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SAFETY SHUTOFF DEVICE
A device that will shut off the gas supply to the controlled burners in the event the source of ignition fails to ignite the gas at the burners. This device may interrupt the flow of gas to the main burners only, or to the pilot and the burners under its supervision.
The air externally supplied to the flame at the point of combustion.
A faucet containing a valve that automatically closes upon deactivation of the opening means.
The pipe which brings the gas from the gas main to the point of delivery.
Any liquid waste containing animal or vegetable matter in suspension or solution, including liquids containing chemicals in solution.
A device for lifting sewage by entraining the sewage in a high-velocity jet of steam, air or water.
See "Building sewer."
A common sewer directly controlled by public authority. Sanitary sewer. A sewer that carries sewage and excludes storm, surface and ground water.
A sewer that conveys rainwater, surface water, condensate, cooling water or similar liquid wastes.
The fall (pitch) of a line of pipe in reference to a horizontal plane. In drainage, the slope is expressed as the fall in units vertical per units horizontal (percent) for a length of pipe.
A pipe that conveys sewage containing fecal matter to the building drain or building sewer.
A methoed used to join Plastic pipe by using Cement and Primer.Â The cement (glue) used for connecting PVC parts is sticky like standard glue, butÂ it actually melts the plastic, creating a true weld.
As applied to gas, specific gravity is the ratio of the weight of a given volume to that of the same volume of air, both measured under the same condition.
SPILL-PROOF VACUUM BREAKER
An assembly consisting of one check valve force-loaded closed and an air-inlet vent valve force-loaded open to atmosphere, positioned downstream of the check valve, and located between and including two tightly closing shutoff valves and a test **.
A general term for any vertical line of soil, waste, vent or inside conductor piping that extends through at least one story with or without offsets.
The extension of a soil or waste stack above the highest horizontal drain connected to the stack.
A method of venting a fixture or fixtures through the soil or waste stack.
STERILIZER Boiling type
A boiling-type sterilizer is a fixture of a nonpressure type utilized for boiling instruments, utensils or other equipment for disinfection. These devices are portable or are connected to the plumbing system.
A device for the sterilization of various instruments.
STERILIZER Pressure (autoclave)
A pressure vessel fixture designed to utilize steam under pressure for sterilizing.
STERILIZER Pressure instrument washer sterilizer
A pressure instrument washer sterilizer is a pressure vessel fixture designed to both wash and sterilize instruments during the operating cycle of the fixture.
A device for the sterilization of utensils as utilized in health care services.
A separate pipe or stack, indirectly connected to the building drainage system at the lower terminal, that receives the vapors from non-pressure sterilizers, or the exhaust vapors from pressure sterilizers, and conducts the vapors directly to the open air. Also called vapor, steam, atmospheric or exhaust vent.
A water sterilizer is a device for sterilizing water and storing sterile water.
See MANUAL SHUTOFF VAL VB.
See "Drainage system, storm."
That which is built or constructed or a portion thereof.
A drain that collects subsurface water or seepage water and conveys such water to a place of disposal.
A tank or pit that receives sewage or liquid waste, located below the normal grade of the gravity system and that must be emptied by mechanical means.
An automatic water pump powered by an electric motor for the removal of drainage, except raw sewage, from a sump, pit or low point.
A vent from pneumatic sewage ejectors, or similar equipment, that terminates separately to the open air.
SUPPLY AIR SYSTEM
An assembly of connected ducts, plenums, fittings, registers and grilles through which air, heated or cooled, is conducted from the supply unit to the space or spaces to be heated or cooled. (See also RETURN AIR SYSTEM.)
Devices for supporting and securing pipe, fixtures and equipment.
Any structure, basin, chamber or tank containing an artificial body of water for swimming, diving or recreational bathing having a depth of 2 feet (610 mm) or more at any point.