Minn. R. agency 222, ch. 4714, pt. 4714.0312
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.
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.
Minn. R. agency 222, ch. 4714, pt. 4714.0312