Minnesota Administrative Rules
Agency 222 - Plumbing Board
Chapter 4714 - PLUMBING CODE
Part 4714.0312 - PROTECTION OF PIPING, MATERIALS, AND STRUCTURES
Current through Register Vol. 48, No. 39, March 25, 2024
Subpart 1. Section 312.7.
UPC section 312.7 is amended to read as follows:
312.7 Fire-Resistant Construction. Piping penetrations of fire-resistance-rated walls, partitions, floors, floor/ceiling assemblies, roof/ceiling assemblies, or shaft enclosures shall be protected in accordance with the State Building Code.
Subp. 2. Section 312.9.
UPC section 312.9 is amended to read as follows:
312.9 Steel Nail Plates. Plastic and copper piping penetrating framing members to within 1 inch (25.4 mm) of the exposed framing shall be protected by steel nail plates not less than No. 18 gauge (0.0478 inches) (1.2 mm) in thickness. The steel nail plate shall extend along the framing member not less than 1-1/2 inches (38 mm) beyond the outside diameter of the pipe or tubing.
Exception: See Minnesota Rules, chapter 1346, Minnesota Mechanical and Fuel Gas Codes.