Questions tagged [drain-waste-vent]

Questions about the drainage and ventilation portions of plumbing systems, also known as the DWV system of a building.

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Will drilling a hole in a pane of glass reduce it's structural integrity?

I've got a glass box that measures 900mm x 450mm x 450mm. The width of the glass is 6mm thick. If I drill, cut, or grind a small hole in/through one of the faces; will it significantly affect the ...
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Inspection chamber in sewage drain

For civil engineers, There is a high drain connection work is under progress in my location. Few days ago, a contractor visited my house and asked me to construct 2ftX2ft inspection chamber inside the ...
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How to purify/treat air smell produced by a kitchen?

Ignore the ugly look. Sometimes I cooked food with very strong smell. That smell sometimes is not expected by many neighbors, they protested. Rather than to use exhaust fan, I considered to install ...