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§ 64577. Isolation Valves.

22 CA ADC § 64577Barclays Official California Code of Regulations

Barclays California Code of Regulations
Title 22. Social Security
Division 4. Environmental Health
Chapter 16. California Waterworks Standards
Article 4. Materials and Installation of Water Mains and Appurtenances
22 CCR § 64577
§ 64577. Isolation Valves.
Currentness
As a minimum, isolation valves shall be installed on all new water mains within the distribution system as follows:
(a) No farther than 1,320 linear feet apart on all mains having a diameter of 12 inches or less.
(b) At each tee or crossing connection between mains that have a diameter of 12 inches or less, within 100 feet of the tee or crossing connection with the primary main.
(c) Between the water main and each fire hydrant served by the main.

Credits

Note: Authority cited: Sections 116350, 116375 and 131200, Health and Safety Code. Reference: Sections 116275, 116375, 116535 and 131051, Health and Safety Code.
History
1. New section filed 2-8-2008; operative 3-9-2008 (Register 2008, No. 6).
This database is current through 5/10/24 Register 2024, No. 19.
Cal. Admin. Code tit. 22, § 64577, 22 CA ADC § 64577
End of Document