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APPENDIX G SWIMMING POOLS, SPAS AND HOT TUBS SECTION AG104 SECTION AG101 SPAS AND HOT TUBS GENERAL AG104.1 Permanently installed spas and hot tubs.Petma- AG101.1 General.The provisions of this appendix shall con- nently installed spas and hot tubs shall be designed and con- trol the design and construction of swimming pools,spas and strutted in conformance with ANSI/NSPI-3 as listed in hot tubs installed in or on the lot of a one-or two-family dwell- Section AG 108.. ing. AG104.2 Portable spas and hot tubs.Portable spas and hot tubs shall be designed and constructed in conformance with SECTION AG102 ANSI/NSPI-6 as listed in Section AG108. DEFINITIONS AG102.1 General.For the purposes of these requirements,the SECTION AG105 terms used shall be defined as follows and as set forth in Chap- BARRIER REQUIREMENTS ter 2. AG105.1 Application. The provisions of this chapter shall ABOVE-GROUND/ON-GROUND POOL. See "Swim- control the design of barriers for residential swimming pools, ming pool." spas and hot tubs. These design controls are intended to pio- BARRIER. A fence, wall, building wall or combination vide protection against potential drownings and near- thereof which completely surrounds the swimming pool and drownings by restricting access to swimming pools, spas and obstructs access to the swimming pool. hot tubs. AG1VJ.2 "Uii i Svriiill➢iillg pum. Au uuiduur swimming riuI"1'Ut3.See"Swimming pool:' pool, including an in-ground, above-ground or on-ground IN-GROUND POOL.See"Swimming pool." pool,hot tub or spa shall be surrounded by a barrier which shall RESIDENTIAL.That which is situated on the premises of a comply with the following: detached one- or two-family dwelling or a one-family town- 1. The top of the barrier shall be at least 48 inches (1219 house not more than three stories in height. mm) above grade measured on the side of the barrier which faces away from the swimming pool. The maxi- SPA,NONPORTABLE.See"Swimming pool" mum vertical clearance between grade and the bottom of SPA, PORTABLE. A nonpermanent structure intended for the barrier shall be 2 inches (51 mm) measured on the recreational bathing, in which all controls, waler-heating and side of the barrier which faces away froui the swi,uming water-circulating equipment are an integral part of the product. pool.Where the top of the pool structure is above grade, such as an above-ground pool, the barrier may be at SWIMMING POOL. Any structure intended for swimming ground level, such as the pool structure,or mounted on or recreational bathing that contains water over 24 inches(6 10 top of the pool structure.Where the barrier is mounted on mm) deep. This includes in-ground, above-ground and top of the pool structure,the maximum vertical clearance on-ground swimming pools,hot tubs and spas. between the top of the pool structure and the bottom of SWIMMING POOL,INDOOR.A swimming pool which is the barrier shall be 4 inches(102 mm). totally contained within a structure and surrounded on all four 2. Openings in the barrier shall not allow passage of a sides by the walls of the enclosing structure. 4-inch-diameter(102 mm)sphere. SWIMMING POOL, OUTDOOR. Any swimming pool 3. Solid barriers which do not have openings, such as a which is not an indoor pool. masonry or stone wall,shall not contain indentations or protrusions except for normal construction tolerances and tooled masonry joints. SECTION AG103 4. Where the barrier is composed of horizontal and vertical SWIMMING POOLS members and the distance between the tops of the hori- AG103.1 In-ground pools.In-ground pools shall be designed zontal members is less than 45 inches (1143 mm), the and constructed in conformance with ANSUNSPI-5 as listed in horizontal members shall be located on the swimming Section AG 108. pool side of the fence. Spacing between vertical mem- bers shall not exceed 13/4 inches (44 mm) in width. AG103.2 Above-ground and on-ground pools. Above- Where there are decorative cutouts within vertical mem- ground and on-ground pools shall be designed and constructed bers, spacing within the cutouts shall not exceed 13/4 in conformance with ANSI/NSPI-4 as listed in Section AG 108. inches(44 mm)in width. 2006 INTERNATIONAL RESIDENTIAL CODE® B09