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Illicit. You can refer to the "Code for the Design of Building Water Supply and Drainage" GB50015 2003: the drainage riser shall not pass through bedrooms, wards and other rooms with high requirements for hygiene and quiet, and should not be close to the interior wall adjacent to the bedroom.
You can make a claim against the property developer.
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Absolutely not. The first is that the noise during drainage will affect the rest of the residents, and the second is that the drainage pipe may emit a foul smell.
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It's not illegal, but the localism that the pipes pass through is protected, and try to make a U-shaped waterproof, because if there is a leak here, the downstairs will not be spared.
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Not illegal. At most, it violates a norm.
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It mainly depends on whether the arrangement is reasonable. Did the builder do it, or did you do it yourself? Is there an impact on the residents downstairs?
It is normal for the bathroom to have water and other sounds, and the main sewer line in the bathroom of the building runs through the bathroom of each house from the top floor to the ground floor, so when other people use the house, it will also make a noise. >>>More
1 Make a hole in the floor slab.
2. Before the installation of the drainage pipeline, the civil engineering negotiation shall be required to pay off, find the size of the dump of sanitary appliances and the height of the rejection, install the trunk pipe, the riser pipe to the branch pipe in turn, and verify whether the coordinates are accurate again before the civil engineering plugging the floor hole. >>>More
It's probably relatively simple.
It could be that you just do what is prescribed. >>>More
Generally, the toilet has a return bend. There are already backwater bends like toilets. In addition to the elbow is not good for the smoothness of drainage. And it's easy to get clogged.
Different regions, labor costs are different, market prices are also different, I suggest you go to the regional question