16 NYCRR 255.740
255.740 Pressure regulating, limiting, and overpressure protection - individual service lines d...
(a)This section applies, except as provided in subdivision (c) of this section, to any service line directly connected to a production, gathering, or transmission pipeline that is not operated as part of a distribution system.#
(b)Each pressure regulating or limiting device, relief device (except rupture discs), automatic shutoff device, and associated equipment must be inspected and tested at least once every 3 calendar years, not exceeding 39 months, to determine that it is:#
(1)in good mechanical condition;#
(2)adequate from the standpoint of capacity and reliability of operation for the service in which it is employed;#
(3)set to control or relieve at the correct pressure consistent with the pressure limits of section 255.197 of this Part; and to limit the pressure on the inlet of the service regulator to 60 psi (414kPa) gauge or less in case the upstream regulator fails to function properly; and#
(4)properly installed and protected from dirt, liquids, or other conditions that might prevent proper operation.#
(c)This section does not apply to equipment installed on service lines that only serve engines that power irrigation pumps.#