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What is NYC BC § 903.3.1.2.1?

Quick Answer

This section mandates sprinkler protection for exterior balconies, decks, and ground-floor patios in Type V construction buildings where automatic sprinkler systems are required for Group R occupancy. It specifies the placement of side wall sprinklers in relation to structural members and deck heights. Applies to building owners of relevant residential structures.

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

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903.3.1.2.1 Balconies and decks.

BC § 903.3.1.2.1

Sprinkler protection shall be provided for exterior balconies, decks and ground-floor patios of dwelling units where the building is of Type V construction and automatic sprinkler protection is required for the Group R occupancy. Side wall sprinklers that are used to protect such areas shall be permitted to be located such that their deflectors are within 1 inch (25.4 mm) to 6 inches (152.4 mm) below the structural members, and a maximum distance of 14 inches (355.6 mm) below the deck of the exterior balconies and decks that are constructed of open wood joist construction.

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