Local Modifications to Section 609 “Installation, Testing, Unions and Location” of the California Plumbing Code
San Diego Municipal Code § 147.0206
in effect§147.0206 Local Modifications to Section 609 “Installation, Testing, Unions and Location” of the California Plumbing Code
(a) Section 609.3.of the California Plumbing Code is adopted with additions and modifications pursuant to Sections 147.0104 and 147.0105 of the Land Development Code.
(b) Section 609.3.1 of the California Plumbing Code is added as follows:
(1) Metallic piping providing potable water distribution within dwelling units shall not be permitted to be installed under a concrete floor slab.
(2) Exception: Metallic piping serving island fixtures, such as kitchen island sinks and similar plumbing fixtures, and metallic piping serving trap seal primers protecting floor drain traps pursuant to Section 1007.0, shall be installed without joints and the installation shall satisfy the following requirements:
(A) The metallic piping shall be installed within a watertight continuous pipe sleeve that prevents direct contact between the metallic piping and under-slab soils.
(B) During construction, the protective pipe sleeve shall be capped at its ends until the metallic piping is installed.
(C) Flexible couplings or caulking shall be used to close the gap between the metallic piping and the protective sleeve and shall prevent water from entering the void created between the metallic piping and the protective sleeve.
(D) The inner walls of the protective sleeve and the metallic piping shall be free of soil particles and other foreign substances.
(“Local Modifications to Section 609 “Installation, Testing, Unions and Location” of the California Plumbing Code” added 7-31-2012 by O-20187 N.S.; effective 8-30-2012.)
(Amended 4-6-2016 by O-20624 N.S.; effective 5-6-2016.)
Source: City of San Diego Office of the City Clerk, San Diego Municipal Code and City Charter (docs.sandiego.gov PDFs)URL: https://docs.sandiego.gov/municode/MuniCodeChapter14/Ch14Art07Division02.pdf#page=2Fetched: 10/28/2026