Where found to be defective or inoperative, the device or assembly shall be repaired or replaced. Such devices or assemblies shall be tested at the time of installation, repair, or relocation and not less than on an annual schedule thereafter, or more often where required by the Authority Having Jurisdiction. Devices or assemblies installed in a potable water supply system for protection against backflow shall be maintained in good working condition by the person or persons having control of such devices or assemblies. Backflow prevention devices and assemblies shall comply with Table 603.2, except for specific applications and provisions as stated in Section 603.5.1 through Section 603.5.21. ![]() Devices or assemblies shall be tested in accordance with recognized standards or other standards acceptable to the Authority Having Jurisdiction. Where a public agency requires a building to use recycled water to flush water closets and urinals in accordance with California Water Code 13554.īefore a device or an assembly is installed for the prevention of backflow, it shall have first been approved by the Authority Having Jurisdiction.For non-residential occupancies, alternate water sources may be allowed as specified in Chapter 15 of this code.For all residential occupancies, alternate water sources may be allowed as specified in Chapter 15 of this code in addition to potable water.Where water delivery is pressurized, piping shall be installed in accordance with the provisions of this chapter. Where water is not piped from a well, spring, cistern or other source, there shall be a minimum reserve of 50 gallons (189 L) of potable water available. For limited-density owner-built rural dwellings, potable water shall be available to the dwelling site, although such water need not be pressurized.Where not deemed necessary for safety and sanitation by the Authority Having Jurisdiction.
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