Exception: Use with self-contained torch assemblies in accordance with Section 622.214.171.124.
- Any cylinder that fails one or more of the criteria in Item 3 shall not be refilled or continued in service until the condition is corrected.
- Personnel shall be trained and qualified to perform inspections.
- Visual inspection shall be performed in accordance with the following:
- The cylinder is checked for exposure to fire, dents, cuts, digs, gouges, and corrosion according to CGA C-6, Standards for Visual Inspection of Steel Compressed Gas Cylinders, except that paragraph 4.2.1(1) of that standard (which requires tare weight certification), shall not be part of the required inspection criteria.
- The cylinder protective collar (where utilized) and the foot ring are intact and are firmly attached.
- The cylinder is painted or coated to retard corrosion.
- The cylinder pressure relief valve indicates no visible damage, corrosion of operating components, or obstructions.
- There is no leakage from the cylinder or its appurtenances that is detectable without the use of instruments.
- The cylinder is installed on a firm foundation and is not in contact with the soil.
- A cylinder that passed the visual inspection shall be marked with the month and year of the examination followed by the letter "E" (example: 10-01E, indicating requalification in October 2001 by the external inspection method).
- The results of the visual inspection shall be documented, and a record of the inspection shall be retained for a five-year period.
Control of other sources of ignition shall comply with Chapter 3 of this code and Section 6.23 of NFPA 58.
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).
|MINIMUM SEPARATION DISTANCE FROM STORED LP-GAS CYLINDERS TO (feet):|
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
opening to a
building with two or
more means of
opening to a
one means of
|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|
Exception: Vehicle impact protection shall not be required for protection of LP-gas containers where the containers are kept in lockable, ventilated cabinets of metal construction.
- 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 NFPA 70.
- 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.