PURPOSE: This rule regulates the installation of liquified petroleum gas appliances and liquified petroleum gas piping.

PUBLISHER'S NOTE: The publication of the full text of the material that the adopting agency has incorporated by reference in this rule would be unduly cumbersome or expensive. Therefore, the full text of that material will be made available to any interested person at both the Office of the Secretary of State and the office of the adopting agency, pursuant to section 536.031.4, RSMo. Such material will be provided at the cost established by state law.

SUMMARY: The scope of National Fire Protection Association (NFPA) Manual No. 54, National Fuel Gas Code, 1996 edition, is to develop fire safety codes, standards, recommended practices and manuals, as may be considered desirable, covering the installation of piping and appliances using fuel gases such as natural gas, manufactured gas, liquefied petroleum gas and liquefied petroleum gas-air mixture.

1. (1) Standards contained in National Fire Protection Association (NFPA) Manual No. 54, National Fuel Gas Code, 1996 edition are adopted. The balance of this rule sets forth requirements for liquefied petroleum (LPG) applications not covered in the manual.
2. (2) All flexible appliance connectors shall be listed and approved for LPG use.
3. (3) All flexible appliance connectors which are listed and approved for LPG use shall have “Approved for LPG use” and pressure rating stamped or marked on connector.
4. (4) The repair or welding of LPG appliance heat exchangers is strictly prohibited.
5. (5) All appliances, except bunsen burners, ranges or cooktops, installed in public buildings, such as schools, nursing homes or hospitals, shall be equipped with one hundred percent (100%) shut-off safety valves.
6. (6) All science or laboratory rooms using LPG shall have an accessible and marked master shut-off valve located within the science or laboratory room.
7. (7) All home economic, science, kitchen or laboratory rooms shall have an accessible, properly charged fire extinguisher with a minimum rating of twenty (20) ABC (A class-combustible materials, B classflammable liquids, C class-live electrical equipment) located in an accessible location within the room.

AUTHORITY: sections 261.023.6 and 323.020, RSMo 1994.* Original rule filed Jan. 24, 1968, effective Feb. 3, 1968. Amended: Filed Sept. 8, 1969, effective Sept. 18, 1969. Amended: Filed May 13, 1977, effective Jan. 13, 1978. Amended: Filed May 2, 1985, effective Sept. 27, 1985. Amended: Filed March 3, 1989, effective June 29, 1989. Amended: Filed Nov. 13, 1997, effective June 30, 1998. *Original authority: 261.023.6, RSMo 1973 and 323.020, RSMo 1947, amended 1994.