Solder joints shall be made in accordance with the methods of ASTM B828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to ASTM B813 shall be applied. The joint shall be soldered with a solder conforming to ASTM B32. The joining of water supply piping shall be made with lead- free solders and fluxes. "Lead free" shall mean a chemical composition equal to or less than 0.2 percent lead.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 19)