18-29-305.6.1 Sewer depth.

   The building sewers shall be installed with a minimum of 36 inches (915 mm) of cover.

(Amend Coun. J. 3-27-02, p. 82090, § 3)

18-29-305.6.2 Water main depth.

   Building water mains shall have a minimum ground cover of 60 inches (1525 mm).

18-29-305.7 Waterproofing of openings.

   Joints at the roof around vent pipes shall be made water tight by the use of lead, copper, galvanized steel, or other approved flashing material compatible with the pipe material and roof system. Exterior wall openings shall be made water tight.

18-29-305.8 Protection against physical damage.

   In concealed locations where piping other than cast-iron or galvanized steel is installed through holes or notches in studs, joists, rafters or similar members less than 1 1/2 inches (40 mm) from the nearest edge of the member, the pipe shall be protected by shield plates. Protective shield plates shall be a minimum of 1/16 inches (1.6 mm) thick steel, shall cover the area of the pipe where the member is notched or bored, and shall extend a minimum of 2 inches (50 mm) above sole plates and below top plates.

18-29-305.9 Protection of components of plumbing system.

   Components of a plumbing system installed along alleyways, driveways, parking garages or other locations exposed to damage shall be recessed into the wall or otherwise protected in an approved manner.

18-29-306 Trenching, Excavation and Backfill.

18-29-306.1 Support of piping.

   Buried piping shall be supported throughout its entire length.