Section 62-04-07-07 - Water supply system materials1.Water distribution system pipe. Water distribution system pipe shall be of brass pipe, copper tube, or copper pipe, galvanized wrought iron pipe, galvanized open-hearth iron pipe, or galvanized steel pipe. Copper tube when used underground shall not be less than type L and when used above ground not less than type M. 2.Fittings. The materials of which water supply system pipe fittings are made shall conform to the type of piping materials used in the water supply system. The fittings shall have no ledges, shoulders, or reductions which can retard or obstruct flow in the piping. 3.Material strength. All materials used for water piping must be suitable for use with the maximum temperature and pressure and velocities that may be encountered in the installation, including temporary increases and surges. General Authority: NDCC 43-18.1-03
Law Implemented: NDCC 43-18.1-04
N.D. Admin Code 62-04-07-07