Valves

(a)The following valves shall be protected by each Operator against unauthorized operation and be specifically identifiable in the field:#

(1)any valve that could render a pressure regulating or relieving device inoperative;#

(2)valves separating segments at different operating pressures;#

(3)unattended above-ground valves that are in the closed position where there is no other device to prevent the flow of Gas; and#

(4)any Curb Valve in the closed position.#

(b)If any valve identified in subsection (a) of this section is located below-ground, the valve shall be secured to prevent unauthorized access or equipped with a device, labeled "GAS", that needs to be removed for valve operation.#