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What is NYC BC § 1604.3.7?

Quick Answer

This section establishes deflection limits for framing members that support glass when subjected to specified wind loads. It outlines two criteria based on the length of the framing member, ensuring structural integrity under wind pressure. Applies to building owners and engineers involved in structural design and compliance.

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

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1604.3.7 Framing supporting glass.

BC § 1604.3.7

The deflection of framing members supporting glass subjected to 0.6 times the "component and cladding" wind loads shall not exceed either of the following: 1. 1/175 of the length of span of the framing member, for framing members having a length not more than 13 feet 6 inches (4115 mm).

2.1/240 of the length of span of the framing member + 1/4 inch (6.4 mm), for framing members having a length greater than 13 feet 6 inches (4114.8 mm).

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