Mich. Admin. Code R. 408.30741c
Current through Vol. 24-19, November 1, 2024
Rule 741c.
Section 608.17.4 of the code is amended to read as follows:
608.17.4. Connections to automatic fire sprinkler systems and standpipe systems. The potable water supply to automatic fire sprinkler and standpipe systems shall be protected against backflow by a double check backflow prevention assembly, a double check fire protection backflow prevention assembly, or a reduced pressure principle fire protection backflow prevention assembly.
Exception: Isolation of the water distribution system is not required for deluge, preaction, or dry pipe systems.
Mich. Admin. Code R. 408.30741c