All joints and connections shall be made gastight and watertight. All cast iron pipe joints shall be firmly packed with oakum or hemp and filled with molten lead, Federal Specification (QQ-L-156) (or most current Federal Specification) not less than 1-inch deep. Lead shall be run in 1 pouring and caulked tight. No paint, varnish or other coatings shall be permitted on the jointing material until after the joint has been tested and approved. All joints in vitrified clay pipe or between the pipe and metals shall be made with approved hot-poured jointing material, approved rubber gaskets, oakum and Sewerite, Am-Vit, or an approved equal method and material. Material for hot-poured joints shall not soften sufficiently to destroy the effectiveness of the joint when subjected to a temperature of 160°F, nor be soluble in any of the wastes carried by the drainage system. The joint shall first be caulked tight with lute, hemp, or similar approved material. Other jointing materials and methods may be used only by approval of the Director of Public Works.
(1992 Code, § 51.34) (Am. Ord. 2005-MC13, passed 10-24-2005) Penalty, see § 51.99