(1) All aboveground double-walled petroleum storage tank systems must be properly installed in accordance with:

(a) the manufacturer's specifications and/or recommendations;

(b) the appropriate recommended practices adopted by reference in ARM 17.57.104; and

(c) Uniform Fire Code Articles 52, 79 and Appendix II-F, or when applicable, the Uniform Mechanical Code and NFPA 31, and all local fire code and building code ordinances.

(2) Vaults and special enclosures must be installed in accordance with Uniform Fire Code Articles 52, 79 and Appendix II-F, and the conditions set forth in the written approval provided by the department of justice fire prevention and investigation bureau or the local fire official with Uniform Fire Code jurisdiction.