§ 51.25 EXTENSIONS AND LATERALS.
   Water main extensions or laterals shall not be less than six-inch mechanical joint, belltite, or bell and spigot type jointing of Class 150 AWWA specifications. Mains shall have not less than 3-1/2 feet of cover at any given point of finished grade or street grade.
(`63 Code, § 914.06) (Res. 130, passed 6-1-64)