68 lines
1.9 KiB
Markdown
68 lines
1.9 KiB
Markdown
---
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aliases:
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- ibc-403
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tags:
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- authorship/other
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- exclude-from-word-count
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- topic/construction
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- type/media/reference
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title: SECTION 403---HIGH-RISE BUILDINGS
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---
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# SECTION 403---HIGH-RISE BUILDINGS
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%%
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> [!quote] [[ibc_ch02]]
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> **HIGH-RISE BUILDING.**
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> A building with an occupied floor
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> located more than 75 feet (22 860 mm)
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> above the lowest level of fire department vehicle access.
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%%
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## 403.1 Applicability.
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High-rise buildings shall comply with Sections 403.2 through 403.6.
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%% TODO %%
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## 403.4 Emergency systems.
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The detection, alarm and emergency systems of high-rise buildings
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shall comply with Sections 403.4.1 through 403.4.8.
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%% TODO %%
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### 403.4.5 Emergency communication coverage.
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In-building, two-way emergency responder communication coverage shall be
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provided in accordance with [[ifc_s0510|Section 510 of the _International Fire Code_]].
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%% TODO %%
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## 403.5 Means of egress and evacuation.
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The means of egress in high-rise buildings
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shall comply with Sections 403.5.1 through 403.5.5.
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### 403.5.3 Stairway door operation.
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Stairway doors other than the exit discharge doors
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shall be permitted to be locked from the stairway side.
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Stairway doors that are locked from the stairway side
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shall be capable of being unlocked without unlatching
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where all of the following conditions occur:
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1. Individually or simultaneously upon a signal from the fire command center.
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2. Simultaneously upon activation of a fire alarm signal in an area served by the stairway.
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3. Upon failure of the power supply to the lock or the locking system.
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### 403.5.3.1 Stairway communication system.
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A telephone or other two-way communications system
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connected to an approved constantly attended station
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shall be provided at not less than every fifth floor in each stairway
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where the doors to the stairway are locked.
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Systems shall be listed in accordance with UL 2525
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and installed in accordance with NFPA 72.
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