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Construction class I-C.

NYC Admin. Code § 27-277
in effect
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§ 27-277 Construction class I-C. Includes buildings and spaces in which the bearing walls and other major structural elements are generally of two-hour fire-resistance rating.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-48804Fetched: 10/24/2026

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