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Sections 307.2.1 through 307.2.4 shall apply to all pools and spas except for listed and labeled portable residential spas, and listed and labeled portable residential exercise spas.
307.2.1 Materials
Pools and spas and appurtenances thereto shall be constructed of materials that are nontoxic to humans and the environment; that are generally or commonly regarded to be impervious and enduring; that will withstand the design stresses; and that will provide a watertight structure with a smooth and easily cleanable surface without cracks or joints, excluding structural joints, or that will provide a watertight structure to which a smooth, easily cleaned surface/finish is applied or attached. Material surfaces that come in contact with the user shall be finished, so that they do not constitute a cutting, pinching, puncturing or abrasion hazard under casual contact and intended use.
307.2.1.1 Beach Pools
Clean sand or similar material, where used in a beach pool environment, shall be used over an impervious surface. The sand area shall be designed and controlled so that the circulation system, maintenance, safety, sanitation, and operation of the pool are not adversely affected.
307.2.1.2 Compatibility
Assemblies of different materials shall be chemically and mechanically compatible for their intended use and environment.
307.2.2 Materials and Structural Design
Pools and spas shall conform to one or more of the standards indicated in Table 307.2.2. The structural design of pools and spas shall be in accordance with the International Building Code or the International Residential Code, as applicable in accordance with Section 102.7.1 of this code.
TABLE 307.2.2
RESERVOIRS AND SHELLS
MATERIALSTANDARD
Fiberglass reinforced plasticIAPMO Z124.7
PlasticIAPMO Z124.7
Stainless steel (Types 316, 316L, 304, 304L)ASTM A240
TileANSI A108/A118/A136.1
VinylASTM D1593
307.2.2.1 Installation
Equipment for pools and spas shall be supported to prevent damage from misalignment and settling and located so as to allow access for inspection, servicing, removal and repair of component parts.
307.2.3 Freeze Protection
In climates subject to freezing temperatures, outdoor pool and spa shells and appurtenances, piping, filter systems, pumps and motors, and other components shall be designed and constructed to provide protection from damage from freezing.
307.2.4 Surface Condition
The surfaces within public pools and spas intended to provide footing for users shall be slip resistant and shall not cause injury during normal use.

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