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NYC Building Code

§ 3109.5.4.2 — § 3109.5.4.2

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What is NYC BC § 3109.5.4.2?

Quick Answer

This section outlines the required bottom slopes for swimming pools, specifying that shallow areas must slope no steeper than 1:12 and deeper areas no steeper than 1:3 toward the main drains. Applies to swimming pool operators and owners ensuring compliance with design standards.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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3109.5.4.2 Bottom slopes.

BC § 3109.5.4.2

The bottom of the swimming pool shall slope downward toward the main drains. The slope in shallow areas with depths less than 5 feet (1524 mm) shall not exceed 1 unit vertical in 12 units horizontal (8-percent slope). In portions of the swimming pool with depth greater than 5 feet (1524 mm), the slope shall not be steeper than 1 unit vertical in 3 units horizontal (33-percent slope).

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