Plumbing Dictionary


Plumbing termonalogy.

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B

BATHROOM GROUP

A group of fixtures, including or excluding a bidet, and consisting of a water closet, lavatory, and bathtub or shower. Such fixtures are located together on the same floor level.

BEDPAN STEAMER OR BOILER

A fixture utilized for scalding bedpans or urinals by direct application of steam or boiling water.

BEDPAN WASHER AND STERILIZER

A fixture designed to wash bedpans and to flush the contents into the sanitary drainage system. Included are fixtures of this type that provide for disinfecting utensils by scalding with steam or hot water.

BEDPAN WASHER HOSE

A device supplied with hot and cold water and located adjacent to a water closet or clinical sink to be utilized for cleansing bedpans.

BOILER

A self-containing gas burning appliance for supplying hot water or low pressure steam, primarily intended for domestic and commercial space heating application.

BRANCH

Any part of the piping system except a riser, main or stack.

BRANCH INTERVAL

A distance along a soil or waste stack corresponding in general to a story height, but not less than 8 feet (2438 mm), within which the horizontal branches from one floor or story of a structure are connected to the stack.

BRANCH LINE

Gas piping which conveys gas from a supply line to the appliance.

BRANCH VENT

A vent connecting one or more individual vents with a vent stack or stack vent.

BRAZING

A metal joining process wherein coalescence is produced by the use of a nonferrous filler metal having a melting point above 1,000¦ F (538 C) but lower than that of the base metal being joined. The filler material is distributed between the closely fitted surfaces of the joint by capillary attraction.

BRITISH THERMAL UNIT

British thermal unit which is the quantity of heat required to raise the temperature of one pound (454 g) of water 1 degree (0.55 C) Fahrenheit (1 BTU = 1055 J).

BROILER UNIT

A separate appliance, a general term including broilers, salamanders, barbecues, and other devices cooking primarily by radiated heat, excepting toasters.

BUILDING

Any structure occupied or intended for supporting or sheltering any occupancy.

BUILDING DRAIN

That part of the lowest piping of a drainage system that receives the discharge from soil, waste and other drainage pipes inside and that extends 30 inches (762 mm) beyond the walls of the building and conveys the drainage to the building sewer.

BUILDING DRAIN Combined

A building drain that conveys both sewage and storm water or other drainage.

BUILDING DRAIN Sanitary

A building drain that conveys sewage only.

BUILDING DRAIN Storm

A building drain that conveys storm water or other drainage, but not sewage.

BUILDING PIPING GAS

The gas piping from the point where it enters the building or foundation to and including the outlets. This is applicable where the gas meter is located some distance from the building or LP gas is delivered without a meter. The gas piping from the gas meter to and including the outlets. This is applicable where the gas meter is located in or immediately adjacent to the building.

BUILDING SEWER

That part of the drainage system that extends from the end of the building drain and conveys the discharge to a public sewer, private sewer, individual sewage disposal system or other point of disposal.

BUILDING SUBDRAIN

That portion of a drainage system that does not drain by gravity into the building sewer.

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