Oakland Municipal Code Part 5 California Plumbing Code Non-Administrative (Technical) Amendments

Subsection ("3") added.

"Each tenant or owner shall have access to their own water heater and/or water heater controls. A central Mechanical Room is permitted provided that each tenant or owner has access without being compelled to pass through another unit."

(Ord. No. 13861, § 4, 9-15-2025)

Subsection ("5") added.

"(5) PEX shall only be used in installed in conjunction or contact with chemically compatible products. Upon request from the Building Official the installer shall furnish independent testing reports to demonstrate compliance with this requirement. PEX shall be protected from exposure to chemical agents that will either degrade the material or infiltrate into the potable water supply."

(Ord. No. 13861, § 4, 9-15-2025)

Section 713.2 deleted and replaced with the following.

"Section 713.2.1 Performance, maintenance, repair, or abandonment of an existing private sewage disposal system shall conform with the requirements of the Alameda County Department of Environmental Health.

Section 713.2.2 Installation, replacement, repair, maintenance, or modification of a water supply system and piping, in-ground pools, or other infrastructure with respect to an existing private sewage disposal system shall conform with the requirements of the Alameda County Health Department.

Section 713.2.3 New or additional connections of a building sewer, waste pipe, or soil pipe to a proposed or existing private sewage disposal system shall be prohibited.

Section 713.2.4 Proposed increases of the quantity or quality of sewage and liquid waste which may or will exceed the existing designed capacity of a private sewage disposal system shall be prohibited.

Section 713.2.5 Modification or replacement of an existing private sewage disposal system for the purpose of increasing the existing capacity is prohibited."

(Ord. No. 13861, § 4, 9-15-2025)

Delete Sections 902.0, 908.2, and 911.0 of the California Plumbing Code in their entirety.

(Ord. No. 13861, § 4, 9-15-2025)

In Section 912.1, add the following text at the end of the section: "Listed Studor vents shall be permitted to be installed in outdoor sinks for venting purposes when installed as follows: Individual and branch studor vents shall be located not less than 4 inches (102 mm) above the horizontal branch drain or fixture drain being vented. Stack-type studor vents shall be located not less than 6 inches (152 mm) above the flood level rim of the highest fixture being vented. The air admittance valve shall be located within the maximum developed length permitted for the vent."

(Ord. No. 13861, § 4, 9-15-2025)

In Section 1014.1.3 of the California Plumbing Code, add the following sentence at the end of the section:

"Commercial garbage or food waste grinders shall not be installed in produce markets, food markets or similar establishments."

In Section 1014.2.1, at the end of first paragraph, add the following sentence:

"Where the Building Official approves the use of a hydro-mechanical grease interceptor, it shall be sized to a one-minute drainage period using the formula found in table 1014.2.1."

In Section 1014.3.4, add the following new paragraph at the end of the section:

"A properly sized Gravity Interceptor shall be installed where space on site will accommodate the device. When installed in a Parking area, HS 20 rings and covers shall be provided. Where the grease line exceeds twenty-five feet prior to entering the Interceptor, Pretreatment shall be provided."

In Section 1016.2, add the following new paragraph at the end of the section:

"Sand/Oil Interceptors shall be installed at trash enclosures. The enclosure shall be equipped with a method to wash down the enclosure and the enclosure shall be designed to prevent runoff and run-on to ensure protection of the Storm and Sanitary sewers."

(Ord. No. 13861, § 4, 9-15-2025)

In Section 1213.3 of the California Plumbing Code, add the following in the third sentence between welded piping and for piping carrying gas, "piping two inches and larger."

(Ord. No. 13861, § 4, 9-15-2025)

Adopt Appendix A of the California Plumbing Code in its entirety.

(Ord. No. 13861, § 4, 9-15-2025)

Adopt Appendix B of the California Plumbing Code in its entirety.

(Ord. No. 13861, § 4, 9-15-2025)

Adopt Appendix D of the California Plumbing Code in its entirety.

(Ord. No. 13861, § 4, 9-15-2025)

In Appendix D of the California Plumbing Code, add Part D as follows:

Part D—Disposal of Rainwater Drainage

Section D4.1 Rainwater drainage shall not be conveyed to a sanitary sewer.

Section D4.2 Rainwater drainage below main storm drain level shall conform with the requirements of Section 409.

Section D4.3 Approval shall be obtained from the Building Official prior to connecting rainwater drainage directly to a publicly maintained storm water drainage system. Issuance of a permit for such connections shall be discretionary.

Section D4.4 Rainwater drainage may be conveyed by a public street gutter to a publicly maintained storm water drainage system provided such gutter is continuously paved and further provided such drainage is conducted under a public sidewalk and through the curb by methods approved by the Building Official.

Section D4.5 Exterior rainwater piping on that part of a building contiguous with a public walking surface shall be galvanized wrought iron, galvanized steel, or cast-iron piping for not less than five (5) feet above the walking surface.

(Ord. No. 13861, § 4, 9-15-2025)

CPC Appendix I adopt IS 31-2022, IS 33-2019 and TCNA-2022 Handbook in their entirety.

(Ord. No. 13861, § 4, 9-15-2025)