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NYC Building Code

§ 3104.5.4 — § 3104.5.4

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What is NYC BC § 3104.5.4?

Quick Answer

This section outlines the conditions under which exterior walls of connected buildings with a fire-resistance rating greater than 2 hours may not require such rating at the intersection with a pedestrian walkway. The conditions include the installation of an automatic sprinkler system and specific height and story requirements. Applies to building owners with connected structures needing compliance with fire safety regulations.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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3104.5.4 Exterior walls greater than 2 hours.

BC § 3104.5.4

Where exterior walls of connected buildings are required by Section 705 to have a fire-resistance rating greater than 2 hours, the walls at the intersection of the pedestrian walkway and each building need not be fire-resistance-rated provided: 1. The pedestrian walkway is equipped throughout with an automatic sprinkler system installed in accordance with Section 903.3.1.1.

2.The roof of the walkway is not located more than 55 feet (16 764 mm) above grade plane and the walkway connects to the fifth, or lower, story above grade plane of each building.

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