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Where the inside standpipe system has a single riser, the siamese connection shall be connected on the system side of the gate valve in the riser. Where the system has two or more risers, the siamese connections shall be connected on the supply side of the gate valve so that with any riser shutoff the supply will be into the remaining risers. All piping shall be arranged to connect into the system by the most direct route as required by this code.
At each siamese connection, there shall be provided a flat square metallic plate attached to the siamese connection or the building near the connection on which shall be placed the word “Standpipe” if there is a single system, or the words “Low Level Standpipe: Basement (Or Subbasement): to Floor” or “High Level Standpipe: Floor to Floor” or other suitable marking if there is more than one system.
When a siamese connection serves both automatic sprinklers and a standpipe system the siamese connection shall be so identified.
(Prior code § 91-85; Amend Coun. J. 10-30-96, p. 31261, § 1)