Chapter 31A — SYSTEMS FOR WINDOW CLEANING OR EXTERIOR BUILDING
Section 3109B — POOL GEOMETRY
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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3109B.1 General. ¶
3109B.1 General. A pool shall conform to the appropriate criteria in Figures 31B-1 through 31B-7. Exception: A special purpose pool may be exempted from construction standards that are not applicable to the proposed use. 31B-6 2025 CALIFORNIA BUILDING CODE on Jul 18, 2025 11:14 AM (CDT) THEREUNDER. PUBLIC POOLS
3109B.2 Dimensional tolerances. ¶
3109B.2 Dimensional tolerances. A construction tolerance shall be permitted on all dimensions in Figures 31B-1 through 31B-3 not to exceed 2 inches (51 mm) except that the tolerance of the water level of a pool with a nonadjustable overflow system shall not exceed [1] / 8 inch (3.2 mm).
3109B.3 Bottom slope break. ¶
3109B.3 Bottom slope break. Any portion of a pool having a water depth of 4 [1] / 2 feet (1372 mm) or less shall have a uniform slope that shall not exceed 1 foot (305 mm) of vertical in 10 feet (3050 mm) of horizontal. In pools with water depths greater than 4 [1] / 2 feet (1372 mm) the slope shall meet the requirements in Figures 31B-1 through 31B-3. There shall be a uniform water depth along the entire base of the stairs.