| (48) Rescue tube--A piece of lifesaving equipment that
is an essential part of the equipment that must be carried by lifeguards
and that is used to make water rescue easier by helping support the
victim's and rescuer's weight.
(49) Return inlet or inlet--Aperture or fitting through
which the water under positive pressure returns into the lagoon.
(50) Ring buoy--A ring-shaped floating buoy capable
of supporting a user.
(51) Rope and float line--A continuous line that is
not less than 1/4-inch in diameter and that is supported by buoys
and attached to sides of the lagoon to separate swimming areas from
non-swimming areas of the lagoon.
(52) Secchi disk--An eight-inch diameter disk with
alternating black and white quadrants that is lowered in the water
column and is used to measure water turbidity and clarity.
(53) Self-closing and self-latching device--A mechanism
on a gate that enables a gate to automatically fully close and latch
without human or electrical power.
(54) Service animal--A canine that is specially trained
or equipped to help a person with a disability and that is used by
a person with a disability in accordance with the Texas Human Resources
Code, Chapter 121. An animal of any other species, whether wild or
domestic, trained or untrained, is not considered a service animal.
(55) Slide--A recreational feature with a flow of water
and an inclined flume or channel by which a rider is conveyed downward
into the lagoon.
(56) Slip resistant--A surface that has been treated
or constructed to significantly reduce the chance of slipping.
(57) Steps, recessed steps, ladders, and recessed treads--A
lagoon entry and exit that may be used separately or in conjunction
with one another.
(58) Suction outlet--A fitting, fitting assembly, cover
or grate, and related components that provide a localized low-pressure
area for the transfer of water from the lagoon.
(59) Surf lagoon--A lagoon in which waves are generated
and dedicated to the activity of surfing on a surfboard or analogous
surfing device commonly used in the ocean and intended for sport as
opposed to general play intent for wave lagoons.
(60) Swimming area--A section of a lagoon used for
swimming, wading, or other activities involving contact with or immersion
in water.
(61) TCEQ--Texas Commission on Environmental Quality.
(62) UL--An independent testing laboratory (formerly
Underwriters Laboratories).
(63) User load--The number of persons in the swimming
areas of the lagoon at any given moment or during any stated period
of time.
(64) Vessel--Any watercraft, including surfboards,
paddleboards, and wakeboards, other than a seaplane on water, used
or capable of being used for transportation on water. (See paragraph
(37) of this section "Motorboat.")
(65) VGBA--The Virginia Graeme Baker Pool and Spa Safety
Act. A federal law that requires all public pools and spas to be fitted
with suction outlets that meet the ASME/ANSI A112.19.8 standard.
(66) Wading only areas--Wading only areas of the lagoon
that are intended for use by non-swimmers or for non-swimming activities.
(67) Wastewater disposal system--A plumbing system
used to dispose of backwash or other water from the lagoon or from
dressing rooms and other facilities associated with the lagoon.
(68) Water lounge or shelf--A horizontal area of the
lagoon that adjoins the lagoon wall at a depth of 2 inches to 10 inches
and is used for seating and play.
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