chapter 2 Flashcards
**
ADS
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 fiom 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 tlood-level rim of any tank, vat or fixture.
AIR GAP, WATER DISTRIBUTION
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 Professiona\ 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 SOOT agencies concerned, to authorize and support PRC Accredited Bonafide Professional Organizations only, and their members to organize, host, sponsor or rcprc~ent the Filipino Professionals in national, regional and international fora, further and conventions where the concerned professions arc involved; and orders directs
that all government agencies and instrumentalities shall give priority to bonafide members of the accredited
professional 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 iri 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.
BALL 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 rt.~ceive the end of another pipe of the same
diameter for the purpose of making rt caulked or push-on joi nt
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 hmizontal 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 pat1 of the horizontal piping of a drainage system which starts from the end of the building drain and which ref.:eives 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 ~
suflicient period of time to allow settleable material to deposit.
CATCH BASIN
a person who has
shown compct(‘ncc to test and maintain backtlow assemblies to the
satisfaction of the Administratiw Authority having jurisdiction.
CERTIFIED BACKFLOW ASSEMBLY TESTER
a non-watertight lined excavation in .thl! ground which
receives the discharge of a sanitttry drainage system or part thereof,
d~signed to retain the organic matter and solids discharging thcretrom, 0ut
permitting the li4uid 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.
Sec loop’ vent, also.
CIRCUIT VENT -
Sec Interceptor.
CLARIFIER
The word ‘‘Code” or “this Code,” when U5ed alone, shall mean
these regulations, subsequent amendments thereto or any emergency rule
or regulation which the Administrative Authority having jurisdiction may
lawfully adopt .
CODE
- 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 it!>
stmctural 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 I 4 cu.
m with 250 kilogram calorie of the aggregate input rating of all fuelbmning applianc~s 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 (;:fld
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 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 Administrative
Authority and includes any other law enforcement agency concerned by any
provision of this Code, whether St1ch agency is specifically named or not.
DEPARTMENT HAVING JURISDICTION
the extended portion of a pipe that is closed at one end to
which no councctions arc made on the exl.cndcd portion, thus permitting the
stagnation of liquid or air therein.
DEAD-END
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
see 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
fh.ture branch.
FIXTURE SUPPLY
is an arbitrary quantity in terms of which the loadproducing efTects or water requirements on the plumbing system of different
kinds of plumbing fixtures are cxpres~cd in some arbitrarily chosen scale.
One fixture unit is equivalent to a rate of flow at 28.3 liters per minute ( l cu.
ft./minute).
FIXTURE UNIT
the level in a fixture at which water begins to overflow
ovc:r 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.
GWBE 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
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 centiEleters per
meter or percentage slope of pipe.
GRADE
an interceptor of at least 3 c.ubic meters
capacity to serve one or more fixtures and which is remotely located.
GREASE INTERCEPTOR
a device designed to retain grease from one to a maximum of tour fixtures .
GREASE TRAP
the water that stands in or passes through the ground .
GROUND WATER
a branch vent that performs its functions for two (2) or
more traps.
GROUP VENT
see Supports.
HANGERS
- the vertical distance from the “Grade Line” to the highest point of the coping of a tlat roof or to the top line of n :”J1?.<itt
roof or to the average height of the highest gable of a pitch or hip-roof
HEIGHT OF BUILDING
see Contamination.
HIGH HAZARD -
- 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
with the horizontal plane.
HORIZONTAL PIPE
is that part of the lowest horizontal piping of a plumbing
system which receives the dischaiges 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 0.60 meters from the outside face of the foundation
walt 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.
HURLESS 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 and which collects with the vent system above the fixture se1ved or terminates in the open air.
INDIVIDUAL VENT
any and aJI liquid or water-borne waste from
industrial or commercial processes, except domestic sewage.
INDUSTRIAL WASTE
I.P.S.
means Iron Pipe Size
a condition contrary to sanitary principles or injurious to
health .
INSANITARY
is a device designed and installed to
separate and retain deleterious, hazardous or undesirable matters from
normal wastes and permits normal sewage or liquid wastes to discharge into
the disposal terminal by gravity.
INTERCEPTOR (CLARIFIER)
The lowest portion of the interior part of any pipe or conduit that is not vertical.
INVERT
the Administrative Authority under the Department of
Health, the Department of Public Works & Highways, the Department of
Interior and Local Government, the City Mayors of Chartered Cities,
Environmeatal Management Bureau (D.E.N.R) and other government:
entities that regulate the practice of Registered & Licensed Master
Plumbers.
JURISDICTION
equipment or materials bearing a label of a listing agency.
AH labels shall be embossed, stamped or indelibly marked with stickers,
glued on the tinished product indicating the weight, specifications and logo
of the manufacturer.
LABELED
· in plumbing, a secondary pipeline. In sewerage, a common
sewer to which no other branch sewer is connected. It receives sewage from
building sewer service connections only.
LATERAL
- a water closet consisting of a continuous trough containing
water. The trough extends under two or more adjacent seats. Prohibited by
health authorities for pennanent installations.
LATRINE
a fixture designed for the washing of the hands or face.
Sometimes called a wash basin.
LAVATORY
a cesspool that is not watertight.
LEACHING CESSPOOL
- (See Conductor) - a pipe connected from building gutter to the
downspout or conductor.
LEADER
is measured along its cente-rline.
LENGTH OF PIPE
- is the discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive
fecal matter.
LIQUID WASTE
equipment or materials included in a LIST published by a listing
agency that maintain 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
· is an agency accepted by the Administrative
Authority in the business of listing nr labeling and which maintains a
periodic inspection program on curn~nt produc1ion of listed modefs, and
makes available a published repot1 of such listing where specific
information is included tint the product has been tested against approved
standards and found safe for use in a sp~citic manner.
LISTING AGENCY
- a pipe or shaft to convey foul air from a plumbing fixture
or a room to the outer air.
LOCAL VENT -
a vertical vent connection on a horizontal
soil or waste pipe branch at a point downstream of the last fixture
cormection and turning to a horizontal line above the highest overflow level
of the highest fixture connected thereat; the tenninus connected to the stack
vent in the case of loop venting or to the vent stack nearby in the case of
circuit venting.
LOOP OR CIRCUIT VENT
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 i!
owned by or in the lawful possession of the owner of the building or works.
LOT
- see Pollution.
LOW HAZARD
any system of continuous piping, which is the principal artery of
the system where branches are connected.
MAIN
see Public Sewer.
MAIN SEWER
- the p1incipal artery of the venting system to which vem
branches are connected .
MAIN VENT
a large opening in a sewer line or part of a plumbing system
constmcted with sufficient size for a man to gain access therein for
maintenance purposes and facility for changes of line and/or grade of
pipdine .
MANHOLE
a person technically and legally qualified anc
licensed to practice the profession of Master Plumbing without limitations in
accordance with Republic Act 13 78. having passed the examinatiom
conducted by the Professional Regulation Commission, has received a
C’e.rtificate of Registration from the Board of Master Plumbing and possesses
the current license to practice.
MASTER PLUMBER
the word “may” is a permissive tenn.
MAY
that part of the horizontal piping of
sanilary drainage system which measures 0.6 meter downstream from the last
mobile home site and conveys sewage to a public sewer, private sewer,
individual sewage disposal system or other points of disposal.
MOBILE HOME PARK SEWER
National Master Plumbers Association of the Philippines.
NAMPAP
includes, but is not limited to the following:
* Any public nuisance known in common law or in equity jurisprudence~
* Whenever any work regulated by this Code is dangerous to human life or detrimental to health and property~ and
* Inadequate or unsafe water supply and or sewage disposal system.
NUISANCE
hemp or old hemp rope soaked in oil or tar to make it
waterproof.
OAKUM
- the purpose for which a building is used or intended to be
used. The term shall also include the building or room housing used.
Change of occupancy is not interpreted to mean change of tenants or
proprietors.
OCCUPANCY
- in a line of piping is a combination of elbows or bends, which
brings one st..~tion of the pipe out of line but into a line parallel with the
original section.
OFFSET
- a natural person, his heirs, executors, administrators or assigns;
and also includes a firm, partnership or corporation, its or their successors or
assigns or agents of any of the aforesaid
PERSON
Polybutylene. Tube made of plastic material and colored black. The
cross-sectional shape is nonnally oval and is denoted by its outside diameter
or 0.0. Nom1ally used as water service connection from main to meter.
PB
Polyethylene. Tube made of plastic material and colored black. The
cross-sectional shape is cir~lar and is denoted by its outside diameter or
O.D.
PE
a cylindrical conduit or conductor conforming to the particular
dimensions commonly known as .. pipe size, and is denoted by its interior
diameter or l.D.
PIPE
see Grade .
PITCH
the Nt and t~hnique 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 carriedwastes hazardous to health, sanitation, life) property~ also the pipes and
fixtures after installation i.e., the plumbing system
PLUMBING
· any one of a special class of device or
equipment intended to perform a speciaf plumbing function. Its operation
and/or control may be dependent upon one or more energ~ components,
such as motors, controls, heating elements and pressure-temperature-sensing
elements. Such device or equipment may operate automatically through one
or more of the following actions: a time cycle, a temperature range, a
pressure range, a measuted volume or weight~ or the device or equipment
may be manually adjusted or controlled by the user or operator.
PLUMBING APPLIANCE -
a manufactured device or a prefabricated
assembly or an on-the-job assembly of component parts, and serves as adjunct
to the basic piping sy~tem and plumbing fixtures. An appurtenance demands
no additional water supply nor does it add any discharge load to a fixture or
the drainage system. It performs some useful functions in the operation,
maintenance, servicing, eccnomy or Sclfety of the plumbing system.
PLUMBING APPURTENANCE
- a sole proprietorship or corporation composed of
Registered and Licen:)ed Master Plumbers together with allied professionals,
wi.th the Master Plumbers composing the majority of the members~ip,
incorporators, directors and/or executive officers and Licensed Master
Plumber only render work and services within the cognizance of a Registered
Master PJumber and members of the allied professions also only render work
and services within the cognizance of their respective professions.
PLUMBING FIRM
are approved-type installed receptacles. devices
or appliances supplied with water or receive liquid or liquid-borne wastes and
discharge such wastes into the drainage system to which they may be directly
or indirectly connected. Jndustrial or commercial tanks, vats and similar
processing equipment are not plumbing fixtures, but may be connected to or
discharged into approved traps or plumbing fixtures as provided for jn this
Code
PLUMBING FlXTURE
the Administrative Authority or the officer
charged with the administration and enforcement of the National Plumbing
Code, or his regularly authorized deputy.
PLUMBING OFFICIAL
includes all potable water supply and distribution
pipes, ali plumbing fix.tures and traps; all sanitary and storm drainage systems~
vent pipes, roof drains, leaders and downspouts; and all building drains and
sewers, including their respective joints and connections; devices, receptacles,
and appurtenances within the property~ water lines in the premises: potable,
tap, hot and chilled watt!r pipings~ potable water treating or using equipment;
fuel gas piping; water heaters and vents for same.
PLUMBING SYSTEM -
a minimum standard quantity ofplumbing fixtures that
discharge wastes into a plumbing installation induding: one (I) water meter,
one (I) water closet, one (I) lavatory, one ( l) shower head and drain tor a
bathtub or shower stall, one ( 1) kitchen sink, one ( 1) I au ndry tray and three ( 3)
t1oor drains ~nd ~ou~ (4) faucets/hose bibb.
PLUMBING UNIT
an impairment of the quality of the water to a degree which
creates hazard to the public health and adversely affects the aesthetic and
potable qual it irs of waters for domestic usc .
POLLUTION
water satisfactory for drinking, culinary ar.d
domestic purposes and meets the requirements of the Philippine National
Standards for Drinking Water.
POTABLE WATER
the normal force exerted by a homogeneous liquid or gas,
per unit of area on the wall of the container
PRESSURE·
the pressure existing without any flow motion.
STATIC PRESSURE
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.
RESlDUAL PRESSURE -
- of the building drain is the single sloping drain
from the base of a stack to its junction with the main building drain.
PRIMARY BRANCH
- In classification of plumbing fixtures,
“private” applies to plumbing fixtures in residences and apartments, to
private bathrooms in hotels and hospitals, to rest rooms in commercial
establishments for restricted use, single fixture or group of single fi xtures
and to similar installations where the fixtures are intended for the usc of a
family or an individual.
PRIVATE OR PRIVATE USE
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 building sewer, which receives the discharge from
more than one building drain and conveys it to a public sewer, private
sewage disposal system, or other points of disposaL
PRIVATE SEWER -
- an outhouse or structure used for the deposition of excrement.
PRIVY
a pit beneath a privy where excrement collects .
PRIVY VAULT
In the classification of plumbing fixtures,
“public” or “public use” shall mean all buildings or structures that are not
defined as private or private use .
PUBLIC OR PUBLIC USE
- a common sewer directly controlled by publk
authority to which all abutters have equal rights of connections.
PUBLIC SEWER
- Polyvinyl Chloride. Potable water pipings are color-coded BLUE.
Drainpipes are manufactured with toxic components and are color-coded
gray, orange or brown.
PVC
all plumbing fixtures and materiats used in
any discharge or plumbing system or pa11s thereof shall be free from defects.
QUALITY OF MATERIALS
an approved plumbing fixture or device of such materials,
shape and capacity to Adequately receive the discharge from indirect waste
pipes, constructed and located to be readily cleaned.
RECEPTOR
include alJ valves and controls used in
plumbing systems which are accessible.
REGULATING EQUIPMENT
a vertical vent line, the primary function of which is to
provide additional circulation of air between the drainage and vent systems
or to act as an auxiliary vent on a specially designed system such as a ‘‘yoke
vent” connection between the soil and vent stacks.
RELIEF VENT
the reconstruction or renewal of any part of an existing building
for its maintenance. The word “repair” or “repairs” shall not apply to any
change of constmction or occupancy.
REPAIR
an open return bend usually made up two 90° bends
with inside and outside threads, flanged or welded fittings~ and applied also
to a one hundred eighty degrees bend in copper tubings.
RETURN BEND -
see backvent pipe .
REVENT PIPE
an unobstructed top open edge of a fixture.
RIM
a water supply pipe, which extends vertically to one full story or
more to convey water into pipe branches or plumbing fixtures.
RISER
- 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, t<!p, hot
and chilled water supplies, gas pipings, vent pipings and the necessary
fixture supports.
ROUGHING-lN
see Interceptor.
SAND INTERCEPTOR
the wastewater containing human excrements
and liquid household waste. Also called domestic sewage
SANITARY SEWAGE
a sewer intended to receive sanitary sewage with or
without pre-treated industrial wastes and without the admixture of rain or
ground water.
SANITARY SE\VER -
the vertical distance between the dip and the crown weir of a trap .
Also, the water in the trap between the dip and the crown weir .
SEAL
- any branch in a building dra\n other than the
primary branch.
SECONDARY BRANCH
a loosely lined excavation in the ground. which receives
the discharge of a septic tank and designed to pemut the effluent from the
septic tank to seep through pit bottom and sides .
SEEPAGE PIT
- a water-tight receptacle which receives the discharge of a
sanitaty plumbing system or part thereof, designed and constructed to retain
solids, digest organic matter through a period of detention and to allow the
liquids to discharge into the soil outside of the tank through a system of
open-jointed sub-surface pipings or a seepage pit meeting the requirements
of this Code .
SEPTIC TANK
the pipe from the street water main or other source of
waler supply to the building served .
SERVICE PIPE
any wastewater containing animal or vegetable matter in
suspension or solution and may include liquids containing chemicals in
solution .
SEW AGE
a pipe or conduit for carrying sewage and wastewater .
SEWER
a comprehensive term,
including all constructions for collection, transportation. pumping. treatment
and. final disposition of sewage
SEWERAGE OR SEWERAGE WORKS
a vertical opening through a building for elevators, dumbwaiters,
lights. ventilation or similar purposes.
SHAFT
a huse fitting with clapper valves for
combining the flow from two or more Jines of hose into a single stream.
The inlet fitting of a fire standpipe located above ground level.
SIAMESE CONNECTION
a suction created by the flow of liquids m pipes. A
pressure less than atmospheric.
SIPHONAGE
the word “shall” denotes mandatory acceptation.
SHALL
an approved clastomeric sealing gasket with an approved outer shield and a tightening mechanism.
SHIELDED COUPLING
a building designed as a home by the
owner of such building, and shalJ be the only dwelling located on a parcel of
ground with the usual accessory building.
SINGLE FAMILY DWELLING
see Diameter.
SIZE AND TYPE OF TUBING -
- an adjustable tubing connection, consisting of a
compression nut, a friction ring, and a compression washer. designed to fit a
threaded adapter fitting or a standard taper pipe thread.
SLIP JOINT
see Grade .
SLOPE
- a vertical soil pipe conveying fecal matter and wastewater.
SOIL STACK PIPE
any pipe, which conveys the discharge of water closet, urina!
or fixtures having similar functions, with or without the discharges from
other fixtures to the building drain or building sewer.
SOIL PIPE
a pipe joint obtained by joining metal parts with
metallic mixtures or alloys which melt at a temperature below 427 degrees
centigrade and above 149 degrees centigrade .
SOLDERED JOINT
the end of a pipe which fits into a bell. Also a word used
synonymously with faucet.
SPIGOT
- wastes which require some special methods of
handling such as th<’ usc of in(Hrc.ct waste piping and receptors; corrosionresistant piping~ sand, oil or grcasl~ intc1ceptors ~ condensers or other
pretreatment facilities.
SPECIAL WASTES
the vertical main of a system of soil, waste or vent ptpmgs
extending through one or more stories and extended thru the roof
STACK
- a vertical pipe, or a reservoir, into which water is pumped
to give it at a head, classified as:
STANDPIPE
water pressure is maintained at all times
Wet Standpipe
- operates automatically by
opening a hose valve
Automatic Standpipe System
remote control
device al each hose station; and
Manually Operated Standpipe System -
- having no permanent water inside the pipe.
Dry Standpipe
R- that portion of the rainfall or other precipitation which
runs ofT over the earth surface after a storm .
STORM WATER
that portion of a building included between the upper surface of
any floor and the upper surface of the floor next above .
STOREY
- an underground drainpipe that receives only subsurface or seepage water and convey it to a sump for disposal by gravity
flow or by lift pump.
SUBSOIL DRAIN
the. extension of a soil or waste stack above the highest
horizontal drain connected to the stack. The uppermost end above the roof
is called stack vent through roof (SVTR) .
STACK VENT -
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
supports, hangers, anchors, brackets, cradles are devices for
holding and securing pipes and fixtures to walls, ceiling, floors or structural
members.
SUPPORTS
that portion of rainfall or other precipitation which runs off over the surface of the ground .
SURFACE WATER
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
he pipe or tubing that connects the outlet of a plumbing
fixture to the trap.
TAILPIECE
- a tee with the branch tapped to receive a threaded pipe or
fittings.
TAPPED TEE
- a fitting or device designed and constructed to provide, when
properly vented, a liquid seal wh\ch prevents the backflow of foul air or
methane gas without materially affecting the flow of sewage or wastewater
through it.
TRAP
that portion of a fixture drain between a trap and the vent.
TRAP ARM
the maximum vertical depth of liquid that a trap will retai~
measured between the crown weir and the top of the dip of the trap.
TRAP SEAL -
a cylindrical conduit or conductor C4.:mfonning to the particular
dimensions known as “tube sizes” and denoted by its outside diameter or
oo:
TUBE
a room space having a volume equal to at least
1.4 c.u. m. of the aggregate input rating of the fuel-burning appliance
installed in that space. Rooms adjacent and open to the space where the
appliance is installed, through openings not furnished with doors, are
considered a part of the unconfined space .
UNCONFINED SPACE
an arrangement of venting so installed that one vent pipe will serve two (2) traps.
UNIT VENT
an air pressure less than atmospheric. Also, implies siphonage in piping system.
VACUUM
sec Backtlow Prevcnter
VACUUM BREAKER
a pipe or opening used for ensuring the circulation of air in a
plumbing system and for relieving the negative pressure exerted on trap
seals.
VENT 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
- pipes installed to provide flow of air to or from a
drainage system or to provide a circulation of air within such system to
protect traps seals from siphonage and back pressure.
VENT SYSTEM
any pipe cr fitting installed in a vertical position or
which forms an angle of not more than forty-five (45) degrees with the
vertical line.
VERTICAL PIPE
see Liquid Waste and Industrial Waste.
WASTE
:1 pipe, which conveys only wastewater or liquid wa te,
free of fel~al matter.
WASTE PlPE
a device which conditions cr treats water
supply to improve water quality, remove suspended solids by filtration.
WATER TREATMENT
a pipe which conveys potable water
from the building supply pipe to the plumbing fixtures and other water
outlets.
WATER- DISTRIBUTING PlPE
- or street main is the water-supply pipe for public or
community use.
WATER MAIN
- of a building or premises 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 potablt! water.
WATER SUPPLY SYSTEM
· that portion of a vent pipe through where wastewater also
fl ows through.
WET VENT
-any joint or seam obtained by the joining
of metal parts in a plastic molren state.
WELDED JOINT OR Sf:AM
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.
WELDER, PIPELINE-
a hose connection with tw ~gated outlets permitting two
connections of the same or smaller coupling diameter to be taken from a
single supply line. Also, a pipe fitting of three branches that form the letter “wye”.
WYE
- an open. unoccupied space, other than a court, unobstructed from
the ground to the sky, except where specifically provided in this Code.
YARD
- a pipe connecting upward from a soil or waste stack below
the floor and below horizontal connection to an adjacent vent stack at a
point above the tloor and higher than highest spill level of fixtures for
preventing pressure changes in the stacks.
YOKE VENT -
