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The sewage pipe is generally at least 110 cm, which is 4 inches.
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Toilet pipes in residential buildings 110
No. Kitchen water is wastewater, and toilet is sewage, and the two kinds of water should be discharged with separate pipes, otherwise the odor of toilet sewage will have a great impact on the indoor environment.
No problem, you have to put a mirror on the wall if you don't feel good.
Residential Design Code.
Residential doors should be guarded with security doors. Doors that open outwards should not obstruct traffic. >>>More
In general, there is no need to install a floor drain in the kitchen, and the water on the kitchen floor is far from the extent that the floor drain is needed.
Changing the balcony into a kitchen or toilet without authorization is of course an illegal building and affects the normal life of other owners. It can be ordered to be restored through property management.