Tuesday, 2 June 2020, 5:29 AM
Site: Plumbers School
Course: Plumbers School (Home)
Glossary: Plumbing Dictionary
C

COMBINATION FIXTURE

A fixture combining one sink and laundry tray or a two- or three-compartment sink or laundry tray in one unit.

COMBINATION WASTE AND VENT SYSTEM

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 waste and vent pipe adequately sized to provide free movement of air above the flow line of the drain.

COMBINED BUILDING DRAIN

See "Building drain, combined."

COMBINED BUILDING SEWER

See "Building sewer, combined."

COMBUSTIBLE CONSTRUCTION

A wall or surface constructed of wood, composition, or of wooden studding and lath and plaster.

COMBUSTION

The rapid oxidation of fuel gases accompanied by the production of heat, or heat and light.

COMBUSTION CHAMBER

The portion of an appliance within which combustion occurs.

COMBUSTION PRODUCTS

Constituents resulting from the combustion of a fuel with the oxygen of the air, including the inerts but excluding excess air.

COMMON VENT

A vent connecting at the junction of two fixture drains or to a fixture branch and serving as a vent for both fixtures.

CONCEALED FOULING SURFACE

Any surface of a plumbing fixture which is not readily visible and is not scoured or cleansed with each fixture operation.

CONCEALED GAS PIPING

Piping which, when in place in the finished building, would require removal of permanent construction to gain access to the piping.

CONDENSATE

The liquid which separates from a gas (including flue gas) due to a reduction in temperature. Also called condensation.

CONDENSING FURNACE

A furnace or boiler which condenses part of the water vapor generated by the burning of hydrogen in fuels and in which the fraction of the total latent heat remaining in the flue gases after condensation is less than unity.

CONDUCTOR

A pipe inside the building that conveys storm water from the roof to a storm or combined building drain.

CONFINED SPACE

A space whose volume is less than 50 cu ft per 1,000 Btu per hour (4.83 m3/kW) of the aggregate input rating of all appliances installed in that space.

CONSTRUCTION DOCUMENTS

All of the written, graphic and pictorial documents prepared or assembled for describing the design, location and physical characteristics of the elements of the project necessary for obtaining a building permit. The construction drawings shall be drawn to an appropriate scale.

CONSUMERS' GAS PIPING

All gas piping and fittings extending from the point of delivery to the outlets, exclusive of piping, meters, regulators, valves, fittings, etc., owned by the gas company, and exclusive of tanks, piping, meters, regulators, valves, fittings, etc., installed for the purpose of storing, delivering or regulating LP gas at pressures in excess of the pressure normally delivered to appliances. This includes yard line and/or building piping.

CONTAMINATION

An impairment of the quality of the potable water that creates an actual hazard to the public health through poisoning or through the spread of disease by sewage, industrial fluids or waste.

CONTROL

A device designed to regulate the gas, air, water, or electrical supply to a gas appliance. It may be manual or automatic.

CONVERSION BURNER

A burner designed to supply gaseous fuel to an appliance originally designed to utilize another fuel.