Definition of Terms 3

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

Tube

The water that stands in or passes through the ground.

Ground Water

The level in a fixture at which water begins to overflow over the top or rim of the fixture.

Flood Level

It is integrated within an air accumulator vessel which is designed to discharge a predetermined quantity of water into fixtures for flushing purposes.

Flushometer Tank

A fixture designed for the washing of the hands or face. Sometimes called a wash basin.

Lavatory

A minimum standard quantity of plumbing fixtures that discharge wastes into a plumbing installation including one (1) water meter, one (1) water closet, one (1) lavatory, one (1) shower head and drain for a bathtub or shower stall, one (1) kitchen sink, one (1) Laundry tray and three (3) floor drains and four (4) faucets/hose bibb.

Plumbing Unit

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 standpipe that operates automatically by opening a hose valve.

Automatic Standpipe System

Brazed Joint is any joint obtained by joining of metal parts with alloys which melt at temperatures _________________________ degrees centigrade, but lower than the melting temperature of the parts to be joined.

higher than 449 degrees

A plumbing fixture used for washing the middle private part of the body, especially the genitals.

Bidet

The area included within surrounding walls of a building (or portion thereof), exclusive of vent shafts and courts.

Flood Area

A pipe fitting of three branches that form the letter "Wye"

Wye

An organization primarily established for purposes of testing to approve standards and approved by the Administrative Authority.

Approved Testing Agency

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 it caulked or push-on joint.

Bell or Hub

A water basin used for swimming designed to accommodate many bathers at a time and properly connected to a disposal system, fills and draws water supply or provided with approved water purification and recirculation system.

Swimming Pool

Per Plumbing Code, Potable PVC water pipings are colored ___________.

Blue

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

Family

Any branch in a building drain other than the primary branch.

Secondary Branch

Equipment or materials bearing a label of a listing agency.

Labeled

The extended portion of a pipe that is closed at one end to which no connections are made on the extended portion, thus permitting the stagnation of liquid or air therein.

Dead End

The pipe from the street water main or other sources of water supply to the building served.

Service Pipe

The pressure available at the fixture or water outlet; allowance is made for pressure drop due to friction loss, head, meter and other losses in the system during maximum demand period.

Residual Pressure

It is a pipe installed to vent a fixture trap that connects with the vent system above the fixture served or terminates in the open air.

Individual Vent

A pit beneath a privy where excrement collects.

Privy Vault

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

In Plumbing Code, referred to as Revent Pipe.

Backvent Pipe

A Yoke Vent is a type of a ____________.

Relief Vent

It is a drain pipe extending laterally from a soil or waste stack or building drain with or without vertical sections or branches, which receives the discharge from one or more fixture drains and conducts it to the soil or waste stack or to the building drain.

Horizontal Branch

The art and technique of installing pipes, fixtures and other apparatuses in buildings for bringing in the supply, liquids, substances and/or ingredients and removing them; and such water, liquid and other carried wastes hazardous to health, sanitation, life, property; also the pipes and fixtures after installation i.e., the plumbing system.

Plumbing

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

A term used to describe soil or waste system where all pipings are of threaded pipe, tubing, or other such rigid construction using recessed drainage fittings to correspond to the types of piping.

Durham System

A Vertical Pipe is any pipe or fitting installed in a vertical position or which forms an angle of _______________.

not more than forty-five (45) degrees with the vertical line

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

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

Equipment or materials included in a LIST published by a listing agency that maintains periodic inspection on current production of listed equipment or materials and whose listing state either that the equipment or materials complied with approved standards or have been tested and found suitable for use in specified manners.

Listed

That part of a plumbing system designed and installed to serve more than one (1) appliance, fixture, building, or system.

Common

It is commonly used as a faucet for a pantry sink

Gooseneck

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

Storey

A water supply pipe connecting the fixture with the fixture branch.

Fixture Supply

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

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

The purpose for which a building is used or intended to be used. The term shall also include the building or room housing used.

Occupancy

A device installed in a drainage system to prevent reverse flow.

Backwater Valve

The end of a pipe which fits into a bell. Also a word used synonymously with faucet.

Spigot

________________ 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. When a backflow prevention device does not bear a critical level marking, the bottom of the vacuum breaker, combination valve, or the bottom of any such approved device shall constitutes the critical level.

Critical Level

Includes all the pipings within public or private premises which convey sewage or other liquid wastes to a legal point of disposal but does not include the mains of a public sewer system or a public sewage treatment or disposal plant.

Drainage System

A vertical pipe, or a reservoir, into which water is pumped to give it at a head.

Standpipe

A large opening in a sewer line or part of a plumbing system constructed with sufficient size for a man to gain access therein for maintenance purposes and facility for changes of line and/or grade of pipeline.

Manhole

It is that part of a plumbing system extending from the house drain at a point 0.60 meters from the outside face of the foundation wall of a building to the junction with the street sewer or to any point of discharge, and conveying the drainage of one building site.

House Sewer

An interceptor of at least 3 cubic meters capacity to serve one or more fixtures and which is remotely located.

Grease Interceptor

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.

Pipeline Welder

A structure which any part of its structural framework will ignite and burn at a temperature of 756 degrees centigrade or less.

Combustible Construction

An arrangement of venting so installed that one vent pipe will serve two (2) traps.

Unit Vent

A standpipe that is controlled by a remote control device at each hose station.

Manually-Operated Standpipe System

Tube made of plastic material and colored black. The cross-sectional shape is normally oval and is denoted by its outside diameter or O.D. Normally used as water service connection from main to meter.

Polybutylene (PB)

A septic tank with the effluent discharging into a subsurface disposal field, into one or more seepage pits or into a combination of subsurface disposal field and seepage pit or of such other facilities as may be permitted under the procedures set forth elsewhere in this Code.

Private Sewage Disposal System

A flange that closes the end of a pipe. There is no opening for the passage of liquid or gas.

Blind Flange

NAMPAP

National Master Plumbers Association of the Philippines

The installation of all pipings and fitting parts of the plumbing system, which can be completed prior to the installation of fixtures and accessories. These include sanitary and storm drainage, tap, hot and chilled water supplies, gas pipings, vent pipings and the necessary fixture supports.

Roughing-in

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

A condition contrary to sanitary principles or injurious to health.

Insanitary

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 wastewater through it.

Trap

Shall mean direct access without the necessity of removing any panel, door or similar obstruction.

Readily Accessible

A standpipe having no permanent water inside the pipe.

Dry Standpipe

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 movement of the plane of the disc is parallel to the normal direction of the flow of water through the orifice resulting in a tortuous passage that offers a high. pressure loss.

Globe Valve

Colored black. The cross-sectional shape is CIRCULAR and is denoted by its outside diameter or O.D.

Polyethylene (PE)

A comprehensive term, including all constructions for collection, transportation, pumping, treatment and final disposition of sewage.

Sewerage

A pipe connected from the building gutter to the downspout or conductor.

Leader

Minimum Branch Interval

2.43 m

A stop valve placed at the connection of the water service pipe to the water main.

Corporation Cock

______________ is a vertical vent that is a continuation of the drain to which the vent connects.

Continuous Vent

A fitting, screwed, or caulked over the end of a pipe for closing the pipe end.

Cap

A vertical soil pipe conveying fecal matter and wastewater.

Soil Stack 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

Two offsets in succession or in series such that the centerlines of the outside ends are in the same straight line.

Double Offset

Water satisfactory for drinking, culinary and domestic purposes and meets the requirements of the Philippine National Standards for Drinking Water.

Potable Water

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 standpipe where water pressure is maintained at all times.

Wet Standpipe

A group vent pipe that starts in front of the extreme fixture connection on a horizontal branch and connects to the vent stack.

Circuit Vent

That portion of an underground system, which cannot drain by gravity into the building sewer.

Building Subdrain

An approved elastomeric sealing gasket with an approved outer shield and a tightening mechanism.

Shielded Coupling

A single area of land legally recorded or validated by other means acceptable to the Administrative Authority where a building is situated or site of any work regulated by this Code, together with the yard, court, and unoccupied space legally required for the building or works; and which is owned by or in the lawful possession of the owner of the building or works.

Lot

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

An approved plumbing fixture or device of such materials, shape and capacity to Adequately receives the discharge from indirect waste pipes, constructed and located to be readily cleaned.

Receptor

Confined Space - A room or space having a volume of less than 1.4 cu. m with ______________ kilogram calorie of the aggregate input rating of all fuel-burning appliances installed in that space.

250 kilogram calorie

Also called domestic sewage.

Sanitary Sewage

A sole proprietorship or corporation composed of Registered and Licensed Master Plumbers together with allied professionals, with the Master Plumbers composing the majority of the membership, incorporators, directors and/or executive officers and Licensed Master Plumber only render work and services within the cognizance of a Registered Master Plumber and members of the allied professions also only render work and services within the cognizance of their respective professions.

Plumbing Firm

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

Diameter

A valved outlet of a boiler that permits the discharge of accumulated sediment.

Boiler Blow-Off

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

Water-distributing Pipe

MPLE

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