Plumbing Code: Chapter 2 Definition of Terms

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ABS

acrylonitrile-butadiene-styrene

any public space. public park or thoroughfare less than THREE (3) METERS BUT NOT LESS THAN TWO (2) METERS in width dedicated or deeded for public use

alley

any CHANGE, ADDITION OR MODIFICATION in construction or occupancy

alter or alteration

when applied to a fixture, connection, appliance or equipment, shall mean HAVING ACCESS thereto, but which may require prior removal of an access panel, door or similar obstruction

accessible

a PHYSICAL SEPARATION, which may be a low inlet into the indirect waste receptor from the fixture, appliance or device indirectly connected

air break

the UNOBSTRUCTED VERTICAL DISTANCE through the free atmosphere between the lowest opening from any pipe, plumbing fixture, appliance or appurtenance conveying waste to the flood level rim of the receptor

air gap, drainage

ACCEPTED OR ACCEPTABLE under an applicable specifications or standard stated or cited in this Code, or accepted as suitable for any proposed use under procedures and powers of the Administrative Authority

approved

an organization primarily established for purposes of TESTING to approve standards and approved by the Administrative Authority

approved testing agency

including the building official, the commission, the board and such other department or agency established and authorized to administer and enforce provisions of RA 1378

authority, administrative

the flow of water or other liquids, mixtures or substances into the distributing pipes of a potable supply of water from any source OTHER THAN FROM ITS INTENDED SOURCE

backflow

an UNOBSTRUCTED VERTICAL DISTANCE through the free atmosphere between the lowest opening from any pipe or faucet conveying potable water to the flood-level rim of any tank, vat or fixture

air gap, water distribution

condition or any arrangement whereby REVERSE FLOW can occur

backflow connection

occurs due to an INCREASED REVERSE PRESSURE above the supply pressure. This may be due to pumps, boilers, gravity or other sources of pressure

backpressure backflow

device or means to PREVENT FLOW OF LIQUID from returning to the source of supply. Also called vacuum breaker

backflow preventer

the FLOWING BACK of used, contaminated or polluted water from a plumbing fixture or vessel into a water supply pipe due to a negative pressure in such pipe

back-siphonage

a device installed in a drainage system to PREVENT REVERSE FLOW

backwater valve

the part of a vent line, which connects directly with an individual trap UNDERNEATH OR BEHIND the fixture and extends to the branch or main vent pipe at any point higher than the fixture or fixture traps it serves. This is sometimes called an individual vent

backvent pipe/revent pipe

a valve opened and closed by the FALL AND RISE, respectively, of an attached ball floating on a surface of the liquid

ball cock

a type of pipe connection in which a ball-shaped end is held in a CUPLIKE SHELL and allows movements in every direction

ball joint

a room equipped with a SHOWER STALL OR BATHTUB

bathroom

any of two or more ADJACENT FIXTURES which discharge into a common horizontal soil or waste branch

battery of fixtures

that portion of a pipe which, for a short distance, is sufficiently enlarged to RECEIVE THE END of another pipe of the same diameter for the purpose of making a caulked or push-on joint

bell or hub

a tool for STRAIGHTENING OR BENDING lead pipe

bending pin (or iron)

synonymous with faucet, cock, tap, plug, etc. The word "FAUCET" is preferred

bibb

A plumbing fixtures used for washing the middle private part of the body, especially the genitals. Also called a "sitz" bath

bidet/sitz bath

a pipe flange that is NOT DRILLED for bolt holes

blank flange

a flange that closes the end of a pipe. There is NO OPENING for the passage of liquid or gas

blind flange

a controlled outlet of a pipeline to DISCHARGE LIQUID OR DETRITUS

blow-off

the Licensure Board for Master Plumbers

board

a valve outlet of a boiler that permits DISCHARGE of accumulated SEDIMENT

boiler blow-off

any part of the piping system other than a MAIN, RISER OR STACK

branch

a length of soil or waste stack corresponding in general to a story height, but in no case less than 2.43 meters within which the horizontal branches from one floor or story of a building are connected to the stack

branch interval

a horizontal vent connecting one or more INDIVIDUAL VERTICAL BACK VENTS with the vent stack or stack vent

branch vent

any joint obtained by joining of metal parts with alloys which melt at temperatures HIGHER THAN 449 DEGREES CENTIGRADE, but lower than the melting temperature of the parts to be joined

brazed joint

Brown and Sharpe (Specification) or Bell and Spigot (Ends of Pipes)

b&s

a STRUCTURE BUILT, erected and framed of component structural parts designed for the housing, shelter, enclosure or support of persons, animals or property of any kind

building

that part of the LOWEST HORIZONTAL PIPING of a drainage system which receives the discharge from soil, waste and other drainage pipes inside the walls of the building and conveys it to the building sewer beginning 0.6 meter outside the building wall

building drain

that part of the horizontal piping of a drainage system which STARTS FROM THE END OF THE BUILDING DRAIN and which receives the discharge of the building drain and conveys it to a public sewer, private sewer, individual sewage disposal system or other point of disposal

building sewer

that portion of an underground system, which CANNOT DRAIN BY GRAVITY into the building sewer

building subdrain

the pipe carrying potable water from the water meter or other source of water supply to a building or other point of use or distribution on the lot. It shall also mean water service connection the pipe carrying potable water from the water meter or other source of water supply to a building or other point of use or distribution on the lot. Building supply shall also mean water service connection

building supply

PLUGGING AN OPENING with oakum, lead or other materials that are pounded into the annular space. Also, the material pounded into the annular opening

caulking

a fitting, screwed or caulked over the end of a pipe for CLOSING THE PIPE END

cap

a receptacle in which liquids are retained for sufficient period of time to allow SETTLEABLE MATERIAL TO DEPOSIT

catch basin

a person who has shown competence to TEST AND MAINTAIN BACKFLOW ASSWMBLIES to the satisfaction of the Administrative Authority having jurisdiction

certified backflow assembly tester

a NON-WATERTIGHT LINED EXCAVATION in the ground which receives the discharge of a sanitary drainage system or part thereof, designed to retain the organic matter and solids discharging therefrom, but permitting the liquid to seep through the bottom and sides of the cesspool

cesspool

a VERTICAL SHAFT for installation of different pipe stacks

chase

a valve that AUTOMATICALLY CLOSES to prevent the flow of liquid or gas in a reverse direction

check valve

a group vent pipe which STARTS IN FRONT OF THE EXTREME FIXTURE CONNECTION on a horizontal branch and connects to the vent stack

circuit vent/loop vent

when USED ALONE, shall mean these regulations, subsequent amendments thereto or any emergency rule or regulation which the Administrative Authority having jurisdiction may lawfully adopt

code

a specially designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains by means of a COMMON WASTE AND VENT PIPE adequately sized to provide free movement of air above the flow line of the drain

combination waste and vent system

a structure which any part of its structural framework will ignite and burn at a temperature of 756 DEGREES CENTIGRADE OR LESS

combustible construction

the Professional Regulation Commission (PRC)

commission

the part of a plumbing system designed and installed to SERVE MORE THAN (1) appliance, fixture, building or system

common

a room or space having a volume less than 1.4 CU.M. WITH 250 KILOGRAM CALORIE of the aggregate input rating of all fuel burning appliances installed in that space

confined space

an IMPAIRMENT OF THE QUALITY OF THE POTABLE WATER which creates an actual hazard to the public health through poisoning or spread of disease by sewage, industrial fluids or waste. Also, defined as High Hazard

contamination/high hazard

is vertical vent that is a CONTINUATION OF THE DRAIN to which the vent connects

continuous vent

a drain connecting the COMPARTMENTS OF A SET OF FIXTURES TO A TRAP or connecting other permitted fixtures to a common trap

continuous waste

a vertical pipe to CONVEY RAINWATER

conductor or downspout

a STOP VALVE placed at the connection of the water service pipe to the water main

corporation cock

an open, unoccupied space, bounded on two (2) or more sides by the walls of the building

court

C-L or C/L MARKING on a backflow prevention device or vacuum breaker is a point conforming to approved standards and established by the testing laboratory (usually stamped on the device by the manufacturer) which determines the minimum elevation above the flood level rim of the fixture or receptacle served where the device may be installed

critical level

any connection or arrangement, physical or otherwise, between a potable water supply system and any plumbing fixture or any tank. receptacle, equipment or device, through which enables non-potable, used, unclean, polluted, contaminated water or other substances to ENTER INTO ANY PART OF SUCH POTABLE WATER SYSTEM under any condition

cross-connection

the EXTENDED PORTION OF A PIPE that is closed at one end to which no connection are made on the extended portion, thus permitting the stagnation of liquid or air therein

dead-end

the Administrative Authority and includes any other law enforcement agency CONCERNED BY ANY PROVISION OF THIS CODE, whether such agency is specifically named or not

department having jurisdiction

the length of a pipe along its centerline and fittings

developed length

is the nominal diameter as designated commercially. I.D. denotes inside diameter of pipe and O.D. denotes outside diameter of tube

diameter

the liquid and water-borne wastes derived form the ordinary living processes, free from industrial wastes and of such character that permit satisfactory disposal without special treatment DISPOSAL WITHOUT SPECIAL TREATMENT. It is discharged into the public sewer or into a private sewage disposal system

domestic sewage

a pipe fitting with ADJACENT REVERSE BENDS and shaped like the letter "S"

double-bend fitting

TWO OFFSETS in succession or in series such that the centerlines of the outside ends are in the same straight line

double offset

the vertical portion of a rainwater conductor

downspout

a pipe, which carries ground and surface waters, storm water or wastewater INTO A BUILDING DRAINAGE SYSTEM

drain

includes all piping within public or private premises which CONVEYS SEWAGE OR OTHER LIQUID WASTES TO A LEGAL POINT OF DISPOSAL but does not include the main of a public sewer system or private or or public sewage treatment or disposal plant

drainage system

a vent that does not carry liquid or water-borne wastes

dry vent

a term used to describe soil or waste system where all piping are of threaded pipe, tubing or other such rigid construction using RECESSED DRAINAGE FITTINGS to correspond to the types of piping

durham system

is the MINIMUM CROSS-SECTIONAL AREA at the point of water supply discharge measured or expressed in terms of: (1) diameter of a circle; (2) if the opening is not circular, the diameter pf a circle of equivalent cross-sectional area

effective opening

the ON-GOING INSTALLATION of the plumbing system or any part thereof which has been installed prior to the effectivity of this Code

existing work

one person living alone or a group living together, whether related to each other by birth or not

family

A valve located at the end of a water pipe through of which water can be DRAWN OR HELD within the pipe

faucet

a metallic sleeve, caulked or joined to an opening in a pipe, into which a plug is screwed that can be removed for cleaning or examining the interior of the pipe

ferrule

a receptacle other than a trap attached to a plumbing system in which water or wastes may be COLLECTED OR RETAINED for ultimate discharge into the plumbing system

fixture

the water supply pipe BETWEEN the fixture supply pipe and the water-distributing pipe

fixture branch

the drainpipe from the trap of a fixture to the JUNCTION of that drain with any other drainpipe

fixture drain

a water supply pipe connecting the FIXTURE WITH THE FIXTURE BRANCH

fixture supply

is an ARBITRARY QUANTITY in terms of which the load-producing effects or water requirements on the plumbing system of different kinds of plumbing fixtures are expressed in some arbitrary chosen scale. One fixture unit is equivalent to a rate flow at 28.3 liters per minute (1 cu. ft./minute)

fixture unit

the LEVEL in a fixture at which water begins to overflow over the top or rim of the fixture

flood level

is the top edge of a receptacle from where WATER OVERFLOWS

flood level rim

a fixture is flooded when the liquid therein RISES TO THE FLOOD LEVEL RIM

flooded

the AREA included within the surrounding exterior walls of a building or portion thereof, exclusive of vent shafts and courts

floor area

a tank located above or integral with the water closet, urinal or similar fixtures for FLUSHING OR REMOVING EXCREMENTS in the fixture

flush tank

is a device located at the bottom of the tank for the purpose of FLUSHING WATER CLOSET AND SIMILAR FIXTURES

flush valve

is integrated within an air accumulator vessel that is designed to DISCHARGE A PREDETERMINED QUANTITY OF WATER to fixtures for flushing purposes

flushometer tank

is a device, which discharges a predetermined quantity of water into fixtures for FLUSHING PUPOSES and is actuated by DIRECT WATER PRESSURE

flushometer valve

a valve in which the flow of water is cut off by means of a circular disc fitted against machine-smoothed faces, at RIGHT ANGLES to the direction of flow.

gate valve

a valve in which the flow of fluid is cut off by means of a circular disc that FITS OVER and against the horizontal valve seat

globe valve

a return bend of small-sized pipe, one end of which is about 30 cm. long and the other end is about 7.5 cm. long. It is commonly used as a faucet for a pantry sink. Also, the term means the flexible tubing connection between a service pipe and a water main

gooseneck

is the slope or fall of a line of pipe with reference to a horizontal plane. In drainage, it is usually expressed as the fall in centimeters per meter or percentage slope of pipe

grade/pitch/slope

an interceptor of at least 3 CUBIC METERS capacity to serve one or more fixtures and which are remotely located

grease interceptor

a device designed to RETAIN GREASE from one to maximum of four fixtures

grease trap

the water that STANDS IN OR PASSES THROUGH the ground

ground water

100

a branch vents that performs its functions for TWO (2) OR MORE TRAPS

group vent

WT 3

ユーザ名非公開 · 50問 · 13日前

WT 3