. Through penetrations shall be protected by an 714.1 Scope. The provisions of this section shall govern the approved penetration Freston system installed as tested materials and methods of construction used to protect in accordance with ASTM E 814 or UL 1479, with a through penetrations and membrane penetrations of horizon- minimum positive pressure differential of 0.01 inch tal assemblies and fire-resistance-rated wall assemblies. (2.49 Pa)of water and shall have an F rating of not less than the required fire-resistance rating of the wall pen- 714.1.1 Ducts and air transfer openings.Penetrations of etrated. fire-resistance-rated walls by ducts that are not protected with dampers shall comply with Sections 714.2 through 714.3.2 Membrane penetrations. Membrane penetra- 714.3.3. Penetrations of horizontal assemblies not pro- Lions shall comply with Section 714.3.1. Where walls or tected with a shaft as permitted by Section 717.6, and not partitions are required to have a fire-resistance rating, required to be protected with fire dampers by other sec- recessed fixtures shall be installed such that the required Lions of this code, shall comply with Sections 714.4 fire-resistance will not be reduced. through 714.4.2.2.Ducts and air transfer openings that are Exceptions: protected with dampers shall comply with Section 717. I. Membrane penetrations of maximum 2-hour tire- 714.2 Installation details.Where sleeves are used,they shall resistance-rated walls and partitions by steel elec- be securely fastened to the assembly penetrated. The space trical boxes that do not exceed 16 square inches between the item contained in the sleeve and the sleeve itself (0.0 103 m2)in area,provided the aggregate area and any space between the sleeve and the assembly pene- of the openings through the membrane does not [rated shall be protected in accordance with this section.Insu- exceed 100 square inches(0.0645 m2)in any 100 lation and coverings on or in the penetrating item shall not square feet (9.29 m') of wall area. The annular penetrate the assembly unless the specific material used has space between the wall membrane and the box been tested as part of the assembly in accordance with this shall not exceed 48 inch(3.1 mm).Such boxes on section. opposite sides of the wall or partition shall be 714.3 Fire-resistance-rated walls. Penetrations into or separated by one of the following: through fire walls,fire barriers,smoke barrier walls and fire 1.1. By a horizontal distance of not less than partitions shall comply with Sections 714.3.1 through 24 inches (610 nun) where the wall or 714.3.3. Penetrations in smoke barrier walls shall also corn- partition is constructed with individual ply with Section 714.5. noncommunicating stud cavities; 138 2019 OREGON STRUCTURAL SPECIALTY CODE