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NYC Building Code

§ 1705.2.4.1 — § 1705.2.4.1

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What is NYC BC § 1705.2.4.1?

Quick Answer

This section outlines the requirements for special inspections of structural steel in seismic force-resisting systems for buildings in Seismic Design Categories B, C, or D. Inspections must comply with AISC 341 quality assurance standards. Applies to building owners with structures in specified seismic categories.

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

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1705.2.4.1 Seismic force-resisting systems.

BC § 1705.2.4.1

Special inspections of structural steel in the seismic force-resisting systems of buildings and structures assigned to Seismic Design Category B, C or D shall be performed in accordance with the quality assurance requirements of AISC 341. Exception: Special inspections per Section 1705.2.4.1 are not required in the seismic force-resisting systems of buildings and structures assigned to Seismic Design Category B or C that are not specifically detailed for seismic resistance, with a response modification coefficient, R, of 3 or less, excluding cantilever column systems.

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