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NYC Administrative Code

§ 27-650 — Deflection of support.

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What is NYC AC § 27-650?

Quick Answer

This section specifies the maximum allowable deflection for members supporting glass panels under design wind loads. The deflection must not exceed L/175, with L representing the span of the supporting member, and cannot exceed three-quarters of an inch. Applies to building owners with structures featuring glass panels.

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

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§ 27-650 Deflection of support.

AC § 27-650

The deflection of members supporting glass panels under the design wind load (measured perpendicular to the plane of the panel) shall not exceed L/175, where L is the span of the supporting member. In no case shall such deflection exceed three-quarters of an inch.

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