Minnesota Administrative Rules
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1346.0602 SECTION 602 PLENUMS.
IMC Section 602.2.1 is amended by adding a subsection to read as follows:
Section 602.2.1.7. Piping in Plenums. Piping carrying flammable or combustible gases or liquids in a plenum must have all connections made by welding or brazing. No flanges, valves, threaded fittings, unions, or connectors are permitted.
History:
34 SR 537
Published Electronically:
October 23, 2009
Official Publication of the State of Minnesota
Revisor of Statutes