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.

The length of a pipe along its centerline and fittings.

Unless specifically stated, the term "diameter'' is the nominal diameter as designated commercially. I. D. denotes ________________ of pipe and O.D. denotes ________________ of tube.

The liquid and water-home 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.

A pipe fitting with adjacent reverse bends and shaped like the letter "S''

Two offsets in succession or in series such that the centerlines of the outside ends are in the same straight line.

The vertical portion of a rainwater conductor .

A pipe, which carries ground and surface waters, storm water or wastewater into a building drainage system

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.

A vent that does not carry liquid or water-borne wastes.

A term used to describe soil or waste system where all pipings are of threaded pipe, tubing or other such rigid construction using recessed drainage fittings to correspond to the types of piping.

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.)

The on-going installation of the plumbing system or any part thereof which has been installed prior to the effectivity of this Code.

One person living alone or a group living together, whether related to each other by birth or not.

A valve located at the end of a water pipe through of which water can be drawn from or held within the pipe.

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.

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.

The water supply pipe between the fixture supply pipe and the water-distributing pipe .

The drainpipe from the trap of a fixture to the junction of that drain with any other drainpipe.

A water supply pipe connecting the fixture with the fixture branch.

An arbitrary quantity in terms of which the load­ producing effect's or water requirements on the plumbing system of different kinds of plumbing fixtures are expressed in some arbitrarily chosen scale.

Equivalent to a rate of flow at 28.3 liters per minute ( l cu. ft ./minute).

The level in a fixture at which water begins to overflow over the top or rim of the fixture.

The top edge of a receptacle from where water overflows

A fixture is flooded when the liquid therein rises to the flood level rim

The area included within surrounding walls of a building (or portion thereof), exclusive of vent shafts and courts.

A tank located above or integral with water closet, urinal or similar fixtures for flushing or removing excrements in the fixture.

A device located at the bottom of the tank for the purpose of flushing waster closet and similar fixtures.

Integrated within an air accumulator vessel which is designed to discharge a predetermined quantity of water into

fixtures for flushing purposes.

A device, which discharges a predetermined quantity of water into fixtures for flushing purposes and is actuated by direct .

water pressure.

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 stern connected to the handle of the valve. The opening in the valve is usually as large as the full bore of the pipe.

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.

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.

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 centimeters per meter or percentage slope of pipe.

An interceptor of at least 3 cubic meters capacity to serve one or more fixtures and which is remotely located.

A device designed to retain grease from one to a maximum of tour fixtures.

The water that stands in or passes through the ground.

A branch vent that performs its functions for two (2) or more traps.

The vertical distance from the "Grade Line" to the highest point of the coping of a flat roof or to the top line of a mansard roof or to the average height of the highest gable of a pitch or hip-roof.

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.

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.

A part of the lowest horizontal piping of a plumbing system which receives the discharges from soil, waste and other drainage pipes inside of a building and conveys it to the house sewer outside of the

building.

The part of a plumbing system extending from the house drain at a point 0.60 meters from the outside face of the foundation wall of a building to the junction with the street sewer or to any point of discharge, and conveying the drainage of one building site.

The pipeline from the building to the public or street storm drainage system.

Cast iron soil pipes with plain ends connected together with bolted stainless steel bands and neoprene gaskets.

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 .

A pipe installed to vent a fixture trap and which connects with the vent system above the fixture served or terminates in the

open air.

Any and alI liquid or water-borne waste from industrial or commercial processes, except domestic sewage.

What does I.P.S. mean?

A condition contrary to sanitary principles or injurious to health.

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.

The lowest portion of the interior part of any pipe or conduit that is not vertical.

The Administrative Authority under the Department of Health, the Department of Public Works & Highways, the Department of Interior and Local Government, t he City Mayors of Chartered Cities, Environmental Management Bureau (D.E.N.R) and other government: entities that regulate the practice of Registered & Licensed Master

Plumbers.

Equipment or materials bearing a label of a listing agency.

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.

A water closet consisting of a continuous trough containing water. The trough extends under two or more adjacent seats. Prohibited by health authorities for permanent installations.

A fixture designed for the washing of the hands or face. Sometimes called a wash basin.

A cesspool that is not watertight.

A pipe connected from building gutter to the downspout or conductor.

Measured along it s centerline

The discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive

fecal matter.

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.

An agency accepted by the Administrative Authority in the business of listing nr labeling and which maintains a periodic inspection program on current production of listed models, and makes available a published report of such listing where specific information is included tint the product has been tested against approved standards and found safe for use in a specific manner.

A pipe or shaft to convey foul air from a plumbing fixture or a room to the outer air.

A vertical vent connection on a horizontal soil or waste pipe branch at a point downstream of the last fixture connection and turning to a horizontal line above the highest overflow level of the highest fixture connected thereat; the terminus connected to the stack vent in the case of loop venting or to the vent stack nearby in the case of circuit venting.

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 is owned by or in the lawful possession of the owner of the building or works.