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VERTICAL OPENINGS
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VERTICAL OPENINGS
SHAFT ENCLOSURE
Vertical openings contained entirely within a shaft enclosure complying with Section 713 shall be permitted.
Shaft
Shaft Enclosure connecting 4 or more stories
Shaft enclosures shall have a fire-resistance rating of not less than 2 hours where connecting four stories or more.
Shaft Enclosure connecting less than 4 stories
Shaft enclosures shall have a fire-resistance rating of not less than 1 hours where connecting less than four stories.
Penetrations
Penetrations, concealed and unconcealed, shall be permitted where protected in accordance with Section 714.
Penetrations
Escalator Openings
Where a building is equipped throughout with an automatic sprinkler system, vertical openings for escalators shall be permitted where protected in accordance with Section 712.1.3.1 or 712.1.3.2.
712.1.3.1 Opening Size: Protection by Draft curtain
712.1.3.2 Automatic shutters
Escalator
Mezzanine
Vertical openings between a mezzanine complying with Section 505, and the floor below shall be permitted.
Mezzanine
Joints
Joints made in or between horizontal assemblies shall comply with Section 715. The void created at the intersection of a floor/ceiling assembly and an exterior curtain wall assembly shall be permitted where protected in accordance with Section 715.4.
712.1.5.1 Joints in or between horizontal assemblies.
712.1.5.2 Joints in or between non fire-resistance-rated floor assemblies.
Joints
Ducts And Air Transfer Openings
- Penetrations by ducts and air transfer openings shall be protected in accordance with Section 717.
- Grease ducts shall be protected in accordance with the Saudi Mechanical Code (SBC 501).
Ducts & Air Transfer Opening
Atrium
In other than Group H occupancies, atriums complying with Section 404 shall be permitted.
Atrium
Two-story Opening
In other than Groups I-2 and I-3, a vertical opening that is not used as one of the applications listed in this section shall be permitted if the opening complies with all of the items below:
- Does not connect more than two stories.
- Does not penetrate a horizontal assembly that separates fire areas or smoke barriers that separate smoke compartments.
- Is not concealed within the construction of a wall or a floor/ceiling assembly.
- Is not open to a corridor in Group I and R occupancies.
- Is not open to a corridor on non sprinklered floors.
- Is separated from floor openings and air transfer openings serving other floors by construction conforming to required shaft enclosures.
Two-Story Openings
Parking Garage
Vertical openings in parking garages for automobile ramps, elevators and duct systems shall comply with Section 712.1.10.1, 712.1.10.2 or 712.1.10.3, as applicable.
Elevators: Vertical openings for elevator hoist ways in open or enclosed parking garages
Automobile ramps: Vertical openings for automobile ramps in open and enclosed parking garages
Duct systems: Vertical openings for mechanical exhaust or supply duct systems in open or enclosed parking garages.
Parking Garages
Exit access stairways and ramps
Vertical openings containing exit access stairways or ramps in accordance with Section 1019 shall be permitted.
Exit access stairways & ramps
Opening
Vertical openings for floor fire doors and access doors shall be permitted where protected by Section 712.1.13.1 or
712.1.13.2.
Openings
Access Door
Horizontal fire door assemblies
Skylight
Skylights and other penetrations through a fire-resistance-rated roof deck or slab are permitted to be unprotected, provided that the structural integrity of the fire-resistance-rated roof assembly is maintained.