| (98) SVRS--Suction vacuum release system. Also known
as safety vacuum release system, is a system capable of providing
vacuum release at a suction outlet in case of a high vacuum occurrence
due to a suction outlet flow blockage. Methods include venting the
suction line to atmosphere, turning off the circulation pump, or reversing
the circulation flow.
(99) Swimout--An underwater seat area that is placed
completely outside of the perimeter shape of the pool.
(100) TCEQ--Texas Commission on Environmental Quality.
(101) TDLR--Texas Department of Licensing and Regulation.
(102) Therapeutic pool or spa--A pool or spa that is
operated exclusively for therapeutic purposes, such as physical therapy,
and is under the direct supervision and control of licensed or certified
medical personnel.
(103) Turnover rate--The period of time, usually in
hours, required to circulate a volume of water equal to the pool or
spa capacity.
(104) UL--An independent testing laboratory (formerly
Underwriters Laboratories).
(105) Unblockable suction outlet--A suction outlet
defined as all components, including the sump and body, cover or grate,
and hardware such that its perforated (open) area cannot be shadowed
by the area of the 18 x 23 inch ANSI/APSP-16 body blocking element.
(106) Underwater ledge--A narrow shelf projecting from
the side of a vertical structure.
(107) Underwater seat--An underwater ledge that is
placed completely inside the perimeter shape of the pool, generally
located in the shallow end of the pool.
(108) USCG--United States Coast Guard.
(109) Vanishing edge--A pool-wall structure and adjacent
pool deck that is designed in such a way that the top of the pool
wall and adjacent deck are not visible from certain vantage points
in the pool or from the opposite side of the pool. Water from the
pool flows over the edge and is captured and reused through the normal
pool circulation system. Also referred to as an infinity edge, negative
edge, or zero edge.
(110) 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 ANSI/APSP-ICC-16 standard.
(111) Vortex pool--A circular pool equipped with a
method of transporting water in the pool for the purpose of propelling
users at speeds dictated by the velocity of the moving stream of water.
(112) Wading pool--A pool with a maximum water depth
that is no greater than 18 inches. A wading pool can contain a PIWF.
(113) Water lounge--A horizontal area of a pool that
adjoins the pool wall at a depth of 2 inches to 12 inches and is used
for seating and play. A water lounge is also known as a tanning ledge
or sun shelf.
(114) Wave pool--A pool, with less than 20,000 square
feet of water surface area, designed to simulate breaking or cyclic
waves for purposes of general play. A wave pool is intended for general
play as opposed to a surf pool that is intended for sport.
(115) Written instructions--Written communication that
provides directions for carrying out a procedure or performing a task.
Written instructions can include manuals, journals, lists, printed
materials, computer-generated materials, and handwritten materials.
Written instructions can be maintained in electronic form so long
as electronic use and transmission of the electronic materials does
not present a risk to health and safety of individuals accessing the
electronic materials.
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