Section 445A.6722 - Cross-connections and backflow: Design of fire sprinkler systemThe designer of a fire sprinkler system shall ensure that, based upon the placement of any reduced pressure principle assembly or reduced pressure detector assembly:
1. An antifreeze loop or the total line of the fire sprinkler system is able to accommodate the thermal expansion of any antifreeze; or2. If necessary, an expansion tank is provided to accommodate the thermal expansion of any antifreeze.Nev. Admin. Code § 445A.6722
Added to NAC by Bd. of Health, eff. 2-20-97