N.Y.C. Admin. Code § 28-315.8.1: § 28-315.8.1 Emergency source of water for residential occupancies.

As of December 31, 2022, existing buildings greater than five stories in occupancy groups I-1, R-1, R-2, and R-3 that supply potable water from the public water main to occupants with the assistance of pumps, other than pumps connected to an emergency or a standby power system that complies with the requirements of chapter 27 of the New York city building code, shall be equipped with additional fixtures capable of supplying potable water to occupants utilizing only the available pressure from the public water main in compliance with section 614 of the New York city plumbing code.