condition or any arrangement whereby REVERSE FLOW can occur

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

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

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

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

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

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

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

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

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

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

a tool for STRAIGHTENING OR BENDING lead pipe

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

the Licensure Board for Master Plumbers

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

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

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

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

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

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

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

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

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

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

the vertical portion of a rainwater conductor

ABS

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

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

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

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

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

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

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

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

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

a room equipped with a SHOWER STALL OR BATHTUB

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

any CHANGE, ADDITION OR MODIFICATION in construction or occupancy

a VERTICAL SHAFT for installation of different pipe stacks

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

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

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

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

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

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

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

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)

the water that STANDS IN OR PASSES THROUGH the ground

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

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

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

a device installed in a drainage system to PREVENT REVERSE FLOW

the Professional Regulation Commission (PRC)

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

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

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

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

a vertical pipe to CONVEY RAINWATER

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

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

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

the length of a pipe along its centerline and fittings

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

a water supply pipe connecting the FIXTURE WITH THE FIXTURE BRANCH

a controlled outlet of a pipeline to DISCHARGE LIQUID OR DETRITUS

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

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

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

is the top edge of a receptacle from where WATER OVERFLOWS

a pipe flange that is NOT DRILLED for bolt holes

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

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

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