ADOPTS WITH AMENDMENTS:

International Residential Code 2015 (IRC 2015)

Part I — Administrative

Part II — Definitions

Part III — Building Planning and Construction

Part IV — Energy Conservation

Part V — Mechanical

Part VI — Fuel Gas

Part VII — Plumbing

Part VIII — Electrical

Part IX — Referenced Standards

Heads up: There are no amended sections in this chapter.

Appendix V Swimming Pools, Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.
This appendix is a North Carolina addition and not part of the 2015 International Residential Code.

There will be no underlined text.

(The provisions contained in this appendix are adopted as part of this code.)

Section AV101 General

AMENDMENT
This section has been amended at the state or city level.

AV101.1 General

AMENDMENT
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The provisions of this appendix shall control the design and construction of swimming pools, spas and hot tubs installed in or on the lot of a one- or two-family dwelling.

AV101.2 Pools in Flood Hazard Areas

AMENDMENT
This section has been amended at the state or city level.
Pools that are located in flood hazard areas established by Table R301.2(1), including above-ground pools, on-ground pools and in-ground pools that involve placement of fill, shall comply with Section AV101.2.1 or AV101.2.2.

Exception: Pools located in riverine flood hazard areas that are outside of designated floodways.

AV101.2.1 Pools Located in Designated Floodways

AMENDMENT
This section has been amended at the state or city level.
Where pools are located in designated floodways, documentation shall be submitted to the building official, which demonstrates that the construction of the pool will not increase the design flood elevation at any point within the jurisdiction.

AV101.2.2 Pools Located Where Floodways Have Not Been Designated

AMENDMENT
This section has been amended at the state or city level.
Where pools are located where design flood elevations are specified but floodways have not been designated, the applicant shall provide a floodway analysis that demonstrates that the proposed pool will not increase the design flood elevation more than 1 foot (305 mm) at any point within the jurisdiction.

Section AV102 Definitions

AMENDMENT
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AV102.1 General

AMENDMENT
This section has been amended at the state or city level.
For the purposes of these requirements, the terms used shall be defined as follows and as set forth in Chapter 2.

ABOVE-GROUND/ON-GROUND POOL. See "Swimming pool."

BARRIER. A fence, wall, building wall or combination thereof that completely surrounds the swimming pool and obstructs access to the swimming pool.

HOT TUB. See "Swimming pool."

IN-GROUND POOL. See "Swimming pool."

RESIDENTIAL. That which is situated on the premises of a detached one- or two-family dwelling or a one-family townhouse not more than three stories in height.

SPA, NONPORTABLE. See "Swimming pool."

SPA, PORTABLE. A nonpermanent structure intended for recreational bathing, in which all controls, water-heating and water-circulating equipment are an integral part of the product.

SWIMMING POOL. Any structure intended for swimming or recreational bathing that contains water over 24 inches (610 mm) deep. This includes in-ground, above-ground and on-ground swimming pools, hot tubs and spas.

SWIMMING POOL, INDOOR. A swimming pool which is totally contained within a structure and surrounded on all four sides by the walls of the enclosing structure.

SWIMMING POOL, OUTDOOR. Any swimming pool which is not an indoor pool.

Section AV103 Swimming Pools

AMENDMENT
This section has been amended at the state or city level.

AV103.1 In-Ground Pools

AMENDMENT
This section has been amended at the state or city level.
In-ground pools shall be designed and constructed in conformance with ANSI/NSPI-5 as listed in Section AV108.

AV103.2 Above-Ground and On-Ground Pools

AMENDMENT
This section has been amended at the state or city level.
Aboveground and on-ground pools shall be designed and constructed in conformance with ANSI/NSPI-4 as listed in Section AV108.

AV103.3 Pools in Flood Hazard Areas

AMENDMENT
This section has been amended at the state or city level.
In flood hazard areas established by Table R301.2(1), pools in coastal high hazard areas shall be designed and constructed in conformance with ASCE 24.

Section AV104 Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.

AV104.1 Permanently Installed Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.
Permanently installed spas and hot tubs shall be designed and constructed in conformance with ANSI/NSPI-3 as listed in Section AV108.

AV104.2 Portable Spas and Hot Tubs

AMENDMENT
This section has been amended at the state or city level.
Portable spas and hot tubs shall be designed and constructed in conformance with ANSI/NSPI-6 as listed in Section AV108.

Section AV105 Barrier Requirements

AMENDMENT
This section has been amended at the state or city level.

AV105.1 Application

AMENDMENT
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The provisions of this chapter shall control the design of barriers for residential swimming pools, spas and hot tubs. These design controls are intended to provide protection against potential drownings and near drownings by restricting access to swimming pools, spas and hot tubs.

AV105.2 Outdoor Swimming Pool

AMENDMENT
This section has been amended at the state or city level.
An outdoor swimming pool, including an in-ground, above-ground or on-ground pool, hot tub or spa shall be surrounded by a barrier which shall comply with the following:
  1. The top of the barrier shall be at least 48 inches (1219 mm) above grade measured on the side of the barrier which faces away from the swimming pool. The maximum vertical clearance between grade and the bottom of the barrier shall be 2 inches (51 mm) or 4 inches (102 mm) where concrete or fixed solid material is used measured on the side of the barrier which faces away from the swimming pool. Where the top of the pool structure is above grade, such as an above-ground pool, the barrier may be at ground level, such as the pool structure, or mounted on top of the pool structure. Where the barrier is mounted on top of the pool structure, the maximum vertical clearance between the top of the pool structure and the bottom of the barrier shall be 4 inches (102 mm).
  2. Openings in the barrier shall not allow passage of a 4-inch-diameter (102 mm) sphere.
  3. Solid barriers that do not have openings, such as a masonry or stone wall, shall not contain indentations or protrusions except for normal construction tolerances and tooled masonry joints.
  4. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is less than 45 inches (1143 mm), the horizontal members shall be located on the swimming pool side of the fence. Spacing between vertical members shall not exceed 13/4 inches (44 mm) in width. Where there are decorative cutouts within vertical members, spacing within the cutouts shall not exceed 13/4 inches (44 mm) in width.
  5. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is 45 inches (1143 mm) or more, spacing between vertical members shall not exceed 4 inches (102 mm). Where there are decorative cutouts within vertical members, spacing within the cutouts shall not exceed 13/4 inches (44 mm) in width.
  6. Maximum mesh size for chain link fences shall be a 21/4-inch (57 mm) square unless the fence has slats fastened at the top or the bottom that reduce the openings to not more than 13/4 inches (44 mm).
  7. Where the barrier is composed of diagonal members, such as a lattice fence, the maximum opening formed by the diagonal members shall not be more than 13/4 inches (44 mm).
  8. Access gates shall comply with the requirements of Section AV105.2, Items 1 through 7, and shall be equipped to accommodate a locking device. Pedestrian access gates shall open outward away from the pool and shall be self-closing and have a self-latching device. Gates other than pedestrian access gates shall have a self-latching device. Where the release mechanism of the self-latching device is located less than 54 inches (1372 mm) from the bottom of the gate, the release mechanism and openings shall comply with the following:
    1. The release mechanism shall be located on the pool side of the gate at least 3 inches (76 mm) below the top of the gate; and
    2. The gate and barrier shall have no opening larger than 1/2 inch (12.7 mm) within 18 inches (457 mm) of the release mechanism.
  9. Where a wall of a dwelling serves as part of the barrier, one of the following conditions shall be met:
    1. The pool shall be equipped with a powered safety cover in compliance with ASTM F1346; or
    2. Doors with direct access to the pool through that wall shall be equipped with an alarm that produces an audible warning when the door and/or its screen, if present, are opened. The alarm shall be listed and labeled in accordance with UL 2017. The deactivation switch(es) shall be located at least 54 inches (1372 mm) above the threshold of the door; or
    3. Other means of protection, such as self-closing doors with self-latching devices, which are approved by the governing body, shall be acceptable as long as the degree of protection afforded is not less than the protection afforded by Item 9.1 or 9.2 described above.
  10. Where an above-ground pool structure is used as a barrier or where the barrier is mounted on top of the pool structure, and the means of access is a ladder or steps:
    1. The ladder or steps shall be capable of being secured, locked or removed to prevent access; or
    2. The ladder or steps shall be surrounded by a barrier that meets the requirements of Section AV105.2, Items 1 through 9. When the ladder or steps are secured, locked or removed, any opening created shall not allow the passage of a 4-inch-diameter (102 mm) sphere.

AV105.3 Indoor Swimming Pool

AMENDMENT
This section has been amended at the state or city level.
Walls surrounding an indoor swimming pool shall comply with Section AV105.2, Item 9.

AV105.4 Prohibited Locations

AMENDMENT
This section has been amended at the state or city level.
Barriers shall be located to prohibit permanent structures, equipment or similar objects from being used to climb them.

AV105.5 Barrier Exceptions

AMENDMENT
This section has been amended at the state or city level.
Spas or hot tubs with a safety cover that complies with ASTM F1346, as listed in Section AV107, shall be exempt from the provisions of this appendix.

Section AV106 Entrapment Protection for Swimming Pool and Spa Suction Outlets

AMENDMENT
This section has been amended at the state or city level.

AV106.1 General

AMENDMENT
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Suction outlets shall be designed and installed in accordance with ANSI/APSP-7.

Section AV107 Abbreviations

AMENDMENT
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AV107.1 General

AMENDMENT
This section has been amended at the state or city level.
ANSI
American National Standards Institute
11 West 42nd Street
New York, NY 10036
APSP
Association of Pool and Spa Professionals
NSPI—National Spa and Pool Institute
2111 Eisenhower Avenue
Alexandria, VA 22314
ASCE
American Society of Civil Engineers
1801 Alexander Bell Drive
Reston, VA 98411-0700
ASTM
ASTM International
100 Barr Harbor Drive,
West Conshohocken, PA 19428
UL
Underwriters Laboratories, Inc.
333 Pfingsten Road
Northbrook, IL 60062-2096

Section AV108 Standards

AMENDMENT
This section has been amended at the state or city level.

AV108.1 General

AMENDMENT
This section has been amended at the state or city level.
ANSI/NSPI
ANSI/NSPI-3—99 Standard for Permanently Installed Residential Spas AV104.1
ANSI/NSPI—4-07 Standard for Above-ground/On-ground Residential Swimming Pools AV103.2
ANSI/NSPI-5—2003 Standard for Residential In-ground Swimming Pools AV103.1
ANSI/NSPI-6—99 Standard for Residential Portable Spas AV104.2
ANSI/APSP
ANSI/PSP-7—06 Standard for Suction Entrapment Avoidance in Swimming Pools, Wading Pools, Spas, Hot Tubs and Catch Basins AV106.1
ASCE
ASCE/SEI-24—05 Flood Resistant Design and Construction AV103.3
ASTM
F1346—91 (2003) Performance Specification for Safety Covers and Labeling Requirements for All Covers for Swimming Pools, Spas and Hot Tubs AV105.2, AV105.5
UL
2017—2000 Standard for General-purpose Signaling Devices and Systems—with Revisions through June 2004 AV105.2
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