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Soon, you can get the water with a single flush, but you are afraid of blocking the sewer.
The first floor will not be blocked, if the water is blocked very dead, if you block all the bathroom drains, the water will overflow from the third floor, it is the supervisor who is blocked, your water is not blocked, so no matter how you pass it is useless, after about two hours it is through because the main pipe is passed, it is a small rag or convenient bag and the like, when the main pipe has more and more water to reach a certain height, the pressure will be more and more to wash away the blocked things, generally this phenomenon will be in the old house.
The maintenance cost is 5F, about 150 yuan square repair fee.
Sewers are public assets, not yours. So it's illegal. Is the whole building your house? >>>More
It should be to find the property first, and if the property doesn't care, then you can only go to court to tell them.
While using an odor-proof floor drain, close the drain pipe under the basin with tape and you'll be fine.