Los Angeles Municipal Code § 57.6112 Bulk Distribution Stations

Every liquefied flammable gas Bulk Distributing Station shall be entirely surrounded by a substantial fence at least 5 feet high with adequate gates. No tank vehicle or railroad liquefied flammable gas tank car shall be loaded or unloaded at any Bulk Distributing Station, unless it is completely within such fenced enclosure.

No tank vehicle shall be propelled backwards from such enclosure into any street, alley or public way. All driveways used in connection with any such liquefied flammable gas Bulk Distributing Station shall be so arranged that vehicles other than railroad cars can travel into or out of the fenced enclosure of such Bulk Distributing Station only in a forward direction.

Tank vehicles shall be filled only at a liquefied flammable gas Bulk Distributing Station.

An electrical power control switch shall be located at every transfer apparatus where electric power is used in connection with any such transfer apparatus pump for loading or unloading. In addition thereto, a control switch shall be located at a remote point. Both power control switches shall be conspicuously labeled with a legible sign indicating the location and function thereof.