18-29-305.3 Stress and strain.

   Piping in a plumbing system shall be installed so as to prevent strains and stresses that exceed the structural strength of the pipe. Where necessary, provisions shall be made to protect piping from damage resulting from expansion, contraction and structural settlement.

18-29-305.4 Reserved.

Editor's note – Coun. J. 10-14-21, p. 37722, Art. III, § 8, repealed § 18-29-305.4, which pertained to sleeves.

18-29-305.5 Pipes through or under footings or foundation walls.

   Any pipe that passes under a footing or through a foundation wall shall be provided with a relieving arch. Alternatively, a pipe sleeve may be built into the foundation wall. Such sleeve shall be two pipe sizes greater than the pipe passing through the wall.

18-29-305.6 Freezing.

   A water, soil vent or waste pipe shall not be installed outside of a building, in attics or crawl spaces, nor concealed in outside walls or in any other place subjected to freezing temperature, unless adequate provision is made to protect it from freezing by insulation or heat or both. Water service pipe shall be installed not less than 60 inches (1525 mm) below grade.

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.