| (71) Jump board--A recreational mechanism for entering a pool that has a coil spring or comparable device located beneath the board which is activated by the force exerted in jumping on the board. (72) Labeled--Equipment or material to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation that maintains periodic inspection of production of labeled equipment or materials and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner. (73) Ladders-- (A) Deck ladder--A ladder ascending from ground level outside the pool or spa to the level of a deck. (B) In-pool or in-spa ladder--A ladder located in a pool or spa to provide ingress and egress from the deck. (74) Listed--Equipment or materials included in a list published by an organization acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of listed equipment or materials, and whose listing states either that the equipment or material meets appropriate designated standards or has been tested and found suitable for use in a specified manner. (75) Local regulatory authority--The local enforcement body or authorized representative having jurisdiction over pools, spas, and associated facilities. (76) May--An advisory statement or a good practice and is not legally required. (77) MSHA--Mine Safety and Health Administration, 2002 Thayer Center, Oakland, Maryland 21550, telephone (301) 334-3831. (78) Multi-port valve--A device that allows the multi-directional control of the passage or flow of water through a system. (See definition (154) "Valve".) (79) NEC--National Electric Code, published by NFPA. (See definition (81) "NFPA".) (80) NEMA--National Electric Manufacturers Association, 1300 N. 17th Street, Suite 1847, Rosslyn, Virginia 22209, telephone (703) 841-3200. (81) NFPA--National Fire Protection Association, 11 Tracy Drive, Avon, Massachusetts 02322, telephone (800) 344-3555. (82) NOx--(also written nox) Nitrogen oxides or the sum of the nitric oxide and nitrogen dioxide found in the flue gas or emission point of a source. (83) NRPA--National Recreation and Park Association, 650 West Higgins Road, Hoffman Estates, Illinois 60195-3402, telephone (847) 843-7529. (84) NSFI--NSF International, (National Sanitation Foundation International), 789 N. Dixboro Drive, Ann Arbor, Michigan 48115, telephone (800) 673-6275. (85) NSPF--National Swimming Pool Foundation, 224 East Cheyenne Mountain Blvd., Colorado Springs, CO 80906, telephone (719) 540-9119. (86) NSPI--National Swimming Pool Institute, 2111 Eisenhower Avenue, Alexandria, Virginia 22314, telephone (703) 838-0083. (87) Offset ledge--A horizontal shelf or ledge projecting toward the interior of a pool from the vertical wall that provides a safe footing for a pool user to stand on in deep areas of the pool. (88) Operating water level range--The operating water level defined in one of the following ways: (A) skimmer system--Two inches above to 2 inches below the midpoint of the operating range of the device, or manufacturer's maximum stated operating range; or (B) overflow (gutter) system--The manufacturer's maximum stated operating range above the design water level. (89) Organic matter--Perspiration, urine, fecal matter, saliva, suntan oil, cosmetics, lotions, dead skin, and similar debris introduced to water by users and the environment. (90) ORP--The potential level of oxidation-reduction produced by strong oxidizing (sanitizing) agents in a water solution. Oxidation level is measured in millivolts by an ORP meter. (91) OSHA--United States Department of Labor, Occupational Safety and Health Administration, 200 Constitution Avenue N.W., Washington, D.C. 20210, telephone (800) 321-6742. (92) Outlet--(See definition (131) "Suction outlet".) (93) Overflow system--Overflows, surface skimmers, and surface water collection systems of various design and manufacture for removal of pool or spa surface water. (94) Owner/operator--Fee title holder of the property upon which the pool or spa is located, and/or business manager, complex manager, property owners, association manager, rental agent or other individual who is in charge of the day to day operation or maintenance of the property. The owner/operator is responsible to ensure that the pool or spa and associated facilities comply with state and local pool or spa design, construction, operation, and maintenance standards. (95) Parts per million (PPM)--A unit of measurement in chemical testing that indicates the parts by weight in relation to one million parts by weight of water. For the purposes of pool or spa water chemistry, ppm is considered to be essentially identical to the term milligrams per liter (mg/L). (96) pH--A value expressing the relative acidic or basic tendencies of a substance, such as water, as indicated by the hydrogen ion concentration. The pH is expressed as a number on the scale of zero to 14, zero being most acidic, 1 to 7 being acidic, 7 being neutral, 7 to 14 being basic and, 14 being most basic. (97) Plaster--A type of interior finish (a mixture of cement and aggregate) that is applied to a concrete pool or spa and that is either white or meets the observable "black disk" requirement in §265.184(f) of this title (relating to General Construction and Design for Post-10/01/99 Pools and Spas) and §265.185(c) of this title (relating to General Construction and Design for Pre-10/01/99 Pools and Spas). (98) Plummet--A line perpendicular to the water surface and extending vertically to a point located at the front end of the diving board and at the center line directly in front of the diving board. (99) Pool--Any man-made permanently installed or non-portable structure, basin, chamber, or tank containing an artificial body of water that is used for swimming, diving, aquatic sports, or other aquatic activity other than a residential pool and that is operated by an owner, lessee, operator, licensee or concessionaire, regardless of whether a fee is charged for use. The pool may be either publicly or privately owned. The term does not include a spa or a decorative fountain that is not used as a pool. References within the standard to various types of pools are defined by the following categories. (A) Class A pool--Any pool used, with or without a fee, for accredited competitive aquatic events such as Federation Internationale De Natation Amateur (FINA), United States Swimming, United States Diving, National Collegiate Athletic Association (NCAA), National Federation of State High School Associations (NFSHSA), events. A Class A pool may also be used for recreation. (B) Class B pool--Any pool used for public recreation and open to the general public with or without a fee. (C) Class C pool--Any pool operated for and in conjunction with: (i) lodging such as hotels, motels, apartments, condominiums, or mobile home parks; (ii) property owner associations, private organizations, or clubs; or (iii) a school, college or university while being operated for academic or continuing education classes. The use of such a pool would be open to occupants, members or students, etc., and their guests but not open to the general public. (D) Class D pool--A wading pool with a maximum water depth of 24 inches at any point. (100) Pool yard or spa yard--An area that has a pool yard or spa yard enclosure and that contains a pool or spa. (101) Pool yard or spa yard enclosure--A fence, wall, or combination of fences, walls, gates, windows, or doors that completely surround a pool or spa. (102) Post-10/01/99 pool or spa--A pool or spa built on or after October 1, 1999, unless otherwise indicated. See §265.181(b) of this title. (103) Post-10/01/99 pool and/or spa construction--The activity of building or installing a pool and/or spa structure, and its component parts, where no such structure has previously existed or where previously pre-10/01/99 pool or spa structures have been removed. (104) Potable water--Water that is bacteriologically safe and otherwise suitable for drinking and is regulated by the Texas Commission on Environmental Quality or local regulatory authority as a drinking water system. (105) Pre-10/01/99 pool or spa--A pool or spa built before October 1, 1999, unless otherwise indicated. See §265.181(b) of this title (relating to General Provisions). (106) Precipitate--A solid material that is forced out of a solution by some chemical reaction and that settles out or remains as a haze in suspension (turbidity). (107) Pressure differential--The difference in pressure between two parts of a hydraulic system, such as the influent and effluent of a filter. (108) PSI--Pounds per square inch. (109) Pump--A mechanical device, usually powered by an electric motor that causes hydraulic flow and pressure for the purpose of filtration, heating, and circulation of pool and spa water. (110) Push-pull valve--A device that allows the dual direction control or flow of water through a system. (See definition (154) "Valve.") (111) Rate of flow--The quantity of water flowing past a designated point within a specified time, such as the number of gallons flowing in 1 minute (gallons per minute). (112) Regulatory authority--Any federal, state, or local enforcement body or authorized representative having jurisdiction over pools, spas, and associated facilities. (113) Residential pool or spa--A pool or spa that is located on private property under the control of the property owner or the owner's tenant and that is intended for use by not more than two resident families and their guests. It includes a pool or spa serving only a single-family home or a duplex. (114) Return inlet or inlet--The aperture or fitting through which the water under positive pressure returns into a pool or spa. (115) Ring buoy--A ring-shaped floating buoy capable of supporting a user. (116) 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 opposite sides or ends of a pool to separate the deep and shallow ends or mark exercise or racing lanes. (117) Scale--The precipitate that forms on surfaces in contact with water when the hardness, pH, or total alkalinity levels are too high. (118) Self-closing and self-latching device--A device that causes a gate to automatically fully close and latch without human or electrical power. (119) Separation tank--A tank used in conjunction with a filter to facilitate the separation of filtrate material for disposal. (120) Service animal--A guide dog, signal dog, or other animal trained to do work or perform tasks for the benefit of an individual with a disability, including but not limited to, guiding individuals with impaired vision, alerting individuals with impaired hearing to intruders or sounds, or providing minimal protection or rescue work, such as pulling a wheelchair, or fetching dropped items. (121) Shall--Mandatory provisions of these regulations. (122) Shallow areas--Pool water areas that are 5 feet deep or less. (123) Shock treatment--The practice of adding significant amounts of an oxidizing chemical to water to destroy ammonia and nitrogenous and organic contaminants in water. (124) Skimmer weir--Part of a skimmer that adjusts automatically to small changes in water level to assure a continuous flow of water to the skimmer. (125) Slide--A recreational feature with a flow of water and an inclined flume or channel by which a rider is conveyed downward into a pool. (126) Slip-resistant--A surface that has been treated or constructed to significantly reduce the chance of slipping. (127) Spa--A constructed permanent or portable structure that is 2 feet or more in depth and that has a surface area of 250 square feet or less or a volume of 3250 gallons or less and that is intended to be used for bathing or other recreational uses and is not drained and refilled after each use. It may include, but is not limited to, hydrojet circulation, hot water, cold water, mineral baths, air induction bubbles, or any combination thereof. A spa, as is defined in these rules, does not refer to a business establishment such as a day spa or a health spa. Industry terminology for a spa includes, but is not limited to, "hydrotherapy pool," "whirlpool," "hot spa," "hot tub," etc. A spa does not include a residential spa. (See definition (113) "Residential pool or spa".) (128) Special aquatic activity device--An interactive play device, such as a slide, spray stream, or similar item, utilizing water that is recirculated. (129) Stabilizer--A chemical that helps reduce the excess loss of chlorine in water due to the ultraviolet rays of the sun. (See definition (42) "Cyanuric acid".) (130) Steps, recessed steps, ladders, and recessed treads--A means of pool and spa ingress and egress that may be used separately or in conjunction with one another. Cont'd... |
