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The materials of components and accessories used for permanent inground residential swimming pools shall be suitable for the environment in which they are installed. The materials shall be capable of fulfilling the design, installation and the intended use requirements in the International Residential Code.
The structural design and materials shall be in accordance with the International Residential Code.
The construction tolerance for dimensions for the overall length, width and depth of the pool shall be ± 3 inches (76 mm). The construction tolerance for all other dimensions shall be ± 2 inches (51 mm), unless otherwise specified by the design engineer.
The minimum diving water envelopes shall be in accordance with Table 804.1 and Figure 804.1. Negative construction tolerances shall not be applied to the dimensions of the minimum diving water envelopes given in Table 804.1.
MININUM DIVING WATER ENVELOPE FOR SWIMMING POOLS DESIGNATED TYPES I-Vb
|MINIMUM DEPTHS AT POINT |
|MINIMUM WIDTHS AT POINT |
|MINIMUM LENGTHS BETWEEN POINTS |
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
- The minimum length between points C and D varies based upon water depth at point D and the floor slope between points C and D.
- See Figure 804.1 for location of points.
For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm.
MINIMUM WATER ENVELOPE
Offset ledges shall be not greater than 8 inches (203 mm) in width.
The slope of the floor from the beginning of the shallow end to the deep area floor slope transition point, indicated in Figure 804.1 as point E to point D, shall not exceed 1 unit vertical in 7 units horizontal.
The shallow to deep area floor slope transition point, indicated in Figure 804.1 as point D, shall occur at a depth not less than 33 inches (838 mm) below the design waterline and at a point not less than 6 feet (1829 mm) from the beginning of the shallow end, indicated in Figure 804.1 as point E, except as specified in Section 809.7.
The slope of the floor in the deep end, indicated in Figure 804.1 as point B to point D, shall not exceed a slope of 1 unit vertical in 3 units horizontal.
Manufactured and fabricated diving equipment shall be in accordance with this section. Manufactured and fabricated diving equipment and appurtenances shall not be installed on a Type O pool.
Manufactured diving equipment shall be designed for swimming pool use.
Where manufactured diving equipment is installed, the installation shall be located in the deep area of the pool so as to provide the minimum dimensions as shown in Table 804.1 and shall be installed in accordance with the manufacturer's instructions.
Manufactured diving equipment shall have a permanently affixed label indicating the manufacturer's name and address, the date of manufacture, the minimum diving envelope and the maximum weight limitation.
For the application of Table 804.1, Point A shall be the point from which all dimensions of width, length and depth are established for the minimum diving water envelope. If the tip of the diving board or diving platform is located at a distance of WA or greater from the deep end wall and the water depth at that location is equal to or greater than the water depth requirement at Point A, then the point on the water surface directly below the center of the tip of the diving board or diving platform shall be identified as Point A.
The forward tip of manufactured or fabricated diving equipment shall be located directly above Point A as defined by Section 808.6.
Manufactured diving equipment installation and use instructions shall be provided by the diving equipment manufacturer and shall specify the minimum water dimensions required for each diving board and diving stand combination. The board manufacturer shall indicate the water envelope type by dimensionally relating their products to Point A on the water envelopes as shown in Figure 804.1 and Table 804.1. The board manufacturer shall specify which boards fit on the design pool geometry types as indicated in Table 804.1.
The diving equipment manufacturer shall specify the minimum headroom required above the board tip.
Slides shall be installed in accordance with the manufacturer's instructions.
Pools shall have a means of entry and exit in the shallow area if the design water depth exceeds 24 inches (610 mm) at the shallowest point. Entries and exits shall consist of one or a combination of the following: steps, stairs, ladders, treads, ramps, beach entries, underwater seats, benches, swimouts, mechanical lifts and other approved designs. The means of entry and exit shall be located on the shallow side of the first slope change. Pools having more than one shallow area, including but not limited to center deep, play or sports pools, shall use the same type of entry and exit in all shallow areas. Ladders shall not be installed in a shallow area of a pool.
Treads shall have a minimum unobstructed horizontal depth of 10 inches (254 mm) and a minimum unobstructed surface area of 240 square inches (154 838 mm2).
On shallow end stairs, the bottom riser height is allowed to vary to the floor. The bottom riser must not exceed 12 inches (305 mm) to the floor for the width of the walking surface.
Risers at the centerline shall have a uniform height not greater than 12 inches (305 mm), except the top riser, which shall be permitted to vary in height, but shall not exceed 12 inches (305 mm).
In design water depths exceeding 48 inches (1219 mm), no additional steps shall be required.
The slope of beach and sloping entries used as a pool entrance shall not exceed 1 unit vertical in 7 units horizontal.
Where steps and benches are used in conjunction with sloping entries, the vertical riser distance shall not exceed 12 inches (305 mm). For steps used in conjunction with sloping entries, the requirements of Section 809.6 shall apply.
Surfaces of architectural features shall not be required to comply with the 1 unit vertical in 7 units horizontal slope limitation.
The circulation system equipment shall be sized to provide a turnover of the pool water not less than once every 12 hours. The system shall be designed to provide the required turnover rate based on the manufacturer's specified maximum flow rate of the filter, with a clean media condition of the filter.
Circulation system piping, other than that integrally included in the manufacture of the pool, shall be subject to an induced static hydraulic pressure test (sealed system) at 25 pounds per square inch (psi) (172 kPa) for not less than 15 minutes.
Pressure filter systems shall be provided with a strainer located between the pool and the circulation pump.
In pools where the point of first slope break occurs, a rope and float assembly shall be installed across the width of the pool. The rope assembly shall be located not less than 1 foot (305 mm) and not greater than 2 feet (610 mm) towards the shallow side of the slope break. Rope anchoring devices shall be permanently attached to the pool wall, coping or deck. Rope ends shall attach to the rope anchor devices so that the rope ends can be disconnected from the rope anchor device.