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

PUBLISHER’S NOTE: The secretary of state has determined that the publication of the entire text of the material which is incorporated by reference as a portion of this rule would be unduly cumbersome or expensive. Therefore, the material which is so incorporated is on file with the agency who filed this rule, and with the Office of the Secretary of State. Any interested person may view this material at either agency’s headquarters or the same will be made available at the Office of the Secretary of State at a cost not to exceed actual cost of copy reproduction. The entire text of the rule is printed here. This note refers only to the incorporated by reference material.

SUMMARY: The scope of National Fire Protection Association (NFPA) Manual No. 54, National Fuel Gas Code, 1999 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, 1999 edition are incorporated herein by reference. 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 2000.* 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. Amended: Filed Dec. 3, 2001, effective June 30, 2002. *Original authority: 261.023.6, RSMo 1973 and 323.020, RSMo 1947, amended 1994, 1998.