BU1 (CHAPTER 2 - PART 4)

an arrangement of venting so installed that one vent pipe will serve two (2) traps.

• UNIT VENT
• VACUUM
• VACUUM BREAKER
• VENT PIPE

an air pressure less than atmospheric. Also, implies siphonage in piping system.

• UNIT VENT
• VACUUM
• VACUUM BREAKER
• VENT PIPE

see Backflow Preventer.

• UNIT VENT
• VACUUM
• VACUUM BREAKER
• VENT PIPE

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.

• UNIT VENT
• VACUUM
• VACUUM BREAKER
• VENT PIPE

the vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system.

• VENT STACK
• VENT SYSTEM
• VERTICAL PIPE
• WASTE

pipes installed to provide flow of air to or from a drainage system or to provide a circulation of air within such system to protect traps seals from siphonage and back pressure.

• VENT STACK
• VENT SYSTEM
• VERTICAL PIPE
• WASTE

any pipe or fitting installed in a vertical position or which forms an angle of not more than forty-five (45) degrees with the vertical line.

• VENT STACK
• VENT SYSTEM
• VERTICAL PIPE
• WASTE

see Liquid Waste and Industrial Waste.

• VENT STACK
• VENT SYSTEM
• VERTICAL PIPE
• WASTE

a pipe, which conveys only wastewater or liquid waste free of fecal matter.

• WASTE PlPE
• WATER TREATMENT
• WATER- DISTRIBUTING PlPE
• WATER MAIN

a device which conditions or treats water supply to improve water quality, remove suspended solids by filtration.

• WASTE PlPE
• WATER TREATMENT
• WATER- DISTRIBUTING PlPE
• WATER MAIN