Storage of portable LP-gas containers of 1,000 pounds (454 kg) or less, whether filled, partially filled or empty, at consumer sites or distribution points, and for resale by dealers or resellers shall comply with Sections 6109.2 through 6109.15.1.
LP-gas containers shall not be stored in a basement, pit or similar location where heavier-than-air gas might collect. LP-gas containers shall not be stored in above-grade underfloor spaces or basements unless such location is provided with an approved means of ventilation.
Exception: Department of Transportation (DOTn) specification cylinders with a maximum water capacity of 21/2 pounds (1 kg) for use in completely self-contained hand torches and similar applications. The quantity of LP-gas shall not exceed 20 pounds (9 kg).
The construction of such buildings and rooms shall comply with requirements for Group H occupancies in the California Building Code, Chapter 10 of NFPA 58 and both of the following:
- Adequate vents shall be provided to the outside at both top and bottom, located not less than 5 feet (1524 mm) from building openings.
- The entire area shall be classified for the purposes of ignition source control in accordance with Section 6.22 of NFPA 58.
SEPARATION FROM EXPOSURES OF LP-GAS CONTAINERS AWAITING USE, RESALE OR EXCHANGE STORED OUTSIDE OF BUILDINGS
|QUANTITY OF LP-GAS STORED (pounds)||MINIMUM SEPARATION DISTANCE FROM STORED LP-GAS CYLINDERS TO (feet):|
|Nearest important building or group of buildings or line of adjoining property that may be built upon||Line of adjoining property occupied by schools, places of religious worship, hospitals, athletic fields or other points of public gathering; busy thoroughfares; or sidewalks||LP-gas dispensing station||Doorway or opening to a building with two or more means of egress||Doorway or opening to a building with one means of egress||Combustible materials||Motor vehicle fuel dispenser|
|720 or less||0||0||5||5||10||10||20|
|721 — 2,500||0||10||10||5||10||10||20|
|2,501 — 6,000||10||10||10||10||10||10||20|
|6,001 — 10,000||20||20||20||20||20||10||20|
For SI: 1 foot = 304.8 mm, 1 pound = 0.454 kg.
- Cylinders shall be secured in a lockable, ventilated metal cabinet or other approved enclosure.
- Cylinders shall be accessible only by authorized personnel or by use of an automated exchange system in accordance with Section 6109.15.1.
- A sign shall be posted on the entry door of the business operating the cylinder exchange stating "DO NOT BRING LP-GAS CYLINDERS INTO THE BUILDING" or similar approved wording.
- An emergency contact information sign shall be posted within 10 feet (3048 mm) of the cylinder storage cabinet. The content, lettering, size, color and location of the required sign shall be as required by the fire code official.
- The vending system shall only permit access to a single cylinder per individual transaction.
- Cabinets storing cylinders shall be designed such that cylinders can only be placed inside when they are oriented in the upright position.
- Devices operating door releases for access to stored cylinders shall be permitted to be pneumatic, mechanical or electrically powered.
- Electrical equipment inside of or within 5 feet (1524 mm) of a cabinet storing cylinders, including but not limited to electronics associated with vending operations, shall comply with the requirements for Class I, Division 2 equipment in accordance with the California Electrical Code.
- A manual override control shall be permitted for use by authorized personnel. On newly installed cylinder exchange stations, the vending system shall not be capable of returning to automatic operation after a manual override until the system has been inspected and reset by authorized personnel.
- Inspections shall be conducted by authorized personnel to verify that all cylinders are secured, access doors are closed and the station has no visible damage or obvious defects that necessitate placing the station out of service. The frequency of inspections shall be as specified by the fire code official.