Valve spacing and rapid shutdown.

(1)Each pipeline company must have procedures to rapidly locate and isolate reportable releases from its pipeline.#

(2)When determining the type of valve to be used, its location, and its shut-off time, each pipeline company must consider the following:#

(a)Terrain;#

(b)Geohazards;#

(c)Drainage; and#

(d)Type and condition of the pipe.#

(3)Whenever a pipeline company installs a new rapid shutdown valve, the pipeline company must conduct a surge analysis to ensure that the surge pressure in the pipeline will not exceed one hundred ten percent of the maximum operating pressure as a result of a rapid valve closure.#