RNPCP CHAPTER 2 Flashcards
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, shalt mean having access thereto, but which may require prior removal of an access panel, door or similar obstruction. “Readily accessible” shall mean direct access without the necessity of removing any 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.
AIRBREAK
the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe, plumbing fixture, appliance or apputtenance 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 DISTRBUTION
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
The Administrative Authority including the Building Ofiicial, the Commission, the Board and such other drpartment or agency established and authorized to administer and enforce the provisions of Republic Act 13 78 - The Plumbing Code of the Philippines, Presidential Decree No. 223~ as amended by P.D. 657 - creating the Professkmal Regulation Commission and prescribing its powers and functions, and Letter of Instruction No. 1000 - ordering and directing the Professional Regulation Commission (PRC), the former Ministry of Human Settlements, the Departments of Foreign Affairs, Education and Culture, Public Works and Highways, Tourism, Transportation and Communication all 5OOT agencies concerned, to authorize and support PRC Accredited Bonafide Professional Organizations only, and their members to organize, host, sponsor or represent the Filipino Professionals in national, regional and international fora, conventions where the concerned professions are involved; and further orders and directs that all government agencies and instrumentalities shall give priority to bonafide members of the accredited profesional organizations in the hiring of its employees and engagement of professional services.
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
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 retuming 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. See backflow
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. See Revent pipe.
BACKVENT PIPE
a valve opened and closed by the fall and 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
BALI, JOINT
a room equipped with a shower stall or bathtub
BATHROOM
any of two or more similar 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 other pipe of the same diameter for the purpose of making rt 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
A pipe tlange 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 valved 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
see Fixture Branch
BRANCH, FIXTURE
see Horizontal Branch
BRANCH, HORIZONTAL
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 t.he 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 pat1s designed for the housing. shelter, enclosure or support of persons> animals or prope11y 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. 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 backtlow assemblies 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 sanitttry drainage system or part thereof, designed to retain the organic matter and solids discharging thcretrom, but permitting the liquid to seep through the bottom and sides of the cesspool.
CESSPOOL
a vertical shaft for installarion 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 h01izontal branch and connects to the vent stack. See loop’ vent, also
CIRCUIT VENT
Sec Interceptor.
CLARIFIER
The word ‘‘Code” or “this Code,” 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
CODF
sec unit vent and dual vent
COMMON VENT
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 horizontal 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
that part of a plumbing system designed and installed to serve more than one ( 1) appliance, fixture, building or system
COMMON
a mom or space having a volume less than 14 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
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 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. An inner court is a court entirely within the exterior walls of a building. All other courts are outer courts.
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 rcceptable 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 shaH constitute the critical level.
CRITICAL LEVEL
any connection or arrangement, physical or otherwise, between a potable water supply system and any plumbing fixture or any tank. receptable, equipment or device, through which enables on-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 arc 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
unless specifically stated, the term “diameter’’ 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-home wastes derived from the ordinary living processes, free trom industrial wastes and 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 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, stonn water or wastewater into a building drainage system
DRAIN
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 vent that does not carry liquid or water-borne wastes.
DRY VENT
sec Unit Vent
DUAL VENT
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 con·espond 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 of a circle of equivalent cross-sectional area. (This is applicable also to air gap installation.)
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 Jiving 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 from 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.
FlXTURE DRAIN
a water supply pipe connecting the fixture with the future branch.
FIXTURE SUPPLY
is an arbitrary quantity in terms of which the loadproducing effects or water requirements on the plumbing system of different kinds of plumbing fixtures are expressed in some arbitrarily chosen scale. One fixture unit is equivalent to a rate of 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 surrounding walls of a building (or portion thc1eof), exclusive of vent shafts and courts.
FLOOR AREA
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 waster closet and similar fixtures
FLUSH VALVE
is integrated within an 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 predetennined quantity of water into fixtures for flushing purposes and is actuated by direct water pressure.
FLUSHOMETER VALVE
a valve in which the flow ofwater is cut off by means of a circular disc fitted against machine-smoothed faces, at righl angles to the direction of flow. The disk is raised or lowered by means of a threaded stern 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 and against the horizontal valve seat. The movement of the plane of disc is parallel to the nonnal direction of flow of water through the orifice resulting to a tortuous passage which offers a high pressure loss
GLOBE VALVE
a return bend of small-sized pipe, one end of which is about 30 em. long and the other end is about 7. 5 em. 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