Noncombustible penetrating items shall not connect to combustible materials beyond the point of firestopping unless it can be demonstrated that the fire-resistance integrity of the horizontal assembly is maintained. Such protection is not required for exterior walls terminating at fire walls that form an angle equal to or greater than degrees 3. The fire-resistance-rated room separation and the protection at the bottom of the shaft are not required provided there are no combustibles in the shaft and there are no openings or other penetrations through the shaft enclosure to the interior of the building. The supporting construction for a fire barrier shall be protected to afford the required fire-resistance rating of the fire barrier supported. The required fire-resistance of an opening protective shall be permitted to be established by any of the following methods or procedures:
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Penetrations, concealed and unconcealed, shall be permitted where protected in accordance with Section Membrane penetrations by listed electrical boxes of any material, provided such boxes have been tested for use in fire-resistance-rated assemblies and are installed in accordance with the instructions included in the listing. Enclosed elevator lobbies are not required where the elevator serves only gwneric parking garages in accordance generid Section The lobby enclosure shall separate the elevator shaft enclosure doors from each floor by fire partitions.
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Reasons for your score: Is not open to a corridor on nonsprinklered floors. Insulating materials, including facings such as vapor retarders and vapor-permeable membranessimilar coverings and all layers of single and multilayer reflective foil insulations, shall comply with the requirements of this section.
Buildings on the same lot and considered as portions of one building in accordance with Section Shaft enclosures shall be permitted to terminate at a top enclosure complying with Section A minimum inch-long mm by 0. Smoke dampers are not required in corridor penetrations where the duct is constructed of steel not less than 0. Elevator lobby separation as required by Section Fire-resistant joint systems shall not be required for joints in all of the following locations:.
The permitted use of combustible materials in concealed spaces of buildings of Type I or II construction shall be limited to the applications indicated in Section Vertical openings contained entirely within a shaft enclosure complying with Section shall be permitted.
Fire door assemblies and shutters shall be installed in accordance with the provisions of this section and NFPA The application of any of the methods listed in this section shall be based on the fire exposure and acceptance criteria specified in ASTM E or UL 16bw-/2 total area of the glazing in fire-protection-rated windows assemblies shall not exceed 25 percent of the area of a common wall with any room. Factory-built chimneys and fireplaces shall be fireblocked in accordance with UL and UL The fire-resistance-rated room separation is not required, provided there are no openings in or penetrations of the shaft enclosure to the interior of the building except at the bottom.
The genreic roof assembly within 4 feet mm of the wall has not less than a 1-hour fire-resistance rating and the entire length and span of supporting elements for the rated roof assembly has a fire-resistance rating of not less than 1 hour. Except where the building is equipped throughout with an automatic sprinkler and the fire-rated glazing meets the criteria established in Section Materials having a structural base of noncombustible material as determined in accordance with Section Vertical openings for mechanical exhaust or supply duct systems in open or enclosed parking garages complying with Sections Horizontal projecting elements without concealed spaces, provided the exterior wall behind and below the projecting element has not less than 1-hour fire-resistance-rated construction for a distance not less than the depth of the projecting element on both sides of the fire wall.
Where wood 16bw-1/22 are used for laying wood flooring on masonry or concrete fire-resistance-rated floors, the space between the floor slab and the underside of the wood flooring shall be filled with an approved material to resist the free passage of flame and products of combustion or fireblocked in such a manner that there will be no open spaces under the flooring that will exceed square feet 9.
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Grease ducts shall be protected in accordance with the mechanical code. Fireblocking shall consist of the 16bw-/2 materials:. The application of any of the methods listed in this section shall be based on the fire exposure and acceptance criteria specified in ASTM E genericc UL Does not connect more than two stories. The ceiling membrane of 1- and 2-hour fire-resistance-rated horizontal assemblies is permitted to be interrupted with the double wood top plate of a wall assembly that is sheathed with Type X gypsum wallboard, provided that all penetrating items through the double top plates are protected in accordance with Section Installation of smoke doors shall be in accordance with NFPA The fire-resistance rating of the fire barrier separating building areas from an exit passageway shall comply with Section Such fire barriers shall be continuous genegic concealed space, such as the space above a suspended ceiling.
Elevator lobbies shall have at least one means of egress complying with Chapter 10 and other provisions within this code.
Approved fire door and fire shutter assemblies shall be constructed of any material or assembly of component materials that conforms to the test requirements of Section Fire-protection-rated glazing in 0.