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

A pipe which carries ground and surface water, storm water or waste water into the building drainage system.

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

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

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

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

Is the top edge of a receptacle from where water overflows.

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

A tank located above or integral with water closet,urinal or similar fixture for flushing or removinge xcrement in the fixture.

Is a device located at the bottom of the tank for the purposed of flushing water closet and similar fixtures.

Is integrated within an air accumulator vessel which is design to discharge a predetermine a quantity of water into fixture for flushing purposes.

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

A return bend of small-sized pipe,one end of which is about 30cm.long and other end is about 7.5cm long. Commonly used as a faucet for a pantry sink.

An interceptor of at least 3cu.m. capacity to serve or more fixtures and which is remotely located.

The water that stands or passes through the ground.

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

Is any pipe or fitting installed in a horizontal positioned or which forms at an angle not more than 45deg. with the horizontal.

Are cast iron soil pipes with plain ends connected together with bolted stainless steel band and neoprene gasket.

Is a pipe does not connect directly with the drainage system but conveys liquid waste by discharging into a plumbing fixture and directly connected to the drainage system.

Is a device designed and installed to separate and retain deleterious, hazardous or undesirable matters from normal sewage or liquid waste to discharge into the disposal terminal by gravity.

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 connection only.

Is the discharge from any fixture, appliances or appurtenance in connection with a plumbing system which does not receive fecal matter.

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

Any system of continuous piping, which is the principal artery of the system where branches are connected.