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NYC Administrative Code

§ 27-938 — Size of standpipe risers.

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What is NYC AC § 27-938?

Quick Answer

This section specifies the required sizes of standpipe risers based on their height, as detailed in Table 17-1. The minimum riser size is 4 inches for heights of 150 feet or less, and 6 inches for heights greater than 150 feet. Applies to building owners responsible for fire safety compliance.

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

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§ 27-938 Size of standpipe risers.

AC § 27-938

The size of standpipe risers shall be in accordance with Table 17-1. TABLE 17-1Size of Standpipe Risers Height1Minimum Riser Size Required (I.P.S.)150 ft. or less 4 in.Greater than 150 ft 6 in. Note for Table 17-1: 1 The height shall be that of the individual riser to the highest hose outlet (not including manifold outlets) from the level of the entrance floor at street level at which the riser begins.

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