The vitrified clay pipe shall have the joint material on both the bell and spigot ends made of a flexible corrosion and acid-resistant material designed to provide a full compression joint, which material shall be securely bound to the pipe at the factory in molds so shaped as to fabricate a convex ring on the spigot end of the pipe and a symmetrical concave ring in the bell end of the pipe. The material shall be of such dimensions that when the two ends are engaged, a mechanical joint under uniform compression is formed.
During installation, the joint material on both the bell and spigot ends shall be wiped clean and throughly wetted with clean water, or coated with a compound furnished by the manufacturer, to facilitate assembly. The spigot end shall be inserted in the bell and pressure applied until the pipe is properly sealed. The joint, when engaged, shall be flexible enough to allow reasonable deflection in any direction and still maintain uniform compression.
(Ord. 1958-130. Passed 11-25-58; Ord. 2006-022. Passed 3-7-06.)