419.1 Scope. The provisions of this section apply
to the design and construction of barriers for swimming pools located on the premises of
Group R, Division 3 Occupancies.
419.2 Standards of Quality. In addition to the
other requirements of this code, safety covers for pools and spas shall meet the
requirements for pool and spa safety covers as listed below. The standard listed below is
a recognized standard. (See Section 3504.)
1. ASTM F 1346, Standard Performance Specification for Safety
Covers and Labeling Requirement for All Covers for Swimming Pools, Spas and Hot Tubs
SECTION 420 -- DEFINITIONS
For the purpose of this section, certain terms, words and phrases
are defined as follows:
ABOVEGROUND/ON-GROUND POOL. See definition of
"swimming pool."
BARRIER is a fence, wall, building wall or
combination thereof that completely surrounds the swimming pool and obstructs access to
the swimming pool.
GRADE is the underlying surface, such as earth or
a walking surface.
HOT TUB. See definition of "spa,
nonself-contained" and "spa, self-contained."
IN-GROUND POOL. See definition of "swimming
pool."
SEPARATION FENCE is a barrier that separates all
doors of a dwelling unit with direct access to a swimming pool from the swimming pool.
SPA, NONSELF-CONTAINED, is a hydromassage pool or
tub for recreational or therapeutic use, not located in health-care facilities, designed
for immersion of users and usually having a filter, heater and motor-driven blower. It may
be installed indoors or outdoors, on the ground or on a supporting structure, or in the
ground or in a supporting structure. A nonself-contained spa is intended for recreational
bathing and contains water over 24 inches (610 mm) deep.
SPA, SELF-CONTAINED, is a continuous-duty
appliance in which all control, water-heating and water-circulating equipment is an
integral part of the product, located entirely under the spa skirt. A self-contained spa
is intended for recreational bathing and contains water over 24 inches (610 mm) deep.
SWIMMING POOL is any structure intended for
swimming or recreational bathing that contains water over 24 inches (610 mm) deep. This
includes in-ground, aboveground and on-ground swimming pools, and fixed-in-place wading
pools.
SWIMMING POOL, INDOOR, is a swimming pool that is
totally contained within a residential structure and surrounded on all four sides by walls
of said structure.
SWIMMING POOL, OUTDOOR, is any swimming pool that
is not an indoor pool.
SECTION 421 - REQUIREMENTS
421.1 Outdoor Swimming Pool. An outdoor swimming
pool shall be provided with a barrier that shall he installed, inspected and approved
prior to plastering or filling with water. The barrier 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 that faces away from the swimming pool.
The maximum vertical clearance between grade and the bottom of the barrier shall be 2
inches (51 mm) measured on the side of the barrier that faces away from the swimming pool.
The maximum vertical clearance at the bottom of the barrier may be increased to 4 inches
(102 mm) when grade is a solid surface such as a concrete deck, or when the barrier is
mounted on the top of the aboveground pool structure. When barriers have horizontal
members spaced less than 45 inches (1143 mm) apart, the horizontal members shall be placed
on the pool side of the barrier. Any decorative design work on the side away from the
swimming pool, such as protrusions, indentations or cutouts, which render the barrier
easily climbable, is prohibited.
2. Openings in the barrier shall not allow passage of a
13/4-inch-diameter (44.5 mm) sphere.
EXCEPTIONS:
1. When vertical spacing between such openings
is 45 inches (1143 mm) or more, the opening size may he increased such that the passage of
a 4-inch-diameter (102 mm) sphere is not allowed.
2. For fencing composed of vertical and horizontal members, the
spacing between vertical members may be increased up to 4 inches (102 mm) when the
distance between the tops of horizontal members is 45 inches (1143 mm) or more.
3. Chain link fences used as the barrier shall not be less than 11
gage.
4. Access gates shall comply with the requirements of Items I
through 3. Pedestrian access gates shall be self-closing and 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, (1) the release mechanism shall be located on
the pool side of the barrier at least 3 inches (76 mm) below the top of the gate, and (2)
the gate and barrier shall have no opening greater than 1/2 inch (12.7 mm within 18 inches
(457 mm) of the release mechanism. Pedestrian gates shall swing away from the pool. Any
gates other than pedestrian access gates shall be equipped with lockable hardware or
padlocks and shall remain locked at all times when not in use.
5. Where a wall of a Group R, Division 3 Occupancy dwelling unit
serves as part of the barrier and contains door openings between the dwelling unit and the
outdoor swimming pool that provide direct access to the pool, a separation fence meeting
the requirements of Items 1, 2, 3 and 4 of Section 421.1 shall be provided.
EXCEPTION: When approved by the building official, one of the
following may be used:
1. Self-closing and self-latching devices installed on all doors
with direct access to the pool with the release mechanism located a minimum of 54 inches
(1372 mm) above the floor.
2. An alarm installed on all doors with direct access to the pool.
The alarm shall sound continuously for a minimum of 30 seconds within seven seconds after
the door and its screen, it present, are opened, and be capable of providing a sound
pressure level or not less than 85 dBA when measured indoors at 10 feet (3048 mm). The
alarm shall automatically reset under all conditions. The alarm system shall be equipped
with a manual means, such as a touchpad or switch, to temporarily deactivate the alarm for
a single opening. Such deactivation shall last no longer than 15 seconds. The deactivation
switch shall be located at least 54 inches (1372 mm) above the threshold of the door.
3.Other means of protection may be acceptable so long as the
degree of protection afforded is not less than that afforded by any of the devices
described above.
6. Where an aboveground 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, then (1) the ladder or steps shall be capable of being secured, locked or
removed to prevent access or (2) the ladder or steps shall he surrounded by a barrier that
meets the requirements of Items 1 through 5. When the ladder or steps are secured, locked
or removed, any opening created shall be protected by a barrier complying with Items 1
through 5.
421.2 Indoor Swimming Pool. For an indoor
swimming pool, protection shall comply with the requirements of Section 421.1, Item 5.
421.3 Spas and Hot Tubs. For a nonself-contained
and self-contained spa or hot tub, protection shall comply with the requirements of
Section 421.1.
EXCEPTION: A self-contained spa or hot tub
equipped with a listed safety cover shall be exempt from the requirements of Sec 421.1