Building:
| |
1.
|
Painting, papering, tiling, carpentry, cabinets, countertops
and similar finish work.
|
2.
|
Prefabricated swimming pools that are less than 24 inches deep.
|
3.
|
Swings and other playground equipment.
|
Mechanical:
| |
1.
|
Portable heating appliances.
|
2.
|
Portable ventilation appliances.
|
3.
|
Portable cooling units.
|
4.
|
Replacement of any minor part that does not alter approval of
equipment or make such equipment unsafe.
|
5.
|
Portable evaporative coolers.
|
6.
|
Portable-fuel-cell appliances that are not connected to a fixed
piping system and are not interconnected to a power grid.
|
ACCESSIBLE. Signifies access that requires the
removal of an access panel or similar removable obstruction.
|
BARRIER. A permanent fence, wall, building wall,
or combination thereof that completely surrounds the pool or spa and
obstructs the access to the pool or spa. The term "permanent" shall
mean not being able to be removed, lifted, or relocated without the
use of a tool.
|
DESIGN WATERLINE. The center line of the skimmer
or other point as defined by the designer of the pool or spa.
|
HOT TUB — See "spa."
|
IN-GROUND POOL. See "swimming pool."
|
LADDER. A structure for ingress and egress that
usually consists of two long, parallel side pieces joined at intervals
by cross pieces such as treads.
|
ON-GROUND STORABLE POOL. A pool capable of containing
24 inches of water that can be disassembled for storage or transport.
This includes portable pools with flexible or nonridgid walls that
achieve their structural integrity by means of uniform shape, a support
frame or combination thereof, and that can be disassembled for storage.
|
SAFETY COVER. A structure, fabric or assembly,
along with attendant appurtenances and anchoring mechanisms, that
is temporarily placed or installed over an entire pool, spa or hot
tub and secured in place after all bathers are absent from the water.
|
SHALLOW AREAS. Portions of a pool or spa with water
depths of less than five feet.
|
SLIP-RESISTANT. A surface that has been treated
or constructed to significantly reduce the chance of a user slipping.
The surface shall not be an abrasion hazard.
|
SLOPE BREAK. Occurs at the point where the slope
of the pool floor changes to a greater slope.
|
SPA. A product intended for the immersion of persons
in temperature-controlled water circulated in a closed system, and
not intended to be drained and filled with each use. A spa usually
includes a filter, an electric motor, solar or gas heater, a pump
or pumps and a control, and can include other equipment, such as lights,
blowers, and water sanitizing equipment.
|
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.
|
SWIMMING POOL. Any structure intended for swimming
or recreational bathing that is capable of containing water over 24
inches deep. This includes in-ground, above ground and on-ground swimming
pools, hot tubs and spas.
|
SWIMOUT. An underwater seat area that is placed
completely outside of the perimeter shape of the pool. Where located
at the deep end, swimouts are permitted to be used as the deep-end
means of entry and exit to the pool.
|
WATERLINE. See "design waterline."
|
APSP
| |
ANSI/APSP/ICC 7-13: American National Standard for Suction Entrapment
Avoidance in Swimming Pools, Wading Pools, Spas, Hot Tubs, and Catch
Basins
4504.1
| |
ASTM
| |
F1346-91(2010): Standard Performance Specification for Safety
Covers and Labeling Requirements for All Covers for Swimming Pools,
Spas and Hot Tubs
4502.1, 4502.4.2
| |
UL
| |
2017-2008: General Purpose Signaling Devices and Systems- with
revisions through May 2011
4505.4.1
|
CHAPTER 45
|
SWIMMING POOLS
|
SECTION 4501
|
GENERAL
|
4501.1 Scope. The provisions of this chapter shall
govern the general design and construction of pools and spas and related
piping, equipment and materials.
|
SECTION 4502
| ||
BARRIER REQUIREMENTS
| ||
4502.1 General. The provisions of this section
shall apply to the design of barriers for restricting entry into areas
having pools and spas. Where spas or hot tubs are equipped with a
lockable safety cover complying with ASTM F1346 and swimming pools
are equipped with a powered safety cover that complies with ASTM F1346,
the areas where these spas, hot tubs or pools are located shall not
be required to comply with Sections 4502.2 through 4502.7.
| ||
4502.2 Outdoor swimming pools and spas. Outdoor
pools and spas and indoor swimming pools shall be surrounded by a
barrier that complies with Sections 4502.2.1 through 4502.7.
| ||
4502.2.1 Barrier height and clearances. Barrier
heights and clearances shall be in accordance with all of the following:
| ||
1.
|
The top of the barrier shall be not less than 48 inches above
grade where measured from the side of the barrier that faces away
from the pool or spa. Such height shall exist around the entire perimeter
of the barrier and for a distance of three feet measured horizontally
from the outside of the required barrier.
| |
2.
|
The vertical clearance between grade and the bottom of the barrier
shall not exceed two inches for grade surfaces that are not solid,
such as grass or gravel, where measured on the side of the barrier
that faces away from the pool or spa.
| |
3.
|
The vertical clearance between a surface below the barrier to
a solid surface, such as concrete, and the bottom of the required
barrier shall not exceed four inches where measured on the side of
the barrier that faces away from the pool or spa.
| |
4.
|
Where the top of the pool or spa structure is above grade, the
barrier shall be installed on grade or shall be mounted on top of
the pool or spa structure. Where the barrier is mounted on the top
of the pool or spa, the vertical clearance between the top of the
pool or spa and the bottom of the barrier shall not exceed four inches.
| |
4502.2.2 Openings. Openings in the barrier shall
not allow passage of a four-inch-diameter sphere.
| ||
4502.2.3 Solid barrier surfaces. Solid barriers
that do not have openings shall not contain indentations or protrusions
that form handholds and footholds, except for normal construction
tolerances and tooled masonry joints.
| ||
4502.2.4 Mesh fence as a barrier. Mesh fences,
other than chain-link fences in accordance with Section 4502.2.7,
shall be installed in accordance with manufacturer's instructions
and shall comply with the following:
| ||
1.
|
The bottom of the mesh fence shall not be more than one inch
above the deck or installed surface or grade.
| |
2.
|
The maximum vertical clearance from the bottom of the mesh fence
and the solid surface shall not permit the fence to be lifted more
than four inches from grade or decking.
| |
3.
|
The fence shall be designed and constructed so that it does
not allow passage of a four-inch sphere under any mesh panel. The
maximum vertical clearance from the bottom of the mesh fence and the
solid surface shall not permit the fence to be lifted more than four
inches from grade or decking.
| |
4.
|
An attachment device shall attach each barrier section at a
height not lower than 45 inches above grade. Common attachment devices
include, but are not limited to, devices that provide the security
equal to or greater than that of a hook-and-eye-type latch incorporating
a spring-actuated retaining lever such as a safety gate hook.
| |
5.
|
Where a hinged gate is used with a mesh fence, the gate shall
comply with Section 4502.3.
| |
6.
|
Patio deck sleeves such as vertical post receptacles that are
placed inside the patio surface shall be of a nonconductive material.
| |
7.
|
Mesh fences shall not be installed on top of onground pools.
| |
4502.2.5 Reserved.
[Repealed 9-6-2022 by Ord. No. 7857] | ||
4502.2.6 Reserved.
[Repealed 9-6-2022 by Ord. No. 7857] | ||
4502.2.7 Chain link dimensions. The maximum opening
formed by a chain-link fence shall be not more than 2 1/2 inches.
Where the fence is provided with slats fastened at the top or the
bottom that reduce the openings, such openings shall be not greater
than 1 3/4 inches.
| ||
4502.2.8 Diagonal members. Where the barrier is
composed of diagonal members, the maximum opening formed by the diagonal
members shall not be more than 1 3/4 inches. The angle of diagonal
members shall not be greater than 45° from vertical.
| ||
4502.2.9 Clear zone. There shall be a clear zone
of not less than 36 inches between the exterior of the barrier and
any permanent structures or equipment such as pumps, filters and heaters
that can be used to climb the barrier.
| ||
4502.2.10 Poolside barrier setbacks. The pool or
spa side of the required barrier shall be not less than 20 inches
from the water's edge.
| ||
4502.3 Gates. Access gates shall comply with the
requirements of Section 4502.3.1 through 4502.3.3 and shall be equipped
to accommodate a locking device. Pedestrian access gates shall open
outward away from the pool or spa, shall be self-closing and have
a self-latching device.
| ||
4502.3.1 Utility or service gates. Gates not intended
for pedestrian use, such as utility or service gates, shall remain
locked while not in use.
| ||
4502.3.2 Double or multiple gates. Double gates
or multiple gates shall have not less than one leaf secured in place
and the adjacent leaf shall be secured with a self-closing and self-latching
device. The gate and barrier shall not have an opening larger than
1/2 inch within 18 inches of the latch release mechanism. The self-latching
device shall comply with the requirements of Section 4502.3.3.
| ||
4502.3.3 Latches. Where the release mechanism of
the self-latching device is located less than 54 inches from grade,
the release mechanism shall be located on the pool or spa side of
the gate not less than three inches below the top of the gate, and
the gate and barrier shall not have openings greater than 1/2 inch
within 18 inches of the release mechanism.
| ||
4502.4 Structure wall as a barrier. Where a wall
of a dwelling or structure serves as part of the barrier and where
doors provide direct access to the pool or spa through that wall,
one of the following shall be required:
| ||
1.
|
Doors shall have an alarm that produces an audible warning when
the door or its screen is opened. The alarm shall be listed and labeled
as a water hazard entrance alarm in accordance with UL 2017. The alarm
system shall be equipped with a manual means, such as touch pad or
switch, to temporarily deactivate the alarm for a single opening.
The operable parts of the alarm deactivation switch(es) shall be located
54 inches or more above the finished floor.
| |
2.
|
A safety cover that is listed and labeled in accordance with
ASTM F1346 is installed for the pool or spa.
| |
3.
|
An approved means of protection, such as self-closing doors
with self-latching devices, is provided. Such means of protection
shall provide a degree of protection that is not less than the protection
afforded by Item 1 or 2.
| |
4502.5 Onground pool structure as a barrier. An
onground pool wall structure or a barrier mounted on top of an onground
pool wall structure shall serve as a barrier where all of the following
conditions are present:
| ||
1.
|
Where only the pool wall serves as the barrier, the bottom of
the wall is on grade, the top of the wall is not less than 48 inches
above grade for the entire perimeter of the pool and the wall complies
with the requirements of Section 4502.2.
| |
2.
|
Where a barrier is mounted on top of the pool wall, the top
of the barrier is not less than 48 inches above grade for the entire
perimeter of the pool and the wall and the barrier on top of the wall
comply with the requirements of Section 4502.2.
| |
3.
|
Ladders or steps used as a means of access to the pool are capable
of being secured, locked or removed to prevent access except where
the ladder or steps are surrounded by a barrier that meets the requirements
of Section 4502.2.
| |
4.
|
Openings created by the securing, locking or removal of ladders
and steps do not allow the passage of a four-inch-diameter sphere.
| |
5.
|
Barriers that are mounted on top of onground pool walls are
installed in accordance with the pool manufacturer's instructions.
|
SECTION 4503
| ||
DIMENSIONAL DESIGN
| ||
4503.1 Floor slope. The slope of the floor from
the point of the first slope change to the deep area shall not exceed
one unit vertical in three units horizontal (33% slope).
| ||
Exception: Portable spas and portable exercise
spas.
| ||
4503.2 Walls. Walls shall intersect with the floor
at an angle or transition profile. Where a transitional profile is
provided at water depths of three feet or less, a transitional radius
shall not exceed six inches and shall be tangent to the wall and is
permitted to be tangent or intersect the floor.
| ||
Exceptions:
| ||
1.
|
Portable spas and portable exercise spas.
| |
2.
|
Onground storable pools.
| |
4503.3 Shape. This chapter is not intended to regulate
the shape of a pool or spa other than to take into account the effect
that a given shape will have on the safety of the occupants and to
maintain the minimum required level of circulation to ensure sanitation.
|
SECTION 4504
| |
SUCTION ENTRAPMENT AVOIDANCE
| |
4504.1 General. Suction entrapment avoidance for
pools and spas shall be provided in accordance with APSP 7.
| |
Exception: Portable spas and portable exercise
spas listed and labeled in accordance with UL 1563 or CSA C22.2 No.
218.1.
|
SECTION 4505
| ||
PUMPS AND MOTORS
| ||
4505.1 General. The provisions of this section
apply to pumps and motors for pools and spas.
| ||
Exceptions:
| ||
1.
|
Portable spas and portable exercise spas
| |
2.
|
Onground storable pools supplied by the pool manufacturer as
a kit that includes a pump and motor that is in accordance with Section
4509.5.
| |
4505.2 Performance. A pump shall be provided for
circulation of the pool water. The pump shall be capable of providing
the flow required for filtering the pool water and filter cleaning,
if applicable, against the total dynamic head development by the complete
system.
| ||
4505.3 Intake protection. A cleanable strainer,
skimmer basket, or screen shall be provided for pools and spas, upstream
or as an integral part of circulation pumps, to remove solids, debris,
hair and lint on pressure filter systems.
| ||
4505.4 Location. Pumps and motors shall be acceptable
for inspection and service in accordance with manufacturer's specifications.
| ||
4505.5 Safety. The design, construction and installation
of pumps and component parts shall be in accordance with the manufacturer's
specifications.
| ||
4505.6 Isolation valves. Shutoff valves shall be
installed on the suction and discharge sides of pumps that are located
below the water line. Such valves shall be provided with access.
|
SECTION 4506
| ||
SKIMMERS
| ||
4506.1 General. The provisions of the section apply
to skimmers for pools and spas.
| ||
Exceptions:
| ||
1.
|
Portable spas and portable exercise spas.
| |
2.
|
Ongound storable pools supplied by the pool manufacturer as
a kit that includes a pump and motor that is in accordance with Section
4509.5.
| |
4506.2 Required. Either a surface skimming system
or perimeter overflow system shall be provided for permanent inground
pools and permanent spas. Where installed, surface skimming systems
shall be designed and constructed to create a skimming action on the
pool water surface when the water level in the pool is within operational
parameters.
| ||
Exception: Skimmers that are an integral part of
a spa that has been listed and labeled in accordance with UL 1563
shall not be required to be listed and labeled in accordance with
NSF 50.
| ||
4506.3 Equalizers. Equalizers on skimmers shall
be prohibited.
| ||
4506.4 Hazard. Skimming devices shall be designed
and installed so as not to create a hazard to the user.
|
SECTION 4507
| |
LADDERS AND RECESSED TREADS
| |
4507.1 General. Ladders and recessed treads shall
comply with the provisions of this section and the applicable provisions
of Sections 4509 through 4512 based on the type of pool or spa.
| |
4507.2 Outside diving envelope. Where installed,
steps and ladders shall be locate outside of the minimum diving water
envelope as indicated in Figure 4507.2.
| |
FIGURE 4507.2
MINIMUM WATER DIVING ENVELOPE
| |
4507.3 Ladders. Ladder treads shall have a uniform
horizontal depth of not less than two inches. There shall be a uniform
distance between ladder treads, with a distance of not less than seven
inches and not greater than 12 inches. The top tread of a ladder shall
be located not greater than 12 inches below the top of the deck or
coping. Ladder treads shall have slip-resistant surfaces.
| |
4507.3.1 Wall clearance. There shall be a clearance
of not less than three inches and not greater than six inches between
the pool wall and the ladder.
| |
4507.3.2 Handrails and handholds. Ladders shall
be provided with two handholds or two handrails. The clear distance
between ladder handrails shall be not less than 17 inches and not
greater than 24 inches.
| |
4507.4 Recessed treads. Recessed treads shall have
a minimum depth of not less than five inches and a width of not less
than 12 inches. The vertical distance between the pool coping edge,
deck, or step surface and the uppermost recessed tread shall not be
greater than 12 inches. Recessed treads shall have slip-resistant
surfaces.
| |
4507.4.1 Vertical spacing. Recessed treads at the
center line shall have a uniform vertical spacing of not less than
seven inches and not greater than 12 inches.
| |
4507.4.2 Drainage. Recessed treads shall drain
into the pool.
| |
4507.4.3 Handrails and grab rails. Recessed treads
shall be provided with a handrail or grab rail on each side of the
treads. The clear distance between handrails and grab rails shall
be not less than 17 inches and not greater than 24 inches.
|
SECTION 4508
| ||
SAFETY
| ||
4508.1 Handholds required. Where the depth below
the design water line of a pool or spa exceeds 42 inches, handholds
along the perimeter shall be provided. Handholds shall be located
at the top of deck or coping.
| ||
Exception: Handholds shall not be required where
an underwater bench, seat or swim out is installed.
| ||
4508.1.1 Height above water. Handholds shall be
located not more than 12 inches above the design water line.
| ||
4508.1.2 Handhold type. Handholds shall be one
or more of the following:
| ||
1.
|
Top of pool deck or coping.
| |
2.
|
Secured rope.
| |
3.
|
Rail.
| |
4.
|
Rock.
| |
5.
|
Ledge.
| |
6.
|
Ladder.
| |
7.
|
Stair step.
| |
8.
|
Any design that allows holding on with one hand while at the
side of the pool.
| |
4508.1.3 Handhold spacing. Handholds shall be horizontally
spaced not greater than four feet apart.
| ||
4508.2 Handrails. Where handrails are installed,
they shall conform to this section.
| ||
4508.2.1 Height. The top of the gripping surface
of handrails for pools and spas shall be 30 inches to 38 inches above
the step or finished surface of the slope.
| ||
4508.2.2 Material. Handrails shall be made of corrosion-resistant
materials.
| ||
4508.2.3 Nonremovable. Handrails shall be installed
so that they cannot be removed without the use of tools.
| ||
4508.2.4 Leading edge distance. The leading edge
of handrails for stairs, pool entries and exits shall be located not
greater than 18 inches from the vertical face of the bottom riser.
| ||
4508.2.5 Diameter. The outside diameter or width
of handrails shall be not less than 1 1/4 inches and not greater than
two inches.
| ||
4508.3 Obstructions and entrapment avoidance. There
shall not be obstructions that can cause the user to be entrapped
or injured. Types of entrapment include, but are not limited to, wedge
or pinch-type openings and rigid, nongiving cantilevered protrusions.
|
SECTION 4509
| |
ONGROUND STORABLE SWIMMING POOLS
| |
4509.1 Scope. This section describes certain criteria
for the design, manufacturing, and testing of onground storable pools.
This includes portable pools with flexible or nonridgid side walls
that achieve their structural integrity by means of uniform shape,
support frame or a combination thereof, and that can be disassembled
for storage or relocation. This section incudes what has been commonly
referred to in past standards or codes as onground or above-ground
pools.
| |
4509.1.1 Permanent inground swimming pool. This
section does not apply to permanent inground pools as defined in Section
4510.
| |
4509.2 General. In addition to the requirements
of this section, onground storable swimming pools shall comply with
the requirements of Sections 4501 through 4508.
| |
4509.3 Installation. Onground storable pools shall
be installed in accordance with the manufacturer's instructions.
| |
4509.4 Ladders and stairs. Pools shall have a means
of entry and exit consisting of not less than one ladder or a ladder
and staircase combination.
| |
4509.5 Circulation system. A circulation system
consisting of pumps, hoses, tubing, piping, return inlets, suction
outlets, filters and other related equipment that provides for the
circulation of water throughout the spool shall be located so that
such items cannot be used by young children as a means of access to
the pool.
| |
4509.5.1 Turnover. A pump including a motor shall
be provided for circulation of the pool water. The equipment shall
be sized to provide turnover of the pool water not less than once
every 12 hours.
| |
4509.5.2 Pumps. Pool pumps shall be tested and
certified by a nationally recognized testing laboratory in accordance
with UL 1081.
|
SECTION 4510
|
PERMANENT INGROUND SWIMMING POOLS
|
4510.1 Scope. The provisions of this section shall
govern permanent inground swimming pools. Permanent inground swimming
pools shall include pools that are partially or entirely above grade.
This chapter does not cover pools that are specifically manufactured
for above-ground use and are capable of being disassembled and stored.
This section covers new construction, modification and repair of inground
swimming pools.
|
4510.2 General. In addition to the requirements
of this section, permanent inground pools shall comply with the requirements
of Sections 4501 through 4508.
|
4510.3 Materials of components and accessories. The materials of components and accessories used for permanent inground
swimming pools shall be suitable for the environment in which they
are installed. The materials shall be capable of fulfilling the design,
installation and intended use requirements of the International Residential
Code.
|
4510.4 Structural design. The structural design
and materials shall be in accordance with the International Residential
Code.
|
4510.5 Diving water envelopes. The minimum diving
water envelopes shall be in accordance with Table 4510.1 and Figure
4510.1. Negative construction tolerances shall not be applied to the
dimensions of the minimum diving water envelopes given in Table 4510.1.
|
4510.6 Walls. Walls in the shallow area and deep
area of the pool shall have a wall-to-floor transition point that
is not less than 33 inches below the design water line. Above the
transition point, the walls shall be within 11° of vertical.
| |
4510.7 Offset ledges. Offset ledges shall be not
greater than eight inches in width.
| |
4510.7.1 Reduced width required. Where an offset
ledge is located less than 42 inches below the design waterline, the
width of such ledge shall be proportionally less than eight inches
in width so as to fall within 11° of vertical as measured from
the top of the design waterline.
| |
4510.8 Floor slopes. Floor slopes shall be in accordance
with Sections 4510.8.1 through 4510.8.3.
| |
4510.8.1 Shallow end. The slope of the floor from
the beginning of the shallow end to the deep area floor slope transition
point, indicated in Figure 4510.1 as Point E to Point D, shall not
exceed one unit vertical in seven units horizontal.
| |
4510.8.2 Shallow to deep transition. The shallow
to deep area floor slope transition point, indicated in Figure 4510.1
as Point D, shall occur at a depth of not less than 33 inches below
the design waterline and at a point not less than six feet from the
beginning of the shallow end, indicated in Figure 4510.1 as Point
E.
| |
4510.8.3 Deep end. The slope of the floor in the
deep end, indicated in Figure 4510.1 as Point B to Point D, shall
not exceed a slope of one unit vertical in three units horizontal.
| |
4510.8.4 Shallow end water depths. The design water
depth as measured at the shallowest point in the shallow area shall
be not less than 33 inches and not greater than four feet.
| |
4510.9 Diving equipment. Manufactured diving equipment
shall be designed for swimming pool use.
| |
4510.9.1 Installation. 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 4510.1, and shall be installed in accordance with the manufacturer's
instructions.
| |
4510.9.2 Labeling. 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.
| |
4510.9.3 Slip resistant. Diving equipment shall
have slip-resistant walking surfaces.
| |
4510.9.4 Point A. For the application of Table
4510.1, Point A shall be the point from which all dimensions of width,
length and depth are established for the minimum diving 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.
| |
4510.9.5 Location of pool features in a diving pool. Where a pool is designed for use with diving equipment, the location
of steps, pool stairs, ladders, underwater benches, special features
and other accessory items shall be outside of the minimum diving water
envelope as indicated in Figure 4507.2.
| |
4510.9.6 Stationary diving platforms and diving rocks. Stationary diving platforms and diving rocks built on-site shall
be permitted to be flush with the wall and shall be located in the
diving area of the pool. Point A shall be in front of the wall at
the platform or diving rock center line.
| |
4510.9.7 Location. The forward tip of manufactured
or fabricated diving equipment shall be located directly above Point
A as defined by Section 4510.9.4.
| |
4510.9.8 Elevation. The maximum elevation of a
diving board above the design waterline shall be in accordance with
the manufacturer's instructions.
| |
4510.9.9 Minimum water envelope. Manufactured diving
equipment installation and the 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 4510.1 and Table 4510.1.
| |
4510.9.10 Platform height above waterline. The
height of a stationary diving platform or diving rock above the design
waterline shall not exceed the dimensions in Table 4510.9.
|
TABLE 4510.9
| |
---|---|
DIVING PLATFORM OR APPURTENANCE HEIGHT ABOVE DESIGN WATERLINE
| |
Pool Type
|
Height Inches
|
I
|
42
|
II
|
42
|
III
|
50
|
IV
|
60
|
V
|
69
|
For SI: 1 inch = 25.4 mm.
|
4510.9.11 Headroom above the board. The diving
equipment manufacturer shall specify the minimum headroom required
above the board tip.
| |
4510.10 Slides. Slides shall be installed in accordance
with the manufacturer's instructions.
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4510.11 Entry and exit. Pools shall have a means
of entry and exit in all shallow areas where the design water depth
of the shallow area at the shallowest point exceeds 24 inches. Entries
and exits shall consist of one or a combination of the following:
steps, stairs, ladders, treads, ramps, beach entries, underwater seats,
benches, swimouts and other approved designs. The means of entry and
exit shall be located on the shallow side of the first slope change.
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4510.12 Secondary entries and exits. Where water
depth in the deep area of the pool exceeds five feet, a means of entry
and exit as indicated in Section 4510.11 shall be provided in the
deep end of the pool.
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Exception: Where the required placement of a means
of exit from the deep end of a pool would present a potential hazard,
handholds shall be provided as an alternative for the means of exit.
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4510.13 Over 30 feet in width. Pools over 30 feet
in width at the deep area shall have an entry and exit on both sides
of the deep area of the pool.
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4510.14 Pool stairs. The design and construction
of stairs into the shallow end and recessed pool stairs shall conform
to Sections 4510.14.1 through 4510.14.3.
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4510.14.1 Tread dimension and area. Treads shall
have a minimum unobstructed horizontal depth of 10 inches and a minimum
unobstructed walking surface area of 240 square inches.
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4510.14.2 Riser heights. Risers, other than the
top and bottom riser, shall have a uniform height of not greater than
12 inches. The top riser height shall be any dimension not exceeding
12 inches for the width of the walking surface. The bottom riser height
shall be any dimension not exceeding 12 inches. The top and bottom
riser heights shall not be required to be equal to each other or equal
to the uniform riser height. Riser heights shall be measured at the
horizontal center line of the walking surface area.
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4510.14.3 Additional steps. In design water depths
exceeding 48 inches, additional steps shall not be required.
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4510.15 Maximum depth. The horizontal surface of
underwater seats, benches and swimouts shall not be greater than 20
inches below the design waterline.
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4510.16 Turnover rate. The circulation system equipment
shall be sized to provide a turnover of the pool water not less than
once every 12 hours.
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SECTION 4511
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PERMANENT SPAS AND EXERCISE SPAS
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4511.1 Scope. This section shall govern the design,
installation, construction and repairs of permanently installed spas
and exercise spas.
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4511.2 General. In addition to the requirements
of this section, permanent spas shall comply with the requirements
of Sections 4501 through 4508.
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4511.3 Pumps and motors. Pumps and motors shall
be listed and labelled for use in spas.
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4511.4 Water depth. The maximum water depth for
spas shall be four feet measured from the design waterline, except
for spas that are designed for special purposes and approved by the
authority having jurisdiction. The water depth for exercise spas shall
not exceed six feet six inches measured from the design waterline.
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4511.5 Multilevel seating. Where multilevel seating
is provided, the maximum water depth of any seat or sitting bench
shall be 28 inches, measured from the design waterline to the lowest
measurable point.
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4511.6 Floor slope. The slope of the floor shall
not exceed one unit vertical in 12 units horizontal (8.3% slope).
Where multilevel floors are provided, the change in depth shall be
indicated.
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4511.7 Emergency shutoff switch. One emergency
shutoff switch shall be provided to disconnect power to circulation
and jet system pumps and air blowers. Emergency shutoff switches shall
be accessible, located within sight of the spa and shall be located
not less than five feet but not greater than 10 feet horizontally
from the inside walls of the spa.
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4511.8 Water temperature controls. Components provided
for water temperature controls shall be suitable for the intended
application.
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4511.8.1 Water temperature regulating controls. Water temperature regulating controls shall comply with UL 873 or
UL 372. A means shall be provided to indicate the water temperature
in the spa Exception: Water temperature regulating controls that are
integral to the heating appliance and listed in accordance with the
applicable end use appliance standard.
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SECTION 4512
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PORTABLE SPAS AND EXERCISE SPAS
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4512.1 Scope. This section shall govern the design,
installation, construction and repairs of portable installed spas
and exercise spas.
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4512.2 General. In addition to the requirements
of this section, portable spas shall comply with the requirements
of Sections 4501 through 4508.
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4512.3 Listing. Equipment and appliances shall
be listed and labeled, and installed as required by the terms of their
approval, in accordance with the conditions of the listing, the manufacturer's
instructions and this code.
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4512.4 Certification. Factory-built portable spas
and exercise spas shall be listed and labeled in compliance with UL
1563 or CSA C22.2 No. 218.1
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4512.5 Installation. Spa equipment shall be supported
to prevent damage from misalignment and settling in accordance with
the manufacturer's instructions.
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4512.6 Access. Electrical components that require
placement or servicing shall be accessible.
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