Aluminum having a minimum thickness of 0. Where the penetrating items are steel, ferrous or copper pipes, tubes or conduits, the annular space between the penetrating item and the fire-resistance-rated wall is permitted to be protected as follows: Openings in the roof shall not be located within 5 feet mm of the 1-hour fire-resistance-rated exterior wall for Groups R and U and 10 feet mm for other occupancies, measured from the interior side of the wall. Fire dampers are not required at penetrations of fire barriers where any of the following apply:. Fire barriers shall be of materials permitted by the building type of construction.
Horizontal fire door assemblies shall be labeled by an approved agency. A shaft enclosure in accordance with Section Fire-resistance-rated glazing in excess of square inches 0. Is not open to a corridor in Group I and R occupancies. Fireblocking shall comply with Section Cell or room doors, including cell or room doors with integral side-lites that are part of the door assembly in Group I-3 occupancies which open into a required exit corridor within a cell complex.
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Chapter 7: Fire and Smoke Protection Features, California Building Code (Vol 1) | UpCodes
What damper do I use if the plans specify a 2 hour rated fire partition? The building has an area of not more than 1, square feet 93 m 2 on any floor. Escalators shall cease operation when the shutter begins to close. Doors installed in waste and linen chutes, discharge openings and access and discharge rooms in accordance with Section Steel exhaust subducts are extended not less than 22 inches mm vertically in exhaust shafts, provided there is a continuous airflow upward to the outside.
The maximum transmitted temperature rise is not required in buildings equipped throughout with an automatic sprinkler system installed in accordance with Section All layers of single and multilayer reflective plastic core insulation shall comply with Section 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. Ceiling radiation dampers are not required where one of the following applies: Fire door assemblies and shutters shall be installed in accordance with the provisions of this section and NFPA Where walls or partitions are required to have a fire-resistance rating , recessed fixtures Protection of the vertical opening by approved shutters at every penetrated floor shall be permitted in accordance with this section.