All curb valves on line of service pipe or branches underground must be valves with round ways of the same diameter as the pipe with which they are placed. They must have a solid T handle which will turn 360 degrees. Service pipes must be laid at least six feet below the finished surface of the ground. All rods attached to stop valves must not be less than one-third inch square or five-eighths inch round iron, and when they are placed outside the building, they must be boxed up and covered, so as to be accessible at all times in cases of leaks. The owner or occupant of each premises shall keep on file the locational dimensions of the curb box, tied to the nearest corners of the structure being served.
(Prior Code, § 7-155)