Air-Vacuum Control. An air-vacuum control (AVC) device is required on any City Water main where a “high spot” exists at any point between lower portions of the main. A “high spot” is any location at which the main rises more than one-half (.5) times the nominal pipe diameter, and then descends to the previous elevation.
Appears in 2 contracts
Samples: Public Improvement Design & Construction Standards, Public Improvement Design & Construction Standards
Air-Vacuum Control. An air-vacuum control (AVC) device is required on any City Water main where a “high spot” exists at any point between lower portions of the main. A “high spot” is any location at which the main rises more than one-half (.5) times the nominal pipe diameter, and then descends to the previous elevation.
Appears in 2 contracts
Samples: Public Improvement Design and Construction Standards, Public Improvement Design & Construction Standards
