All joints and connections shall be made gas-tight and water-tight. Cast iron pipe joints shall be firmly packed with oakum or hemp and filled with molten lead according to federal specifications, not less than one inch deep. Lead shall be run in one 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 such pipe and metals shall be made with approved hot-poured jointing materials or cement mortar. Other jointing materials and methods may be used only after approval from the authority.
(Ord. 159, passed 2-9-2005)