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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Do spiders *actually* get into a house through the sewer/water pipes?

Every time I have seen a spider at home, in the bathroom, whether it was in a house or in apartments, whether on the bottom or upper floor, I always immediately assumed that it had come "through the ...
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31 views

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 ...
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3answers
64 views

Why does removal of ventilation of a sewage pipe lead to backflow from the toilet?

A building where three toilets (toilet + urinal each) are connected to the same sewage pipe under the building. The pipe is DN 100 and should have (according to old plans) a gradient of 1:50. Two ...
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350 views

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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What type of exhaust is vented from the rooftop of this apartment?

I recently signed a lease for a high-rise an apartment unit that directly overlooks the rooftop of lower floors. That is, my apartment is on a smaller floor plate than the units below it, and I could ...