Plumbing Code: Definition of Terms (Part 3)

33問 • 2年前

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having no permanent water inside the pipe

dry standpipe

that portion of the rainfall or other precipitation which runs off over the earth surface after a storm

storm water

that portion of a building included between the upper surface of any floor and the upper surface of the floor next above

storey

an underground drainpipe that receives only sub-surface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump

subsoil drain

the extension of a soil or waste stack above the highest horizontal drain connected to the stack. The uppermost end above the roof is called stack vent through roof (SVTR)

stack vent

an approved tank or pit which receives sewage or wastewater and is located below the normal grade of the gravity system and must be emptied by mechanical means

sump

supports, hangers, anchors, brackets, cradles are devices for holding and securing pipes and fixtures to walls, ceiling, floor or structural members

supports

that portion of rainfall or other precipitation which runs off the surface of the ground

surface water

a water basin used for swimming designed to accommodate many bathers at a time

swimming pool

the pipe or tubing that connects the outlet of a plumbing fixture to a trap

tailpiece

a tee with the branch tapped to receive a threaded pipe or fittings

tapped tee

a fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents the backflow of foul air or methane gas without materially affecting the flow of sewage or waste water through it

trap

that portion of a fixture drain between a trap and the vent

trap arm

the maximum vertical depth of liquid that a trap will retain measured between the crown weir and the top of the dip of the trap

trap seal

a cylindrical conduit or conductor conforming to the particular dimensions known as "tube sizes" and denoted by its outside diameter or O.D.

tube

a room space having a volume equal to at least 1.4 c.u . m. of the aggregate input rating of the fuel-burning appliance installed in that space

unconfined space

an arrangement of venting so installed that one vent pipe will serve two traps

unit vent

an air pressure less than atmospheric. Also, implies siphonage in piping system

vacuum

a pipe or opening used for ensuring the circulation of air in a plumbing system and for relieving the negative pressure exerted on trap seals

vent pipe

the vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system

vent stack

pipes installed to provide flow of air to or from a drainage system or to provide circulation of air within such system to protect trap seals from siphonage and backpressure

vent system

any pipe or fitting installed in a vertical position or which forms an angle of not more than 45 degrees with the vertical line

vertical pipe

a pipe which conveys only liquid waste, free of fecal matter

waste pipe

a device which conditions or treats water supply to improve water quality, remove suspended solids by filtration

water treatment

a pipe which conveys potable water from the building supply pipe to the plumbing fixtures and other outlets

water-distributing pipe

or street main, is the water supply pipe for public or community use

water main

of a building or premises consists of the water service pipe, water supply line, water distributing pipe and the necessary branch pipes, fittings, valves and all appurtenances required for the supply of potable water

water supply system

that portion of a vent pipe through where waste water also flows through

wet vent

any joint or seam obtained by the joining of metal parts in a plastic molten state

welded joint or seam

a person who specializes in the welding of pipes and holds a valid certificate of competency from a recognized testing agency, based on the requirements of the regulating authority

welder, pipeline

a hose connection with two-gated outlets permitting two connections ofthe same or smaller coupling diameter to be taken from a single supply line. Also a pipe fitting of three branches that form the letter ''wye''a hose connection with two-gated outlets permitting two connections ofthe same or smaller coupling diameter to be taken from a single supply line. Also a pipe fitting of three branches that form the letter ''wye''

wye

An open, unoccupied space, other than a court, unobstructed from the ground to the sky, except where specifically provided in this Code

yard

A pipe connecting upward from a soil or waste stack below horizontal connection to an adjacent vent stack at a point above the floor and higher than highest spill level of fixtures for preventing pressure changes in the stacks

yoke vent

Hangers and Supports

ユーザ名非公開 · 16問 · 2年前

Hangers and Supports