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PLUMBING - the art and technique of installing pipes, fixtures and otherapparatuses in

buildings for bringing in the supply, liquids, substances and/oringredients

and removing them and such water, liquid and other carriedwastes

hazardous to health, sanitation, life) property also the pipes andfixturesafter installation and the plumbing system.

PLUMBING APPLIANCE - any one of a special class of device or equipmentintended to

perform a special plumbing function. Its operation and/or controlmay be

dependent upon one or more energy components such asmotors, heating

elements and pressure-temperature-sensing elements. Pipe

hangers andsupport are considered one.

PLUMBING APPURTENANCE - a manufactured device or a prefabricatedassembly or an

on-the-job assembly of component parts, and serves as adjunctto the

basic piping system and plumbing fixtures. An appurtenancedemands no

additional water supply nor does it add any discharge load to afixture or

the drainage system.

PLUMBING FIRM- a sole proprietorship or corporation composed of Registeredand

Licensed Master Plumbers together with allied professionals, withthe

Master Plumbers composing the majority of the membershipincorporators, directors and/or executive officers and Licensed

MasterPlumber only render work and services within the cognizance of

a

Registered Master Plumber and members of the alliedprofessions also

only render work and services within the cognizance of theirrespective

professions.

PLUMBING FIXTURES - are approved-type installed receptacles, devices orappliances

supplied with water or receive liquid or liquid-borne wastes anddischarge

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such wastes into the drainage system to which they may bedirectly or

indirectly connected. Industrial or commercial tanks, vats andsimilar

processing equipment are not plumbing fixtures, but may beconnected to

or discharged into approved traps or plumbing fixtures as

provided for inthis Code. Floor drain is consider to be a fixture.

PLUMBING OFFICIAL - the Administrative Authority or the officer charged withthe

administration and enforcement of the National Plumbing Code,or his

regularly authorized deputy.

PLUMBING SYSTEM - includes all potable water supply and distribution pipes,all

plumbing fixtures and traps; all sanitary and storm drainagesystems,vent pipes, roof drains, leaders and downspouts; and all building

drainsand sewers, including their respective joints and connections;

devices,receptacles, and appurtenances within the property, water lines

in thepremises: potable, tap, hot and chilled water piping, potable

watertreating or using equipment; fuel gas piping; water heaters and

vents forsame.

PLUMBING UNIT - a minimum standard quantity of plumbing fixtures thatdischarge

wastes into a plumbing installation including:

(1) water meter(1) water closet(1) lavatory(1) shower head and drain tor a bathtub or shower stall(1) kitchen sink

(1) laundry tray(3) floor drain(4) faucets/hose bibb13 total plumbing fixture minimum

MASTER PLUMBER - a person technically and legally qualified and licensed topractice

the profession of Master Plumbing without limitations inaccordance with

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Republic Act 1378, having passed the examination conducted bythe

Professional Regulation Commission, has received a Certificate ofRegistration from the Board of Master Plumbing and

possesses the currentlicense to practice.

NATIONAL PLUMBING CODE governs the practice of plumbing in thePhilippines, thedesign, installation and used of plumbing fixtures and materials

inbuilding.

INVERT ELEVATION the lowest portion of the interior part of any pipe orconduit that

is not vertical. The measurement of the inner wall of the pipe.

DRUM TRAP a cylindrical trap commonly used on the drain pipe from the

bathtub or under the bathroom floor.

INTEGRAL TRAP trap that is built-in in the water closet.

SOIL PIPE any pipe, which conveys the discharge of water closet, urinal orfixtures

having similar functions, with or without the discharges fromother fixtures

to the building drain or building sewer.

GRAY WATER water coming from the lavatory, bathtub, etc. that flows into

the WastePipe.

BLACK WATER water coming from water closet, urinal and the like thatflows into the

Soil Pipe.

14.75 psi ATMOSPHERIC PRESSURE from the VTR.

AIR GAP the unobstructed vertical distance through the free atmospherebetween the lowest openings of the pipe, plumbing fixture, appliance or

appurtenance to the flood level rim of the receptor/fixture.

AIR BREAK a physical separation. which may be a low inlet into the indirectwaste

receptor from the fixture, appliance or device indirectlyconnected, at least

25mm.