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NYC Building Code

§ 403.2.1 — § 403.2.1

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What is NYC BC § 403.2.1?

Quick Answer

This section outlines the modifications to the minimum fire-resistance ratings for building elements based on construction types. It specifies that high-rise buildings 420 feet or greater must utilize Type IA construction, while those not exceeding this height must ensure columns meet Type IA standards. Applies to building owners of high-rise structures.

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

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403.2.1 Types of construction.

BC § 403.2.1

The following modifications to the minimum fire-resistance rating of the building elements in Table 601 shall be as follows: 1. High rise buildings 420 feet (128 m) or greater in building height shall be constructed of Type IA construction.

2.For high rise buildings not greater than 420 feet (128 m) in building height, and constructed to meet the fire-resistance rating requirements of Type IB or IIA construction, the required fire-resistance rating of columns supporting floors shall be constructed to meet Type IA construction.

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