Chapter 5 of 73% of exam

Commercial Swimming Pools/Spas

Commercial Swimming Pools/Spas is about 3% of the C-53 exam: public-pool code requirements, disabled access features, and access ramps and lifts. This page is a short survey; the PrepPass C-53 Swimming Pool study guide teaches each knowledge statement with worked examples and a full practice exam at CSLB's weights.

Public pool code

Chapter 31B governs public pools.

Plan approval
Enforcing agent's written approval before construction and before opening.
2025 CBC §3103B, §3105B
Capacity sign
One user per 20 sq ft (spa one per 10).
2025 CBC §3120B.2

Access

Lifts, sloped entries and ramps.

Entries
Two accessible entries; one if under 300 linear feet and a lift or sloped entry.
2025 CBC §11B-242
Lift
Water 36 to 48 inches deep; 300-pound capacity.
2025 CBC §11B-1009.2

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