1185.04  WATER SYSTEMS.
   (a)   Water Service Lines.  All water service lines shall be installed not less than forty- eight inches (48") below the ground or pavement surface. Services shall be constructed after the street is rough graded and prior to the installation of paved surfaces and curbs.
   (b)   Curb Boxes.  Curb boxes shall be located between the sidewalk and the curb. All curb boxes shall be adjusted to the finished ground surface. A "F" shall be stamped into the face of the curb opposite each curb box before the concrete has set.