Chapter 6 — WATER SUPPLY AND DISTRIBUTION
610.9 Size of Branches.
California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-12 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Where Table 610.4 is used, the minimum size of each branch shall be determined by the total fixture units served by that branch and then following the steps in Section 610.8. No branch piping shall exceed the total demand in fixture units for the system computed from Table 610.3.
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