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What is NYC BC § 1613.4.1?

Quick Answer

This section outlines requirements for structural separation in masonry structures adjacent to unreinforced masonry bearing walls. It specifies that the separation must be filled with a material having a compressive strength between 25 psi and 100 psi. Applies to building owners involved in new construction adjacent to existing masonry structures.

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

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1613.4.1 Masonry structures.

BC § 1613.4.1

For structures adjacent to existing unreinforced masonry bearing wall structures, the structural separation shall be filled with a material with a minimum compressive strength of 25 psi (172.37 kPa) and a maximum compressive strength of 100 psi (689.47 kPa). Additionally, when the adjacent wall is a party wall, the party wall shall be made secure by the party responsible for the new construction as per Chapter 33.

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