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Alteration – Level 2

NYC Existing Building Code § EBC 603
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Section EBC 603: Alteration – Level 2 603.1 Scope. Level 2 alteration is any alteration made to a building where the work area exceeds 50 percent of the building area. 603.1.1 Work area contributing to Level 2 alteration. For the purpose of determining Level 2 alteration, work area shall be calculated pursuant to Section 601.2. Exception. For categories of work established by rule. 603.2 Application. Level 2 alterations shall comply with the provisions of Chapter 8 for Level 1 alterations as well as the provisions of Chapter 9 and, as applicable, with the provisions of Chapters 3 and 7.
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/0-0-0-241559Fetched: 10/24/2026

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