In all buildings where dual water distribution systems, one potable water and the other nonpotable water, are installed each system shall be identified either by color marking or metal tags as required in ANSI A 13.1-1959 or other appropriate method as may be approved by the administrative authority.
General Authority: NDCC 43-18.1-03
Law Implemented: NDCC 43-18.1-04
N.D. Admin Code 62-04-07-02