Current through Bulletin 2024-06, March 15, 2024
(1) The manager
shall ensure that:
(a) a circulation system is
provided and in continuous operation;
(b) when the pool is open for bathing, the
normal waterline of the pool is maintained to promote continuous skimming for
any surge condition;
(c) when an
overflow gutter system is used the water is maintained at the overflow rim of
the gutter;
(d) when a skimmer is
used the water is maintained at the midpoint of the skimmer opening;
(e) the circulation system meets the minimum
turnover time listed in Table 1;
(f) if a single pool circulation system
incorporates more than one of the pool types listed in Table 1:
(i) the entire pool circulation system is
designed with the shortest turnover rate required in Table 1 for the
incorporated pool types; or
(ii)
the pool circulation system is designed with multiple circulation zones that
each meet the recirculation flow rate required in Table 1;
(g) the circulation equipment is operated
continuously except for periods of maintenance;
(h) a rate-of-flow indicator, reading in
gallons per minute, is:
(i) functioning; and
(ii) properly installed:
(A) according to manufacturer
recommendations; and
(B) in a place
and position where it can be easily read by authorized personnel;
(i) the area housing the
circulation equipment, the pump room, is designed and maintained:
(i) according to manufacturer
recommendations;
(ii) with adequate
working space for equipment maintenance including disassembly removal, and
replacement;
(iii) protected from
environmental conditions including UV radiation; and
(iv) secured from unauthorized
personnel;
(j) each
circulation pipe is regulated to control the circulation system flow with one
or more valves that are located to be easily accessible for maintenance or
replacement;
(k) written
operational instructions for circulation equipment are available to the local
health officer upon request;
(l)
circulation equipment including multiport valves, if used, comply with NSF/ANSI
50-2015, which is incorporated by reference; and
(m) each pump or series of pumps used for
pool water circulation under normal operating conditions:
(i) have adequate capacity to provide the
minimum turnover rate specified in Table 1;
(ii) are capable of providing flow adequate
for the backwashing of filters; and
(iii) are capable of maintaining the required
minimum circulation flow rate at a dynamic head that includes, in addition to
fitting and friction losses:
(A) except as
described in Subsection
R392-302-20(4)(b),
an additional of 15 feet of head for pool inlet orifices; and
(B) an additional 15 feet of head for rapid
sand filters, vacuum precoat media filters or vacuum cartridge filters;
or
(C) an additional 40 feet of
head for pressure precoat media filters, high-rate sand filters, or cartridge
filters.
(2) A variable speed pump is permitted for
pool water circulation if the manager ensures that the minimum circulation flow
rate in the approved design and the minimum turnover rate required in Table 1
is maintained, and the requirements of Section
R392-302-25 are met.
(3) The manager shall ensure that:
(a) piping is:
(i) made of non-toxic material;
(ii) resistant to corrosion;
(iii) able to withstand normal operating
pressures;
(iv) identified by a
color code or label; and
(v)
maintained in good condition; and
(b) the maximum water velocity in:
(i) discharge piping is ten feet per second,
except for copper pipe where the maximum velocity for discharge piping is eight
feet per second; and
(ii) suction
piping is six feet per second.
(4) The manager shall ensure that the
circulation system includes a pump strainer that:
(a) prevents hair, lint, and other debris
from reaching the pump;
(b) is
corrosion-resistant;
(c) has
openings not more than 1/8 inch in size;
(d) provides a free flow capacity of at least
four times the area of the pump suction line;
(e) is easily accessible for frequent
cleaning;
(f) is maintained in a
clean and sanitary condition; and
(g) is provided with necessary valves to
facilitate cleaning of the system without excessive flooding.
(5) The manager shall ensure that
a pool facility has a vacuum-cleaning system that:
(a) facilitates access to any area of the
pool through hoses less than 50 feet in length;
(b) except for a vacuum system operated from
a skimmer, includes one or more vacuum connections located in the pool wall, at
least eight inches below the water line for any vacuum system that is an
integral part of the circulation system; and
(c) each dedicated vacuum connection located
in a pool wall, as described in Subsection (5)(b), has a finish fitting that is
installed such that tools are necessary to open and close the
fitting.
(6) The manager
shall ensure that pool water boilers and pressure vessels:
(a) meet the requirements of Rule
R616-2;
(b) have a fixed
thermometer mounted in the pool circulation line downstream from the heater
outlet; and
(c) are provided with a
heatsink as required by the manufacturer's instructions.
(7) The manager shall ensure that pool water
heat exchangers:
(a) have a fixed thermometer
mounted in the pool circulation line downstream from the heater outlet;
and
(b) are provided with a
heatsink as required by manufacturer's instructions.
(8) The manager shall ensure that each air
induction system is designed and maintained to prevent:
(a) any possibility of water backup that
could cause electrical shock hazards;
(b) an air intake from introducing
contaminants such as noxious chemicals, fumes, deck water, dirt, or other
debris into the pool; and
(c) the
circulation line of a jet system or other form of water agitation from
connecting to the pool water circulation, filtration, or heating
system.
(9)
Notwithstanding Subsection
R392-302-4(1),
the manager shall ensure that by January 31, 2023 each chemical feed system
includes two layers of interlocking protection for a low or no flow condition
so that the operation of any chemical feeder is dependent upon the operational
flow of the main circulation system and:
(a)
the functionality of the interlocking mechanism is verified and documented to
the local health department; and
(b) the interlocking mechanism is
accomplished through an electrical interlock consisting of:
(i) a flow meter or flow switch at the
chemical controller if a controller is being used; and
(ii) each chemical feeder is wired
electrically to the circulation system by use of a differential pressure
switch, a pump power monitor, or other suitable means.
(10) The local health officer may
require the manager to demonstrate that the circulation system is performing in
accordance with the approved design.
(11) The local health officer may reduce the
head loss requirement for pool inlet orifices as described in Subsection
(1)(l)(iii) if the manager can demonstrate that at least a six to one pressure
ratio from the pool inlet orifice to the return loop is maintained.
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TABLE 1
Circulation
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Pool Type
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Minimum Number of Wall Inlets
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Minimum Number of Skimmers per 3,500 square feet of
surface area or less
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Minimum Turnover Rate
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1.
Swimming pool
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One per ten linear feet of perimeter or fraction
thereof
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One per 500 square feet of surface area
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Six hours
|
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3. Wading pool
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One per 20 linear feet of perimeter, or fraction
thereof, with a minimum of two equally spaced
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One per 500 square feet of surface area
|
One hour
|
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4. Spa pool
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One per 20 linear feet or fraction thereof
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One per 100 square feet of surface area
|
1/2 hour
|
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5. Wave pool
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One per ten linear feet or fraction thereof
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One per 500 square feet of surface area
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Six hours
|
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6. Splash pool
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One per ten linear feet or fraction thereof
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One per 500 square feet of surface area
|
One hour
|
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7. Vehicle slide
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One per ten linear feet or fraction thereof
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One per 500 square feet of surface area
|
One hour
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8. Special purpose pool
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One per ten linear feet or fraction thereof
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One per 500 square feet of surface area
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One hour
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