waste vent

waste vent

[′wāst ‚vent]
(engineering)

stack vent

stack vent, 1
1. The extension (to the open air) of a soil or waste stack above the highest horizontal branch drain or fixture branch connected to the stack. Also called a soil vent or waste vent.
2. In built-up roofing systems, a vertical outlet permitting water vapor, which is entrapped within the insulation, to escape.
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Tenders are invited for Welcome Maintenance And Repiars To Steel Window Ventilator Gi Ci Soil Waste Vent Pipe And Certain Misc Work In A B C Or Type Qtrs And Nai Area At Drdo Township Kanchanbagh Hyderabad
The work would include replacing the main isolation valves on each of the 12 building pipe risers to include piping (domestic water, domestic hot water, waste piping and waste vents), replacement and relocation of the riser control valves on each riser at each floor level and replacement of the shut off valves for the window convector system on each floor of the building