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BC 1909 — Structural Plain Concrete

New York City Administrative Code (current through L.L. 2026/147, enacted September 12, 2026, and amendments effective through October 10, 2026) · NYC Building Code § BC 1909

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Section BC 1909: Structural Plain Concrete

1909.1 Scope. The design and construction of structural plain concrete, both cast-in-place and precast, shall comply with the minimum requirements of ACI 318, as modified by Section 1908 of this chapter. Exception: For Group R-3 occupancies and buildings of other occupancies less than two stories above grade plane of light-frame construction, the required footing thickness of ACI 318 is permitted to be reduced to 6 inches (152 mm), provided that the footing does not extend more than 4 inches (102 mm) on either side of the supported wall.