4 (1) These Regulations apply to new installations and additions or changes to existing installations.
(2) Notwithstanding subsection (1), installations previously approved by an order of the Commission shall be operated in accordance with these Regulations and, if ordered by the Commission, shall also be made to conform to those parts of these Regulations pertaining to location, construction and design.
50 Loading or unloading lines shall be equipped with shut-off valves at the tank car end of the line. These valves shall not be used for throttling purposes but shall be either fully open or fully closed in order not to interfere with the operation of excess flow valves on the tank car.
(2) Gauge glasses of the columnar type shall be restricted to charging plants where the fuel is withdrawn in the liquid phase only. They shall be equipped with valves having metallic hand wheels; with excess flow valves and with extra heavy glass protected with a metal housing applied by the manufacturer. These gauges shall be shielded against the direct rays of the sun.
3 These Regulations apply to the stationary bulk storage facilities for liquefied petroleum gases on the right-of-way owned or leased by any railway company subject to the jurisdiction of the Commission.
1 These Regulations may be cited as the Liquefied Petroleum Gases Bulk Storage Regulations.