Plumbing Code Flashcards
When was the birth of the plumbing profession in the Philippines
17th Century
Known as Intramuros was established by the Spaniards as a model community.
Walled City
Who built the government buildings, residential and other structures incorporated European standards in their plumbing installations?
Friar Engineers
The recognized plumbers who act as consultants of plumber journeymen on matters pertaining to plumbing installations in villas and mansions.
Ilustrados
Who issued a letter of instruction on proper waste disposal in all municipalities?
Governor General Harrison
When was the Plumbing Trade duly recognized by the government?
1902
Who was the first Chief of the Division of Plumbing Construction and Inspection?
John F. Hass
When was organized the National Master Plumbers Association of the Philippines (NAMPAP) and had it registered with the Securities and Exchange Commission.
1935
City Ordinance 2411 known as the _________
Plumbing Code for the City of Manila
R.A. 1378 known as the _________
Plumbing Law of the Philippines
When was R.A. 1378, otherwise known as the Plumbing Law of the Philippines was signed by President Ramon Magsaysay.
June 18, 1955
When was the National Plumbing Code of the Philippines prepared by the NAMPAP promulgated and approved by Malacañang.
January 28, 1959
When was the Board of Examiners for Master Plumbers and the NAMPAP prepared a Curriculum for Plumbing Engineering that was approved by the Department of Education and was first introduced at the Feati University?
1966-1969
When was the First Amendment to the National Plumbing Code approved, which affected the inclusion of “Asbestos - Cement Pipe” as approved plumbing material?
November 29, 1967
Republic Act No. 6541 known as the _________
Building Code of the Philippines
Principle No. ___ - All premises intended for human habitation, occupancy or use shall be provided with a supply of pure and wholesome water, neither connected with unsafe water supplies nor subject to hazards of ___________ or ____________.
1 - Backflow or back-siphonage
Principle No. ___ - Plumbing fixtures, devices and appurtenances shall be supplied with water in sufficient volume and at pressure adequate to enable them to function satisfactorily and without ___________ under all normal conditions of use.
2 - undue noise
Principle No. ____ - Plumbing shall be designed and adjusted to use the _________ quantity of water consistent with proper performance and cleaning.
3 - minimum
Principle No. ___ - Devices for heating and storing water shall be so designed and installed as to prevent dangers from __________ through overheating.
4 - explosion
Principle No. ____ - Every building having plumbing fixtures installed and intended for human habitation, occupancy or use on premises abutting on a street, alley or easement where there is a _________, shall be connected to the sewer system.
5 - public sewer
Principle No. ____ - Each family dwelling unit on premises abutting on a sewer or with a private sewage-disposal system shall have at least ____ water closet and _____ kitchen type sink. Further, a lavatory and bathtub or shower shall be installed to meet the basic requirements of sanitation and personal hygiene.
6 - one, one
Principle No. ___ - Plumbing fixtures shall be made of _______________ material, free from concealed fouling surfaces and shall be located in ventilated enclosures.
7 - smooth non-absorbent
Principle No. ____ - The drainage system shall be designed, constructed and maintained to safeguard against fouling, deposit of solids, clogging and with adequate _____________ so arranged that the pipes may be readily cleaned.
8 - cleanouts
Principle No. ____ - All pipings of plumbing systems shall be of durable ____________ APPROVED materials, free form defective workmanship, designed and constructed by Registered Master Plumbers to ensure satisfactory service.
9 - NAMPAP
Principle No. ____ - Each fixture directly connected to the drainage system shall be equipped with a _________.
10 - water-sealed trap
Principle No. ____ - The drainage piping system shall be designed to provide adequate circulation of air free from ___________, aspiration or forcing of trap seals under ordinary use.
11 - siphonage
Principle No. _____ - __________ shall extend to the outer air and installed to pre-empt clogging and the return of foul air to the building.
12 - Vent terminals
Principle No. ____ - Plumbing systems shall be subjected to such tests to effectively disclose all leaks and defects in the workmanship.
13
Principle No. _____- No substance which will clog the pipes, produce explosive mixture, destroy the pipes or their joints or interfere unduly with the sewage-disposal process shall be allowed to enter the building drainage system.
14
Principle No. ____ - Proper protection shall be provided to prevent __________ of food, water, sterile goods and similar materials by backflow of sewage. When necessary, the fixture, device or appliance shall be connected indirectly with the building drainage system.
15 - contamination
Principle No. ____ - No _______ shall be located in a room or compartment which is not properly lighted and ventilated.
16 - water closet
Principle No. ____ - If water closets or other plumbing fixtures are installed in buildings where there is no sewer within a reasonable distance, suitable provision shall be made for disposing of the building sewage by some accepted method of ___________ and disposal, such as a septic tank.
17 - sewage treatment
Principle No. ____ - Where a plumbing drainage system may be subject to backflow of sewage, suitable provision shall be made to prevent its _______ in the building.
18 - overflow
Principle No. ____ - Plumbing systems shall be maintained in serviceable condition by _____________________.
19 - Registered Master Plumbers
Principle No. ____ - All _______________ shall be installed properly spaced, to be accessible for their intended use.
20 - plumbing fixtures
Principle No. ___ - Plumbing shall be installed by Registered Master Plumbers with due regard to the preservation of the strength of structural members and the prevention of _________ to walls and other surfaces through fixture usage.
21 - damage
Principle No. ____ - Sewage or other waste from a plumbing system which may be deleterious to surface or sub-surface waters shall not be discharged into the _______ or into any waterway, unless first rendered innocuous through subjection to some acceptable form of treatment.
22 - ground
Shall not act in an _____________________ and demand any remuneration other than his/her original charges except for additional services not covered in the basic contract
unprofessional manner
Shall not __________ another Registered Master Plumber after definite steps have already been taken toward his/her being commissioned to perform the contract;
supplant
Shall not __________ another Registered Master Plumber by reducing his/her professional fees after being informed of the fees charged by the other Registered Master Plumber
underbid
Shall not take the advantage of a _____________ position to compete unfairly with a practicing Registered Master Plumber
salaried government
Shall not allow the use of his/her License as Registered Master Plumber for a fee to an unlicensed Master Plumber in plumbing works without his/her ______________________.
personal supervision
Shall not injure falsely or maliciously, directly or indirectly, the reputation of another Registered Master Plumber by reviewing his/her work for the same client unless the ___________________ of the former have been officially terminated and all professional fees have been fully paid by the client
professional services
Shall not advertise in __________________, act in any manner and engage in any practice which tend to bring dishonor to the dignity of the Registered Master Plumber, the National Master Plumbers Association of the Philippines (NAMPAP) and the plumbing profession.
self-laudatory language
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
A physical separation, which may be a low inlet into the indirect waste receptor from the fixture, appliance or device indirectly connected.
Airbreak
Is the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixtures or other device and the flood level rim of the receptacle.
Air Gap
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 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.
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
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 another pipe of the same diameter for the purpose of making caulked or push-on joint
Bell or Hub
synonymous with faucet, cock, tap, plug
Bibb
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
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
A horizontal vent connecting one or more individual vertical back vents with the vent stack or stack vent.
Branch Vent
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 a sufficient period of time to allow settleable material to deposit.
Catch Basin
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 it.
Cesspool
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.
Circuit Vent
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.
Contamination
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 liquid and water-borne wastes derived from the ordinary living processes, free from 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
The vertical portion of a rainwater conductor
Downspout
A pipe, which carries ground and surface waters, storm 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
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.
Effective Opening
A valve located at the end of a water pipe through 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 level in a fixture at which water begins to overflow over the top or rim of the fixture.
Flood Level
Is a device located at the bottom of the tank for the purpose of flushing water closet and similar fixtures
Flush Valve
Is a device, which discharges a predetermined quantity of water into fixtures for flushing purposes and 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 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 and against the horizontal valve seat. The movement of the plane of disc is parallel to the normal 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 cm. long and the other end is about 7. 5 cm. 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
A device designed to retain grease from one to a maximum of four fixtures.
Grease Trap
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
Are cast iron soil pipes with plain ends connected together with bolted stainless steel bands and neoprene gaskets.
Hubless Pipes
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
The lowest portion of the interior part of any pipe or conduit that is not vertical.
Invert
A fixture designed for the washing of the hands or face. Sometimes called a wash basin.
Lavatory
Is the discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive fecal matter.
Liquid Waste
A pipe or shaft to convey foul air from a plumbing fixture or a room to the outer air.
Local Vent
The principal artery of the venting system to which vent branches are connected.
Main Vent
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
Hemp or old hemp rope soaked in oil or tar to make it waterproof.
Oakum
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 manufactured device or a prefabricated assembly or an on-the-job assembly of component parts, and serves as adjunct to the basic piping system and plumbing fixtures.
Plumbing Appurtenance
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.
Plumbing Fixtures
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
An outhouse or structure used for the deposition of excrement
Privy
A pit beneath a privy where excrement collects.
Privy Vault
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
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
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.
Roughing-In
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 Sewer
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
A loosely lined excavation in the ground, which receives the discharge of a septic tank and designed to permit 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 sanitary 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.
Septic Tank
The pipe from the street water main or other source of water supply to the building served.
Service Pipe
A hose fitting with clapper valves for combining the flow from two or more lines of hose into a single stream. The inlet fitting of a fire standpipe located above ground level.
Siamese Connection
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
A vertical soil pipe conveying fecal matter and wastewater.
Soil Stack Pipe
Any pipe, which conveys the discharge of water closet, urinal or fixtures having similar functions, with or without the discharges from other fixtures to the building drain or building sewer.
Soil Pipe
The end of a pipe which fits into a bell. Also, a word used synonymously with faucet.
Spigot
The vertical main of a system of soil, waste or vent pipings 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.
Standpipe
An underground drainpipe that receives only subsurface or seepage water and conveys 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.
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
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 which prevents the backflow of foul air or methane gas without materially affecting the flow of sewage or wastewater through it.
Trap
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
An air pressure less than atmospheric. Also, implies siphonage in piping system.
Vacuum
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
A pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system.
Vent Stack
A pipe, which conveys only wastewater or liquid waste, free of fecal matter.
Waste Pipe
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 potable water.
Water Supply System
A hose connection with two-gated outlets permitting two connections of the same or smaller coupling diameter to be taken from a single supply line.
Wye
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 floor and higher than highest spill level of fixtures for preventing pressure changes in the stacks.
Yoke Vent
Section ______-________________________
It shall be unlawful for any person to cause, suffer or permit the disposal of sewage, human excrement or other waste waters in any place or manner, except through and by means of an approved _______________________ installed and maintained in accordance with the provisions of this Code.
301 (DISPOSAL OF WASTEWATERS),
Excreta and Storm Drainage Systems
Section ____-________________________
Horizontal drainage pipes shall be run in practical alignments and at a uniform slope between manholes of not less than ___ mm/m or ____% toward the point of disposal.
302 (GRADE OF HORIZONTAL DRAINAGE PIPING),
20 mm/m or 2%
Is it true or false that in horizontal drainage piping, if it is impracticable to obtain a 2% slope due to the following constraints:
(1) excessive depth of the proposed drainage line
(2) structural and/or geological features of the terrain
(3) existing adverse in arrangements of building or structure
True
In horizontal drainage piping, any such pipe or piping 102 mm or larger in diameter may have a slope of ____ mm/m or ____% provided.
10 mm/m or 1%
Subsection ______ (CHANGES IN DIRECTION OF DRAINAGE FLOW)
Changes in direction of drainage piping shall be made by the use of approved pipe fittings and shall be of the angles presented by a _______° bend, _____° bend, ____° bend or other approved fittings of longer sweeps.
303.1, 22 1/2, 45, 60
Subsection _______
__________ drainage lines connecting to a __________ stack shall enter through 45° or 60° wye branches, combination wye and 1/8 bend branches, sanitary tee or other approved fittings of longer sweeps.
303.2, horizontal, vertical
302.2. No fitting having more than one inlet at the same level shall be used unless such fitting is constructed so that the discharge from one inlet cannot readily enter into the other inlet. Vertical installation of double sanitary tees may be used when the barrel of the fitting is at least ______ pipe sizes larger than the largest side inlet. Nominal pipe sizes recognized for these purposes are: 51, 63, 76, 89, 102, 114, 127 & 152 mm diameters.
two (2)
Subsection _____
___________ drainage lines connecting to other ____________drainage lines shall enter through 45° wye branches, combination wye and 1/8 bend branches or other approved fittings of longer sweeps.
303.3, horizontal, horizontal
Subsection _______
___________ drainage lines connecting to ___________ drainage line shall enter through 45-degree branches, or other approved fittings of longer sweep Sixty (60) degree branches or offsets may be used only when installed in a true vertical position
303.4, vertical, horizontal
Section _____ -_______________________________
All plumbing fixtures, drains, appurtenances and appliances used to receive or discharge liquid wastes or sewage, shall be connected properly to the drainage systems of the building and premises, in accordance with the requirements of this Code.
304 - CONNECTIONS TO PLUMBING SYSTEM REQUIRED
Subsection _____ - __________________________
Every building where plumbing fixtures are installed shall have a sewer service connection to a ______________________.
305.1 (SEWER REQUIRED),
public or private sewer systems
Subsection _____
When a Public or Private Sewer is not available for use, excreta drainage piping from buildings and premises shall be connected to an approved ___________________.
305.2, Private Sewage Disposal System.
Subsection _____-______________________
It shall be unlawful for any person to deposit, by whatever means into any plumbing fixture, floor drain, interceptor, sump, receptacle or device, connected to the excreta and storm drainage systems, public sewer, private sewer, septic tank or cesspool, any ashes, cinders, solids, rags, flammable, poisonous or explosive liquids or gases; oils, greases or other things which would or could cause damage to the drainage system or public sewer.
306.1 (DAMAGE TO DRAINAGE SYSTEM OR PUBLIC SEWER)
Subsection ______
Roofs, inner courts, vent shafts, light wells or similar areas having rainwater drains shall discharge outside of the building or to the gutter and shall not be connected to the ____________________ pipe systems.
306.2, soil and waste
Subsection ______-_________________________
Wastes detrimental to the public sewer system or to the functioning of the sewage treatment plant shall be treated and disposed of as found necessary and as directed by the Administrative Authority or other authorities having jurisdiction.
307.1 (INDUSTRIAL WASTES)
Subsection _____
Sewage or other waste from a plumbing system which may be deleterious to surface or subsurface waters, shall not be discharged into the _________ or into any __________ unless first rendered innocuous through subjection to some acceptable form of treatment.
307.2, ground, waterway
Subsection ____-___________________
Except as otherwise provided in this Code, no excreta plumbing system, storm drainage system, building drain, building sewer, private sewage disposal system or parts thereof, shall be located in any lot other than the lot where the site of the building, structure or premises are served by such facilities.
308.1 (LOCATION)
Subsection _______
No subdivision, sale, or transfer of ownership of existing property shall be made in such a manner that the area, clearance, and access requirements of this Code are decreased or impaired.
308.2 (LOCATION)
Piping, fixtures or equipment shall not be so located to interfere with the normal function or use thereof or with the normal operation and use of windows, doors or other required facilities.
Section 309 - IMPROPER LOCATION
Subsection _____-____________________
All designs, constructions and workmanships shall be in conformity with accepted engineering practices and shall be of such character as to secure the results sought to be obtained by this Code.
310.1 (WORKMANSHIP)
Subsection _______
It shall be unlawful to conceal cracks, holes, or other imperfection in materials by welding, brazing or soldering the defects or by using therein or thereon any paint, wax, tar, or other sealing or repair agents.
310.2 (WORKMANSHIP)
Subsection ______
Burred ends of all pipes and tubings shall be reamed to the full bore of the pipe or tubing and all chips left inside the pipe or tubing shall be removed.
310.3 (WORKMANSHIP)
Subsection _____-_____________________________
No double hub fitting for lead-caulked joint in vertical position, single or double tee branch; single or double tapped tee branch, side inlet quarter bend, running thread, band or saddle shall be used as a drainage fitting, except that a double hub ________________ may be used on vertical lines as a fixture connection. (Approved stainless steel bands with neoprene gaskets for jointing of hubless cast iron soil pipes are acceptable for use.
311.1 (PROHIBITED FITTINGS AND PRACTICES),
sanitary tapped tee
Subsection ______
No drainage or vent piping shall be drilled and tapped for making connections thereto, and no cast iron soil pipe shall be threaded.
311.2 (PROHIBITED FITTINGS AND PRACTICES)
Subsection ______
No waste connection shall be made to a closet bend or stub of a water closet or similar fixtures.
311.3 (PROHIBITED FITTINGS AND PRACTICES)
Subsection ______
No vent pipe shall be used as a soil or waste pipe, nor shall any ______ or ______ pipe be used as a vent. Also, single drainage and venting systems with unvented branch lines are prohibited.
311.4, soil, waste
Subsection _______
No fitting, fixture and piping connections, appliance, device or method of installation which obstructs or retards the flow of water, sewage or air in the excreta and storm drainage and venting systems in an amount greater than the normal frictional resistance to flow, shall be used unless it is indicated as acceptable in this Code or approved by the Administrative Authority as having the desirable and acceptable function and of ultimate benefit to the proper and continuous functioning of the plumbing system. The enlargement of a 76-mm closet bend or stub to 102-mm diameter shall not be considered as an obstruction.
311.5 (PROHIBITED FITTINGS AND PRACTICES)
Subsection ______
Except for necessary use of gate & check valves, where inter-membering or mixing of dissimilar metals occurs, the points of connection shall be confined to exposed or accessible locations.
311.6 (PROHIBITED FITTINGS AND PRACTICES)
Subsection ______
All valves, pipes and fittings shall be installed in correct relationship to the direction of flow.
311.7 (PROHIBITED FITTINGS AND PRACTICES)
Section ____-____________________________
The drainage system of each new building and of new work installed in any existing building shall be separate and independent from that of any other building and when available, every building shall have an independent connection with a private or public sewer.
312 - INDEPENDENT SYSTEM
Subsection ______-________________________
In existing building or premises where plumbing installations are to be altered, repaired or renovated, deviations from the provision of this Code are permitted, provided such deviations are necessary and first approved by the Administrative Authority.
313.1 (REPAIRS AND ALTERATIONS)
Subsection _______
Existing building sewer and building drain may be used in connection with a new building or new plumbing and drainage works only when they are found on examination and tested to conform in all respects to the requirements governing new work. and the proper Administrative Authority shall notify the Owner to make changes necessary to conform to this Code. No building or part thereof: shall be erected or placed over any part of the existing drainage system, which is constructed of materials other than those approved elsewhere in this Code for use under or within a building.
313.2 (REPAIRS AND ALTERATIONS)
Subsection ________
All openings into a Sanitary drainage and vent system, except those openings to which plumbing fixtures are properly connected or which constitute vent terminals, shall be permanently plugged or capped in an approved manner using the appropriate materials required by this Code.
313.3 (REPAIRS AND ALTERATIONS)
Subsection _____-___________________________
All pipings passing under or through walls shall be protected from breakage with embedded ______________. All pipes passing through or under cinders or other corrosive materials shall be protected from external corrosion by encasing same with _____________ or in other approved manner. Approved provisions shall be made for expansions of hot water pipings. Void between pipes and sleeves through concrete floors in the ground shall be appropriately sealed with ____________.
314.1 (PROTECTION OF PIPING, MATERIALS AND STRUCTURES),
metal pipe sleeves,
polyethylene sheath,
bitumen
Subsection _______
All pipes in connection with the plumbing system shall be installed so that the piping or connections will not be exposed to undue ________ or ____________, and provisions shall be made for pipe expansions and contraction, and bending due to structural ______________. No pipe shall be directly embedded in concrete and masonry walls without ______________. No structural member shall be seriously weakened or impaired by cutting, notching or otherwise.
314.2, strains or stresses, settlement, metal sleeve
Subsection ______
The bottom of all pipe trenches deeper than the footing of any adjacent building or structure and parallel to it must be at least ______________ degrees therefrom. unless permission is granted by the Administrative Authority.
314.3 (PROTECTION OF PIPING, MATERIALS AND STRUCTURES),
forty-five (45)
Subsection ______
No building sewer or other drainage pipings or part thereof, constructed of materials other than that approved for use under or within the building, shall be installed under or within _____ meter of any building or structure, nor less than ______ meter below the finish ground surface.
314.4, 0.6 meter, 0.3 meter
Subsection _____
Pipe surfaces subject to undue corrosion, erosion or mechanical damage shall be protected with approved material and manners such as inside lining, outside coating and proper bottom bedding and top shielding with concrete blocks.
314.5 (PROTECTION OF PIPING, MATERIALS AND STRUCTURES)
Section 315 - HANGERS AND SUPPORTS
Vertical Piping:
Cast Iron Soil Pipe - Bell & Spigot and Hubless pipe shall be supported at every ________.
storey or closer
Section 315 - HANGERS AND SUPPORTS
Vertical Piping:
Screwed Pipe - Iron Pipe Size (IPS) shall be supported at not less than every other ______________.
storey height
Section 315 - HANGERS AND SUPPORTS
Vertical Piping:
Copper Tubing - shall be supported at each storey or at maximum intervals of _______ meters on center.
3 meters
Section 315 - HANGERS AND SUPPORTS
Vertical Piping:
Lead Pipe - shall be supported at intervals not exceeding _______ meters at centers with a rigid vertical back-up.
1.2 meters
Section 315 - HANGERS AND SUPPORTS
Vertical Piping:
Plastic Pipe - shall be supported at every _______ meter interval.
1 meter
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Cast Iron Soil Pipe - Where joints occur, suspended cast iron soil pipe shall be supported at not more than _____ meters intervals; except that pipe exceeding 1.5 meters length, may be supported at not more than ______ meters intervals. Supports shall be adequate to maintain alignment and to prevent sagging and shall be placed within ______ meters of the hub or joint.
1.5 m, 3 m, 0.45 m
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Hubless or compression gasket joints must be supported at least at every other joint except that when the developed length between supports exceeds _____ meters, they shall be provided at each joint.
1.2 meters
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Screwed Pipe - IPS except as provided in other Sections of this Code, shall be supported at approximately ______ meters intervals for piping 19 mm diameter and smaller and ______ meters intervals for piping 25 mm and larger in diameter.
3, 3.6 meters
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Copper Tubing - shall be supported at approximately _____ meters intervals for piping 38 mm diameter and smaller and _____ meters intervals for pipings 51 mm and larger in diameter.
1.8, 3.0 meters
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Lead Pipe - shall be supported by _________ or ___________ backing for its entire length with hangers properly spaced.
stiff metal or wooded
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
2.6. In Ground - piping buried in the ground shall be laid on a ____________ for its entire length, except where concrete cradle support is provided, which is adequate and approved by the Administrative Authority.
firm bed
Section 315 - HANGERS AND SUPPORTS
Horizontal Piping:
Plastic Tube - shall be supported by stiff metal or wood backing with hangers in its entire length for small-size tubings up to ___________ diameter and without backings but with spaced metal hangers at approved spacing for larger-size tubings.
38 mm
315.3.1. Materials - for hangers and anchors shall be of sufficient strength to maintain their proportional share with the weight of the pipe and its content.
315.3.2. All pipings, fixtures and equipment shall be adequately anchored or supported to the satisfaction of the Administrative Authority.
315.3 Hangers and Anchors (HANGERS AND SUPPORTS)
Subsection _____-_____________________________
Tunneling and driving may be done in yard, court or driveway of any building site. Where there is sufficient depth, tunneling may be used between open cut trenches. Tunnels shall have a clear height of ____ meter above the pipe and shall be limited in length to one-half (1/2) the depth of the trench, with a maximum length of 2.4 meters. When pipe is driven, the drive pipe shall be at least one pipe size larger than the pipe to be laid.
Subsection 316.1 (TRENCHING, EXCAVATION AND BACKFILL),
0.6
Subsection ______
Open Trenches - all excavations required to be made for the installation of a building drainage system or any part thereof, within the walls of a building, shall be open trench work and kept open until the piping has been inspected, tested and accepted.
316.2 (TRENCHING, EXCAVATION AND BACKFILL)
Subsection _______
All excavations shall be completely back-filled as soon as possible after inspection. Adequate precaution shall be taken to ensure proper compactness of backfill around pipes without damage to such pipe. Trenches shall be back-filled in thin layers of 0.3 meter above the top of the pipe with clean earth which shall not contain stones, boulders, cinders or other materials which can damage or break the pipes or cause corrosive action. Mechanical devices or equipment such as bulldozer, grader, etc., may then be used to complete the back-filling to grade. The filling shall be properly compacted. Suitable precautions shall be taken to ensure permanent stability for pipes laid in filled or made ground.
316.3 (TRENCHING, EXCAVATION AND BACKFILL)
