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Plumbing Glossary
PLUMBING The practice, materials and fixtures utilized in the installation, maintenance, extension and alteration of all piping , fixtures, plumbing appliances and plumbing appurtenances, within or adjacent to any structure, in connection with sanitary drainage or storm drainage facilities, venting systems and public or private water supply systems.
PLUMBING APPLIANCE Any one of a special class of plumbing fixtures intended to perform a special function. Included are fixtures having the operation or control dependent on one or more energized components, such as motors, controls, heating elements, or pressure or temperature sensing elements. Such fixtures are manually adjusted or controlled by the owner or operator, or are operated automatically through one or more of the following actions: a time cycle, a temperature range, a pressure range, a measured volume or weight.
PLUMBING APPURTENANCE A manufactured device, prefabricated assembly or an on the job assembly of component parts that is an adjunct to the basic piping system and plumbing fixtures. An appurtenance demands no additional water supply and does not add any discharge load to a fixture or to the drainage system.
PLUMBING FIXTURE A receptacle or device that is either permanently or temporarily connected to the water distribution system of the premises and demands a supply of water there from; discharges wastewater, liquid borne waste materials, sewage either directly or indirectly to the drainage system of the premises.
PLUMBING SYSTEM Includes the water supply and distribution pipes; plumbing fixtures and traps, water treating or water using equipment, soil, waste and vent pipes and sanitary and storm sewers and building drains in addition to their respective connections, devices and appurtenances within a structure or premises.
POLLUTION An impairment of the quality of the potable water to a degree that does not create a hazard to the public health but that does adversely and unreasonably affect the aesthetic qualities of such potable water for domestic use.
POTABLE WATER Water free from impurities present in amounts sufficient to cause disease or harmful physiological effects and conforming to the bacteriological and chemical quality requirements of the Public Health Service Drinking Water Standards or the regulations of the public health authority having jurisdiction.
PUBLIC OR PUBLIC UTILIZATION In the classification of plumbing fixtures, “public” applies to fixtures in general toilet rooms of schools, gymnasiums, hotels, airports, bus and railroad stations, public buildings, bars, public comfort stations office buildings, stadiums, stores, restaurants and other installations where toilet fixtures are intended for public use.
PUBLIC WATER MAIN A water supply pipe for public utilization controlled by public authority.
PRESSURE RELIEF VALVE A pressure actuated valve held closed by a spring or other means and designed to relieve pressure automatically at the pressure at which such valve is set.
PRIVATE In the classification of plumbing fixtures, “private” applies to fixtures in residences and apartments, and to fixtures in non-public toilet rooms of hotels and motels and similar installations in buildings where the plumbing fixtures are intended for utilization by a family or an individual.
PROCESS PIPING Piping systems and their component parts that are not building services or power piping systems and that may be installed in petroleum refineries, chemical, pharmaceutical, textile, paper, semiconductor and cryogenic plants and related processing plants and terminals.
