PLumbing Code Flashcards
Republic Act No. 1378
Plumbing Law signed by Pres. Magsaysay
Republic Act No. 1364
Sanitary Engineering Law signed by Pres. Magsaysay
Republic Act No. 6541
Building Code of the Philippines
City Ordinance 2411
Plumbing Code for the City of Manila
issued a letter of proposal for proper waste disposal
Governor General Harrison
first Chief of the Division of Plumbing Construction and Inspection.
John F. Hass
spearheaded the updating of the Revised Plumbing Code
Jaime M. Cabase
Plumbing Engineering was first introduced?
Feati University
National Master Plumbers Association of the Philippines
NAMPAP
National Waterworks and Sewerage Authority
NAWASA
year of the plumbing trade was duly recognized by the government.
1902
NAMPAP has been registered with the Securities and Exchange Commission
1935
First licensure examination for master plumbers
July 1956
Plumbing Code was promulgated and approved by Malacañang.
January 28, 1959
Examiners and NAMPAP prepared a curriculum for Plumbing Engineering.
1966-1969
First Amendment to the Plumbing Code was approved (inclusion
of Asbestos Cement Pipe as approved plumbing material)
November 28, 1967
First fully computerized examination for master plumbers
February 23, 1994
Acrylonitrile-Butadiene-Styrene
ABS
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
shall mean direct access without necessity of removing any panel,
door or similar obstruction
READILY ACCESSIBLE
a physical separation, which may be a low inlet into the indirect waste
receptor from the fixture, appliance or device indirectly connected.
AIRBREAK
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
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
an organization primarily established for purposes of testing
to approve standards and approved by the Administrative Authority.
APPROVED TESTING AGENCY
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
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 the drainage system to prevent reverse flow.
BACKWATER VALVE
the part of the 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
a valve opened & closed by the fall & rise, respectively of an attached
ball floating on the 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
any of two or more similar adjacent fixture 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)
Also called a “stiz” bath.
BIDET
a pipe flange that is not drilled for bolt holes
BLANK FLANGE
a flange that closes the end of the pipe. There is no opening for
the passage of liquid & gas.
BLIND FLANGE
a controlled outlet of a pipeline to discharge liquid or detritus.
BLOW-OFF
a valve outlet of a boiler that permits discharge of accumulated sediment.
BOILER BLOW-OFF
any part of piping system other than the main, riser or stack
BRANCH
a length of soil or waste stack corresponding in the general to a story height, but in no case less than 2.43m 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 499 degrees centigrade, but lower than the melting temperature
of the parts to be joined.
BRAZED JOINT
Brown & Sharpe (Specification) or Bell & Spigot (Ends of Pipes)
B & S
that part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste & other drainage pipes inside the walls of the building & conveys
it to the building sewer beginning 0.6m outside the building wall.
BUILDING DRAIN
that part of the horizontal piping of a drainage system which starts from the end drain & 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. 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 receptacle in which liquids are retained for a sufficient period of
time to allow settable material to deposit.
CATCH BASIN
a person who has shown competence to test and
maintain backflow assemblies to the satisfaction of the Administrative Authority having
jurisdiction.
CERTIFIED BACKFLOW ASSEMBLY TESTER
a non-watertight lined excavation in the ground which relieves the
discharge of a sanitary drainage system or part thereof, designed to retain the organic matter & solids discharging therefrom, but permitting the liquid to seep through the bottom & 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. A.k.a. “Loop Vent”.
CIRCUIT VENT
A.k.a. “Loop Vent or Unit Vent”.
COMMON VENT
a specially designed system of waste piping embodying the horizontal wet venting of one or more sink or floor drains by means of a common horizontal waste & vent pipe, adequately sized to provide free movement of air above the flow line of
the drain.
COMBINATION WASTE & VENT SYSTEM
a structure which any part of its structural framework will ignite & burn at a temperature of 756 degrees centigrade or less.
COMBUSTIBLE CONSTRUCTION
that part of plumbing system designed & installed to serve more than (1) appliance, fixture, building or system.
COMMON
a room or space having a volume less than 1.4 m3 with 250 kilogram
calorie of the aggregate input rating of all fuel-burning appliances installed in that space.
CONFINED SPACE
a continuous vent 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 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
C-L or C/L marking on a backflow prevention device or vacuum breaker is a point conforming to approved standards & established by the testing laboratory (usually
stamped on the device by the manufacturer)
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
connections are made on the extended portion, thus permitting the stagnation of liquid or air
therein.
DEAD-END
the length of a pipe along its centerline & fittings
DEVELOPED LENGTH
is the “nominal diameter” as designated commercially:
I.D. - inside diameter
O.D. - outside diameter
DIAMATER
the liquid & water-borne wastes derived from the ordinary living
processes, free from industrial wastes & of such character that permit satisfactory 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 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 surface waters, storm water or
wastewater into a building drainage system.
DRAIN
includes all the piping 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 system or disposal plant
DRAINAGE SYSTEM
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
is the minimum cross-sectional area at the point of water supply
discharged measured or expressed in terms of: (also applicable to air gap installation)
Diameter of a circle
Diameter of a circle of equivalent cross-sectional area (if the opening is not circular
EFFECTIVE OPENING
the on-going installation of the plumbing installation of the plumbing system or any part thereof which has been installed prior to the effectivity of the National Plumbing Code.
EXISTING WORK
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 into 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 & 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
of 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 of flow at 28.3 liters per minute or (1 cu.ft. per minute)
FIXTURE UNIT
- the level in a fixture at which water begins to overflow over the
top of rim of the fixture
FLOOD LEVEL
is the top edge of the receptacle from where water overflows.
FLOOD LEVEL RIM
a fixture is flooded when the liquid therein rises to the flood level rim.
FLOODED
a tank located above or integral with 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 or similar fixtures.
FLUSH VALVE
is integrated within a n air accumulator vessel which is designed to discharge a predetermined quantity of water into fixtures for flushing purposes.
FLUSHOMETER TANK
is a device, which discharges a predetermined quantity of water
into fixtures for flushing purposes & 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 a machine-smoothed faces, at right angles to the direction of flow. The disk
is raised or lowered by means of a threaded stem connected to the handle of the valve. The opening in the valve is usually as large as the full bore of the pipe.
GATE VALVE
a valve in which the flow of fluid is cut off by means of a circular
disc that fits over & against the horizontal valve seat.
GLOBE VALVE
a return bend of a small sized pipe, one end of which is about 30cm long & the other end is about 7.5cm long. It is commonly used as a faucet for a pantry sink. Also, the term means the flexible tubing connection between the service pipe & the water main.
GOOSENECK
an interceptor of at least 3 cubic meters capacity to serve one or
more fixtures which is remotely located.
GREASE INTERCEPTOR
a device designed to retain grease from 1 to a maximum of 4 fixtures.
GREASE TRAP
a branch vent that performs its functions for 2 or more traps
GROUP VENT
- 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
- is any pipe or fitting installed in a horizontal position or which forms an angle of not more than forty-five 45 degrees from the horizontal plain.
HORIZONTAL PIPE
is that part of the lowest horizontal piping of a plumbing system which receives the discharges from soil, waste and other drainage pipes inside of a building and conveys it to the house sewer outside of the building.
HOUSE DRAIN
is that part of a plumbing system extending from the house drain
at a point 0.60m 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
is the pipeline from the building to the public or street storm drainage
system.
HOUSE STORM SEWER
are cast iron soil pipes with plain ends connected together with
bolted stainless steel bands and neoprene gaskets.
HUBLESS PIPES
is a pipe that does not connect directly with the drainage system but conveys liquid wastes by discharging into a plumbing fixture, interceptor or receptacle directly connected to the drainage system
INDIRECT WASTE PIPE
is a pipe installed to vent a fixture trap & which connects with the vent
system above the fixture served to terminate in the open air. (a.k.a. backvent)
INDIVIDUAL VENT
any and all liquid or water-borne waste from industrial or commercial processes, except domestic sewage.
INDUSTRIAL WASTE