A.
Designation Of Areas. For purposes of computing patron load
within the pool enclosure, those portions of the swimming pool five
(5) feet or less in depth shall be designated the "shallow area".
Those portions of the swimming pool over five (5) feet in depth shall
be designated "deep area."
B.
Area Loading.
1.
Shallow area. Ten (10) square feet of pool water surface
area shall be provided for each patron. Fifteen (15) square feet of
pool water surface area shall be provided for each patron in pools
which are all shallow area.
2.
Deep area. Twenty-five (25) square feet of pool water surface
area shall be provided for each patron.
3.
Diving area. Three hundred (300) square feet of pool water
surface area shall be reserved around each diving board or diving
platform, and this area shall not be included in computing the permissible
patron load.
4.
Excess deck allowance. Additional allowance will be made
on the basis of one (1) additional patron allowed per each fifty (50)
square feet of pool deck in excess of the minimum area of deck required.
A.
All swimming
pools shall be designed and constructed to withstand all anticipated
loading for both full and empty conditions. A hydrostatic relieve
valve and/or a suitable underdrain system shall be provided. The designing
architect or engineer shall be responsible for certifying the structural
stability and safety of the pool in both full and empty conditions.
1.
Shape. The shape of any swimming pool shall be such that
the circulation of pool water and control of swimmers' safety are
not impaired. There shall be no underwater or overhead projections
or obstructions which would endanger patron safety or interfere with
proper pool operation.
2.
Minimum depth. The minimum depth of water in the pool shall
be two and one-half (2½) feet except for special purpose pools.
3.
Bottom slope. The bottom of the pool shall slope toward
the main drain. The slope in water depths less than five (5) feet
shall not exceed one (1) foot vertical in twelve (12) feet horizontal.
4.
Area marked. The boundary line between the shallow and deep
areas shall be marked by a line of contrasting color on the floor
and walls of the pool, and by a safety rope and floats equipped with
float keepers.
5.
Pool walls. Walls of a swimming pool shall be either
a.
Vertical
for water depths of at least six (6) feet; or
b.
Vertical
for a distance of at least three (3) feet below the water level; below
which the wall may be curved to the bottom with a radius not greater
than the difference between the depth at that point and three (3)
feet; provided that vertical is interpreted to permit slopes not greater
than one (1) foot horizontally for each five (5) feet of depth of
sidewall (11° from vertical).
6.
Ledges. Ledges shall not extend into the pool unless they
are essential for support of the upper wall construction.
7.
Diving areas. The minimum dimensions of the swimming pool and appurtenances in the diving area shall conform to Table #1 - Minimum Dimensions for Pools with Diving Equipment, set out in Section 520.340. (Note: These diving area dimensions do not meet the requirements
of NCAA or AAU.) Dimensions for diving pools shall be in
accordance with the Standards of International Amateur Swimming and
Diving Federation (FINA).
a.
Head room. There shall be a completely unobstructed clear
distance of sixteen (16) feet above the diving board measured from
the center of the front end of the board. This area shall extend at
least eight (8) feet behind, eight (8) feet to each side, and sixteen
(16) feet ahead of the measuring point.
b.
Diving boards and platforms. Diving boards and platforms
in excess of three (3) meters in height are prohibited except where
special design considerations and control or use are provided.
c.
Steps and guard rails for diving boards. Supports, platforms
and steps for diving boards shall be of substantial construction and
of sufficient structural strength to safely carry the maximum anticipated
loads. Steps shall be of corrosion-resistant material, easily cleanable
and of non-slip design. Handrails shall be provided at all steps and
ladders leading to diving boards more than one (1) meter above the
water. Platforms and diving boards which are one (1) meter high or
higher shall be protected with guard rails thirty (30) inches high
extending at least to the edge of the water. Boards or platforms three
(3) meters or higher shall have an effective side barrier.
8.
Slides. Slides for use in swimming pools shall conform to
Part 1207-Safety Standard for Swimming Pool Slides of the U. S. Consumer
Product Safety Act.
9.
Ladders, recessed steps and stairs.
a.
Location. Recessed steps, ladders or stairs shall be provided
at the shallow and deep ends. Recessed steps or ladders shall be provided
in the deep portion. If the pool is over thirty (30) feet wide, such
steps, ladders or stairs shall be installed on each side.
b.
Ladders. Pool ladders shall be corrosion-resistant and shall
be equipped with non-slip treads. All ladders shall be so designed
as to provide a handhold. There shall be a clearance of not more than
six (6) inches nor less than three (3) inches between any ladder and
pool wall.
c.
Recessed steps. Recessed steps shall be readily cleanable
and shall be arranged to drain into the pool. Recessed steps shall
have a minimum tread of five (5) inches and a minimum width of fourteen
(14) inches.
d.
Handrails. Where recessed steps or ladders are provided,
there shall be a handrail at the top of each side thereof extending
over the coping or edge of the deck.
e.
Stairs. Where stairs are provided, they shall be located
diagonally in a corner of the pool or be recessed. They shall be equipped
with a handrail. Stairs shall be of non-slip design, have a minimum
tread of twelve (12) inches and a maximum rise of ten (10) inches.
10.
Decks. A deck shall entirely surround the pool. It shall
be not less than five (5) feet wide. The deck shall be of a uniform,
easily cleaned, impervious material and be of slip-resistant construction.
The deck shall be protected from surface runoff.
a.
Slope. The deck shall be sloped at least one-fourth (¼)
inch per foot to deck drains or grade.
b.
Drainage. Deck drains, when used, shall be spaced and arranged
so that not more than four hundred (400) square feet of area is tributary
to each drain and drains shall not be spaced more than twenty-five
(25) feet apart. There shall be no direct connection between the pool
deck drains and the sanitary sewer system, or the pool gutter or recirculation
system.
c.
Roll-out gutters. If the pool is equipped with roll-out
deck level gutters, not more than five (5) feet of deck shall be sloped
toward the gutters.
d.
Carpeting. Carpeting shall not be permitted on pool decks
unless special design considerations are provided and approved by
the department.
e.
Hose bibs. Hose bibs shall be provided to facilitate flushing
of the deck areas.
f.
Spectator areas. There shall be an effective separation
between spectator areas and swimmer areas.
g.
Pool concessions. There shall be complete separation between
areas where food and drink are served and areas used by pool patrons.
11.
Fencing. The deck area must be completely surrounded by
walls and/or fencing not less than four (4) feet high and of a design
that will control the movement of patrons and restrain the entrance
of non-patrons. Any special purpose areas inside the perimeter walls
and/or fence must be fenced or constructed to control traffic. These
areas shall be designed so they will not drain onto the deck. Any
entrance to the pool shall be provided with a self-closing and latching
gate capable of being locked. Opening device for latch on gate or
door shall be at least four (4) feet high, to keep young, unattended
children from gaining access to the pool.
A.
Depth Markings.
1.
Location of depth markings. Depth of water shall be plainly
marked at or above the water surface on the vertical pool wall and
on the edge of the deck, at maximum and minimum points of break between
the deep and shallow portions, and at intermediate increments of depth,
spaced at not more than twenty-five (25) foot intervals measured peripherally.
Markings shall be on both sides and ends of the pool. Where depth
markings cannot be placed on the vertical walls above the water level,
other means shall be used so that the markings will be plainly visible
to person in the pool.
2.
Size of depth markings. Depth markings shall be in numerals
of four (4) inches minimum height and with color contrasting with
background.
B.
Lifeguard Chairs. Swimming pools having an area of more
than two thousand (2,000) square feet of water surface shall be provided
with an elevated lifeguard chair. In pools with four thousand (4,000)
square feet or more of water surface area, additional elevated chairs
or stations shall be provided for each additional two thousand (2,000)
square feet. Chairs should be placed in locations which will eliminate
sun glare on the water, and in positions which will give complete
coverage of the pool within a field of view limited to forty-five
degrees (45°) on either side of direct line of sight extending
straight out from the chair.
C.
Lifesaving Equipment.
1.
Units required. One (1) unit of lifesaving shall be provided
for each two thousand (2,000) square feet of water surface area or
major fraction thereof. A minimum of one (1) unit shall be provided.
2.
Unit composition. One (1) unit of lifesaving equipment shall
consist of the following:
a.
Throwable devices. A U.S. Coast Guard approved ring, eighteen
(18) inches in diameter, or throwing buoy fitted with a one-fourth
(¼) inch diameter line with a length of one and one-half (1½)
times the maximum width of the pool or fifty (50) feet, whichever
is less.
b.
Reaching devices. A life pole, or shepherd's crook type
of pole, having blunted ends with minimum length of twelve (12) feet
and be able to reach to the center of the bottom of the pool at the
deep end.
c.
Location. Lifesaving equipment shall be mounted in conspicuous
places, distributed around the swimming pool deck. Whenever lifeguard
chairs are provided, each shall be equipped with one (1) unit of lifesaving
equipment.
D.
First Aid Equipment. Every swimming pool shall be equipped
with a minimum of a Red Cross standard sixteen (16) unit first-aid
kit, or its equivalent. A spine board should be provided at each pool.
E.
First Aid Room. Swimming pools with a surface area in excess
of four thousand (4,000) square feet should have a readily accessible
room or area designated and equipped for emergency care.
F.
Emergency Exit. An emergency exit from the pool area shall
be provided.
A.
Ventilation. Bathhouses, mechanical equipment rooms, storage
areas and indoor swimming pool enclosures shall be adequately ventilated.
Room ventilation shall prevent direct drafts on swimmers and shall
minimize condensation damage. A heating unit shall be kept from contact
with swimmers. A fuel-burning heating unit shall be properly vented
to the outdoors.
B.
Acoustical Control. Acoustical control shall be provided
for indoor pools.
A.
Water Supply. The source and quality of the water supplied
to the pool and all plumbing fixtures including drinking fountains,
lavatories and showers shall at all times meet the standards of the
department for potable water.
B.
Cross-Connection Control. All portions of the water distribution
system serving the swimming pool and auxiliary facilities shall be
protected against backflow and back-siphonage. Water introduced into
the pool, either directly or to the recirculation system, shall be
supplied through an air-gap or by another method approved by the Department.
C.
Sanitary Wastes. An approved method for disposing of sanitary
sewage shall be provided. Where available, a municipal sanitary sewerage
system shall be used. If a private subsurface disposal system or other
system must be used, approval of the system must be obtained from
the Department.
D.
Pool Waste Water. Pool waste water shall be discharged in
a manner approved by the Department.
E.
Backflow Prevention. The swimming pool and recirculation
system shall be protected against backflow.
A.
A recirculation
system consisting of pumps, piping, filters, water conditioning and
disinfection equipment, and other accessory equipment shall be provided
which will clarify, chemically balance and disinfect the swimming
pool. A minimum turnover of the entire volume in six (6) hours (four
(4) times in twenty-four (24) hours) is required, except that the
recirculation rate shall be increased to provide a two (2) hour turnover
for wading pools.
1.
Capacity. The sizing of pipes, fittings and valves of the
pool recirculation system shall be based on flow velocities not exceeding
six (6) feet per second under suction, ten (10) feet per second under
pressure and three (3) feet per second in gravity.
2.
Color coding. All exposed piping should be color coded in
accordance with the following table:
|
Piping
|
Code Color
| ||
|---|---|---|---|
|
Water Lines
| |||
|
Potable
|
Dark Blue
| ||
|
Recirculation
| |||
|
Filtered
|
Aqua
| ||
|
Skimmer or Gutter Return
|
Olive Green
| ||
|
Main Drain
|
Black
| ||
|
Chemical Line
| |||
|
Chlorine (Gas & Solution)
|
Alum Orange
| ||
|
Soda Ash
|
White
| ||
|
Acid
|
Pink
| ||
|
Waste Lines
| |||
|
Backwash Waste
|
Dark Brown
| ||
|
Sewer (Sanitary or Other)
|
Dark Gray
| ||
|
Acid
|
Pink
| ||
|
Other
| |||
|
Compressed Air
|
Dark Green
| ||
|
Gas
|
Red
| ||
|
Where two (2) colors do not have sufficient contrast to easily
differentiate between them, a six (6) inch band of a contrasting color
should be painted on one (1) pipe at approximately thirty (30) inch
intervals. The name of the liquid or gas and arrows indicating direction
of flow should be painted on the pipe.
|
3.
Overflow systems. All pools shall be designed to provide
continuous skimming (removal of surface water). Make-up water supply
equipment shall be provided to maintain continuous skimming.
a.
Gutters (perimeter overflow systems). The overflow shall
extend completely around the pool. It shall be level within a tolerance
of plus or minus one-eighth (1/8) inch. Piping connections shall be
provided to permit water to flow from overflows to waste, as well
as to the recirculation system.
(1)
Size and shape. The gutter system shall be designed
for continuous removal of water from the pool's upper surface at a
rate of at least one hundred twenty-five percent (125%) of the recirculation
rate. The gutter shall be designed to serve as a handgrip and to prevent
entrapment of arms or legs. It shall permit ready inspection, cleaning
and repair.
(2)
Outlets. Drop boxes, converters, return piping
or flumes used to convey water from the gutter shall be designed to
handle one hundred twenty-five percent (125%) of the recirculation
rate. Drainage shall be sufficient to minimize flooding and prevent
back flow of skimmed water into the pool.
(3)
Surge capacity. All overflow systems shall be designed
with an effective surge capacity of not less than one (1) gallon for
each square foot of pool surface area. Surge shall be provided within
a surge tank, in the gutter or filter above the normal flow line,
or elsewhere in the system. Surge tanks, gutters and filter tanks
should have overflow pipes to convey excess water to waste. Surge
tanks shall be provided with means for complete draining.
b.
Skimmers. The use of skimmers shall be limited to pools
with widths of thirty (30) feet or less.
(1)
Number. At least one (1) surface skimmer shall
be provided for each five hundred (500) square feet of surface or
fraction thereof. Additional skimmers may be required to achieve effective
skimming. At least two (2) skimmers should be provided.
(2)
Location. Skimmers shall be so located as to provide
effective skimming of the entire water surface with minimum interference
and short-circuiting.
(3)
Flow rate. Skimmers shall be designed for a flow-through
rate of at least thirty (30) gallons per minute or 3.75 gallons per
minute per lineal inch of weir. The combined capacity of all skimmers
in a pool shall be less than the total recirculation rate.
(4)
Control. Skimmers shall have weirs that adjust
automatically and operate freely and continuously with variations
of at least four (4) inches in water level. All skimmed water shall
pass through an easily removable and cleanable basket or screen before
encountering control valves or entering the pump suction line. Each
skimmer shall be equipped with a device to control flow. If a skimmer
is connected directly to the recirculation pump suction pipe, it should
include a device to prevent an air-lock in the suction line. If equalizer
pipes are used, they shall pass an adequate amount of water to meet
pump suction requirements should the water in the pool drop below
the weir level. The equalizer pipes shall be located at least one
(1) foot below the lowest overflow level of the skimmer. A valve or
equivalent device that will remain tightly closed under normal operating
conditions, but automatically opens when the water level drops below
the minimum operating level of the skimmer, shall be provided on each
equalizer pipe.
(5)
Construction. Skimmers shall be installed in the
pool walls, be sturdy and be constructed of corrosion resistant materials.
Surface skimmers shall be of a type acceptable to the department.
(6)
Handgrips. Bullnosed coping not more than two (2)
inches thick or other handgrip adjacent to the pool wall shall be
provided. The handgrip shall not be more than nine (9) inches above
the minimum skimmer operating level. When the handgrip is formed by
the pool deck, it shall slope away from the pool with a one (1) inch
drop in a one (1) foot distance.
c.
Testing. Flotation testing should be performed to determine
and adjust the recirculation system for optimum skimming.
4.
Main drain system (outlet). Main drains of the pool shall
be installed in the pool floor at the deepest point.
a.
Spacing. The drains shall not be greater than twenty (20)
feet on centers and an outlet shall be provided not more than fifteen
(15) feet from each side wall.
b.
Grating. The main drain shall be protected by gratings having
an open area large enough to have a velocity of less than one and
one-half (1½) feet per second through the grating. Openings
in the grate shall not be over one-half (½) inch wide. Gratings
or drain covers shall not be removable without the use of tools.
c.
Piping. The piping shall be designed to carry one hundred
percent (100%) of the recirculation rate and shall be equipped with
a valve.
d.
Minimum flow. At least thirty percent (30%) of the total
recirculation rate should flow through the main drain.
5.
Pumps and strainers.
a.
Strainers. Strainers shall be provided through which all
water shall pass before entering the pump. The strainers shall be
of rigid construction, fabricated of corrosion resistant material
and sufficiently strong to prevent collapsing when clogged. The openings
shall be no greater than one-eighth (1/8) inch in any dimension. The
total clear area of all openings shall be at least four (4) times
the area of the connecting pipe. The strainer shall have a quick opening
cover. Spare strainer baskets shall be provided. In systems where
the filter is located on the suction side of the pump, strainers are
not required.
b.
Pumping equipment. The recirculation pump shall have adequate
capacity to meet the design requirements of the pool, including filter
backwashing. It shall be of a self-priming type if installed above
the hydraulic gradient. Multiple pumps should not be provided except
for standby purposes. A gauge which indicates both pressure and vacuum
shall be installed on the pump suction header and a pressure gauge
shall be installed on the discharge side of the pump.
6.
Flow measurement and control.
a.
Flow measurement. A means of continuously measuring rate-of-flow
shall be provided in the recirculation system. For sand filters the
flow measuring equipment shall be located where the backwash flow
rate can also be determined. The rate-of-flow indicator shall be of
a type approved by the Department. The indicator shall be capable
of measuring at least one and one-half (1½) times the design
flow rate, and shall be accurate within ten percent (10%) of true
flow. The indicator shall have a range of readings appropriate for
the anticipated flow rates, and be installed where it is readily accessible
for reading and maintenance and with straight pipe upstream and downstream
of any fitting or restriction in accordance with the manufacturer's
recommendation.
b.
Flow regulation. A device for regulating the rate-of-flow
shall be provided in the recirculation pump discharge piping.
7.
Inlets. The recirculation system shall have inlets adequate
in design, number and location to insure effective distribution of
treated water and maintenance of uniform disinfectant residual throughout
the swimming pool. All other types of inlet systems not covered below
shall be subject to approval by the Department.
a.
Number. Wall inlets shall be spaced not over twenty (20)
feet apart, with one (1) inlet within five (5) feet of each corner
of the pool and one (1) in each recessed step area.
b.
Location. Wall inlets shall be located at least twelve
(12) inches below the design water surface. Bottom inlets shall be
uniformly spaced with a separating distance of no greater than twenty
(20) feet and with rows of inlets within fifteen (15) feet of each
side wall. In any pool over sixty (60) feet in width, bottom inlets
should be provided.
c.
Type. Inlet fittings shall be of the adjustable rate-of-flow
type. Directional flow inlets shall be used with skimmer type pools.
Inlets shall not extend from the floor or wall to create a hazard.
d.
Testing. Dye testing (crystal violet or equivalent) should
be performed to determine and adjust the recirculation pattern.
A.
A swimming
pool water treatment system shall have one (1) or more filters. A
filter shall be of a type approved by the Department. It shall be
installed with adequate clearance and facilities for ready and safe
inspection, maintenance, disassembly and repair.
1.
Sand type filters.
a.
Filter rate. The design filtration rate of rapid sand filters
shall not exceed three (3) gallons per minute per square foot of filter
area. High-rate sand filters shall not exceed a filtration rate of
fifteen (15) gallons per minute per square foot. The sand filter system
shall be equipped to backwash each filter at a rate of fifteen (15)
gallons per minute per square foot of filter bed area or as recommended
by the manufacturer. The backwash water shall be discharged to waste
through a suitable air-gap.
b.
Filter media. Sand or other media shall be carefully graded
and meet the manufacturer's recommendation for pool use.
c.
Accessories. Accessories shall include influent pressure
gauge, effluent pressure gauge, backwash sight glass and air relief
valve.
2.
Diatomaceous earth. The design filtration rate for pressure
or vacuum filters shall be not greater than 1.5 gallons per minute
per square foot of effective filter area except that a maximum filtration
rate of 2.0 gallons per minute per square foot may be allowed where
continuous "body feed" is provided.
a.
Precoating. The filter piping shall be designed to refilter
or waste the effluent until a uniform body coat is applied. For pressure
type filters, precoat feed equipment shall be provided to apply not
less than 0.1 pound of diatomaceous earth per square foot of filter
area.
b.
Body feed equipment. Body feed equipment capable of applying
not less than 0.1 pound of diatomaceous earth per square foot of filter
area per twenty-four (24) hours should be provided.
c.
Regenerative type filters. Regenerative type filters shall
meet the same standards as other pressure filters. Bumping by air
or manual means must be provided for and provision for inspection
of elements shall be provided.
d.
Accessories. Accessories for vacuum filters shall include
a vacuum gauge and a vacuum limit switch interconnected with the pump.
Pressure filters require a backwash sight glass, effluent pressure
gauge, influent pressure gauge and air relief valve.
3.
Other type filters. Acceptance shall be determined on an
individual basis by the Department.
A.
Swimming
pools shall be designed to provide for continuous disinfection of
the pool water with a chemical which is an effective disinfectant
and which imparts an easily measured, active residual.
1.
Disinfectant feeders. An automatic feeder which is easily
adjustable shall be provided for the continuous application of disinfectant.
a.
Construction. Feeders shall be of sturdy construction and
materials which will withstand wear, corrosion or attack by disinfectant
solutions or vapors, and which are not adversely affected by repeated,
regular adjustments or other normal use conditions.
b.
Maintenance. Feeders shall be capable of being easily disassembled
for cleaning and maintenance.
c.
Operation. The design and construction shall be such as
to minimize stoppage from chemicals intended to be used or foreign
materials that may be contained therein.
d.
Safeguards. The feeders shall incorporate anti-siphon safeguards
so that the disinfectant cannot continue to feed into the swimming
pool, the pool piping system, or the swimming pool enclosure if any
type of failure of the pool equipment occurs.
e.
Capacity. Feeders shall be capable of supplying disinfectant
to the pool in the range up to ten (10) ppm chlorine or equivalent.
2.
Gas chlorination. When compressed chlorine gas is used,
the following features shall be provided.
a.
Location. The chlorinator room shall be located on the opposite
side of the pool from the direction of the prevailing winds.
b.
Chlorine room. This room shall be at or above grade. Chlorinating
equipment shall be in a separate room.
c.
Venting. The chlorine room shall have an airtight duct beginning
near the floor and terminating at a safe point of discharge to the
out-of-doors. A louvered air intake shall be provided near the ceiling.
A ventilating fan, capable of one air change per minute and operated
from a switch outside the door, shall be provided in conjunction with
the airtight duct.
d.
Lighting. Adequate lighting shall be provided with the switch
located outside the room, adjacent to the door.
e.
Door. The door of the chlorinator room shall not open to
the swimming pool, and shall open outward to the out-of-doors. The
door shall be provided with a shatterproof inspection window and should
be provided with "panic hardware."
f.
Chlorine cylinders. Chlorine cylinders shall be anchored.
The cylinders in use shall stand on a scale capable of indicating
gross weight with one-half (½) pound accuracy. Storage space
shall be provided so that chlorine cylinders are not subjected to
direct sunlight.
g.
Injection location. The mixing of the chlorine gas and water
shall occur in the chlorine room, except where "vacuum type" chlorinators
are used.
h.
Backflow. The chlorinators shall be designed to prevent
the backflow of water or moisture into the chlorine gas cylinder.
i.
Breathing apparatus. A self-contained breathing apparatus
designed for use in a chlorine atmosphere, and of a type approved
by the department, shall be provided. A closed cabinet shall be provided
to house the breathing apparatus. It shall be accessible without a
key and be located outside of the chlorinator room.
j.
Leak detection. A plastic bottle of ammonia for leak detection
shall be provided.
k.
pH adjustment. Mechanical feed equipment for the purpose
of adding a chemical for pH adjustment shall be provided.
3.
Hypochlorinators. Where hypochlorinators are used, the following
requirements shall apply.
4.
Chemical feed equipment. Equipment and piping used to apply
chemicals to the water shall be of such size, design and material
that they may be cleaned. All material used for such equipment and
piping shall be resistant to action of chemicals to be used therein.
5.
Test kit.
a.
Standards. A DPD (Diethyl-P-Phenylene Diamine) test kit
with the following increments; 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0,
and 3.0 as a minimum, shall be provided to measure the chlorine residual.
If other halogens are used, an appropriate scale shall be provided.
(1)
Colormetric kits. Colormetric test kits shall be
provided for the determination of free disinfectant residual and pH
of the pool water. A supply of appropriate reagents for making each
type of test shall be provided.
Color standards shall be furnished for each of the tests, and
they shall effect an accurate comparison of the sample to be tested,
both from the standpoint of color and density, and shall be reasonably
permanent and non-fading. Electronic residual and pH monitoring devices
may be used in addition to the test kit.
(2)
pH Kit. A pH test kit with a range from 6.8 to
8.2, accurate to the nearest 0.2 pH unit, shall be provided.
b.
Cyanuric acid test kits. In the case of pools using cyanurates
for disinfection, a test kit to measure the cyanuric acid concentration
shall be provided. It shall permit readings at least to one hundred
(100) ppm with increments of twenty-five (25) ppm. A supply of appropriate
reagents shall be furnished.
A.
General. Adequate dressing, showers and sanitary facilities
shall be provided for all swimming pools. Omission of part or all
of the pool side shower and toilet facilities may be approved when
such facilities are available within three hundred (300) feet and
no more than one (1) floor level above or below the swimming pool.
B.
Design Criteria.
1.
Bathhouse routing. Location of the bathhouse shall be such
that the patrons must pass through the bathhouse to enter the pool.
The layout of the bathhouse shall be such that the patrons on leaving
the dressing room pass the toilets, then the showers on route to the
swimming pool.
2.
Bathhouse design. Floor of the bathhouse shall be of smooth-finished
material with non-slip surfaces, impervious to moisture, easily cleanable
and sloped at least one-fourth (¼) inch per foot to drains.
Carpeting shall not be permitted in shower and toilet areas. Junctions
between walls and floors shall be coved. Walls and partitions shall
be of smooth, impervious materials, free from cracks or open joints.
Partitions between dressing cubicles shall terminate at least ten
(10) inches above the floor or shall be placed on continuous raised
masonry or concrete bases at least four (4) inches high. Lockers shall
be set either on solid masonry or concrete bases at least four (4)
inches high or on legs with bottom of lock at least ten (10) inches
above the floor. Lockers shall be properly vented.
3.
Fixture requirements. Unless exempted by Subsection (A) hereof, bathhouse facilities shall be provided based on maximum patron load according to Table 2 - Fixtures Required set out in Section 520.350.
a.
Showers. Showers shall be supplied with water at a temperature
of at least ninety degrees Fahrenheit (90°F) and no more than
one hundred fifteen degrees Fahrenheit (115°F) and at a rate of
at least 1.5 gallons per minute per shower head. All plumbing shall
conform to national and local Plumbing Codes. Liquid or powdered soap
dispensers should be provided. Glass dispensers are not acceptable.
4.
Suits and towels. Where towels and/or swimming suits are
provided, facilities shall be provided to adequately launder, store
and sanitize these items after each usage.
5.
Foot baths. The use of foot baths is prohibited.
6.
Hose bibs. Hose bibs shall be provided within the bathhouse
to enable the entire area to be flushed with a fifty (50) foot hose.
A.
Pool Cleaning System. A cleaning system shall be provided
to remove dirt from the bottom of the pool. When a vacuum system is
used as an integral part of the recirculation system, connection shall
be located in the walls of the swimming pool at least eight (8) inches
below the water line, and at such points that the floor of the pool
can be cleaned with not more than fifty (50) feet of suction hose.
Nothing in this Section shall prohibit the use of surface skimmers
for vacuum cleaning purposes.
B.
Manual. A manual for operation of the pool shall be provided.
It shall include instructions for each filter, pump or other piece
of equipment, drawings, illustrations, chart operating instructions,
and parts list to permit proper installation, operations, winterization
and maintenance.
A.
A spa
is a pool designed for recreational and/or therapeutic use and not
drained, cleaned and refilled for each individual. It may include,
but not be limited to, hydrojet circulation, hot water, cold water,
mineral baths, air induction systems, or any combination thereof.
A pool used under direct supervision of qualified medical personnel
is excluded.
B.
General. Requirements for conventional swimming pools may
be modified or waived for spas at the discretion of the Department.
Except as modified by this Chapter, compliance is required with all
other applicable Sections and standards of this Code.
C.
Patron Load. The patron load shall not exceed one (1) person
per three (3) lineal feet of inner edge of seat or bench.
D.
Maximum Depths. The maximum water depth shall be four (4)
feet measured from the water line. The maximum depth of any seat or
sitting bench shall be two (2) feet measured from the water line.
E.
Handholds. A spa shall have one (1) or more suitable, slip-resistant
handholds around the perimeter, located no farther apart than four
(4) feet. The handholds may consist of any one or a combination of
bull-nosed coping, ledges or decks along the immediate top edge of
the spa and not over twelve (12) feet above the water line; ladders,
steps, or seat ledges; and ropes or railings not over twelve (12)
inches above the water line.
F.
Stairs, Ladders And Recessed Treads. Stairs, ladders, or
recessed treads shall be provided where spa depths are greater than
two (2) feet. A spa shall be equipped with at least one means of egress
with handrail for each fifty (50) feet of perimeter or portion thereof.
G.
Dock Widths. A five (5) foot minimum width, continuous,
unobstructed deck, which may include the coping, shall be provided
on two (2) sides or fifty percent (50%) or more of the spa. When the
spa is adjacent to another pool, the spa shall be located at the shallow
end, with a minimum distance of five (5) feet between the pools.
H.
Water Temperature Controls. Controls shall be provided to
prevent water temperatures in excess of one hundred four degrees Fahrenheit
(104°F). The controls shall be accessible only to the pool operator.
Each spa shall have an approved spa thermometer on site.
I.
Electrical. Electrical switches, outlets, and equipment
shall be at least fifteen (15) feet from the edge of the spa.
J.
Spa Drainage. Means to drain the spa shall be provided to
allow frequent draining and cleaning.
K.
Entrapment Protection. Outlets shall be designed so that
each pumping system prevents patron entrapment. Acceptable means include
the use of multiple unvalved outlets, an anti-vortex drain, and a
twelve (12) inch by twelve (12) inch square grate or one of equivalent
area.
L.
Surface Skimmers. One (1) surface skimmer shall be provided
for each one hundred (100) square feet or major fraction thereof of
surface area.
M.
Inlets. One (1) wall inlet shall be provided for each twenty
(20) feet of pool perimeter, and a minimum of two (2) wall inlets
shall be provided.
N.
Air Induction Systems. An air induction system, when provided,
shall prevent water back-up that could cause electrical shock hazards.
Air intake sources shall not permit the introduction of toxic fumes
or other contaminants.
P.
Recirculation Flow Rates. The recirculation flow rate shall
be thirty (30) gallons per minute per skimmer or provide a thirty
(30) minute turnover, whichever is greater.
Q.
Agitation Systems. The agitation system shall be separate
from the water treatment recirculation system. The agitation system
shall be connected to a ten (10) minute timer located out of reach
of a person in the spa.
R.
Caution Signs. A legible sign visible from the spa shall
be provided. It shall state: "Caution. Any person having an acute
or chronic disease such that use of the spa might adversely affect
their health should consult a physician before using this spa. Do
not use the spa immediately following exercise or while under the
influence of alcohol. Do not use the spa alone or without supervision.
Do not use the spa longer than ten (10) minutes. Children shall be
accompanied by an adult."
A.
A water
slide consists of one (1) or more flumes, a plunge pool, a pump reservoir,
and water treatment facilities. The plunge pool is located at the
base of the flume(s). The pump reservoir is for the flume pump intake(s).
B.
General. Water slides require special consultation with
the regulatory agency for consideration of design variations and areas
where potential problems may exist. Requirements for conventional
swimming pools may be modified or waived for water slides at the discretion
of the Department. Except as modified by this Chapter, compliance
is required with all other applicable Sections and standards of this
Code.
C.
Flumes.
1.
Position. A flume shall be perpendicular to the plunge pool
wall for a distance of at least ten (10) feet from the exit end of
the flume.
2.
Clearances. The distance between the side of a flume terminus
and a plunge pool side wall shall be at least four (4) feet. The distance
between sides of adjacent flume terminuses shall be at least (six)
6 feet. The distance between a flume exit end and the opposite side
of the plunge pool, excluding steps, shall be at least twenty (20)
feet.
3.
Elevation. A flume shall terminate either at a depth of
at least six (6) inches below the plunge pool operating water surface
level or at, or no more than two (2) inches above, the water surface
level provided the flume is level for a distance of at least ten (10)
feet from its exit end.
D.
Plunge Pools.
1.
Depths. The plunge pool operating water depth at the end
of a flume shall be three (3) feet. This depth shall be maintained
in front of the flume for a distance of at least ten (10) feet, from
which the plunge pool floor may have a constant slope upward to a
minimum water depth of two (2) feet.
2.
Decks.
a.
Widths. The deck along the exit side of the plunge pool
shall be at least ten (10) feet wide. The deck along the side opposite
the pump reservoir shall be at least four (4) feet wide.
b.
Slope. Plunge pool decks may slope to the plunge pool and/or
the pump reservoir or to drains which discharge to them.
E.
Pump Reservoirs.
1.
Volume. The pump reservoir shall have sufficient volume
to contain two (2) minutes of combined flow from all water treatment
and flume pumps.
2.
Accessibility. All of the reservoir area shall be accessible
by three (3) foot minimum width decks for cleaning and maintenance.
3.
Security. The pump reservoir shall be secured to prevent
unauthorized access.
F.
Walkways. A four (4) foot minimum width, surfaced walkway
or steps shall be provided between the plunge pool deck and the top
of the flume(s).
G.
Foot Sprays. A foot spray shall be provided. It shall be
located for use prior to each use of the flume(s).
H.
Water Treatment.
1.
Main drains. The plunge pool and the pump reservoir shall
each have a main drain with piping to the water treatment system.
2.
Overflow systems. The plunge pool and the pump reservoir
shall each have either a surface skimmer system or a perimeter overflow
system, with piping to the water treatment system.
3.
Turnover. The water shall be recirculated and treated in
a turnover of one (1) hour or less.
I.
Caution Signs. A legible sign shall be posted at the top
of the flume(s). The sign shall state: "Do Not Use This Slide While
Under The Influence Of Alcohol Or Drugs. Only One (1) Person Allowed
At A Time. Follow The Instructions Of The Supervisor And Lifeguard.
No Running, Standing, Kneeling, Rotating, Tumbling Or Stopping In
The Flumes Or Tunnels. Keep Your Hands Inside The Flume. No Diving
From A Flume. Leave The Plunge Pool Promptly After Entering It."
A.
The design
architect or engineer shall consult with the Department prior to preparation
and submission of engineering plans and specifications for wave pools.
B.
Wave
pools shall be of such shape and design as to be operated and maintained
in a safe and sanitary manner.
C.
The recirculation-filtration
system of wave pools shall be capable of providing a two (2) hour
turnover.
