Quality | There are toilets, bathrooms, etc.
located above the dispatch room and distribution room in the basement of the residential building.
A mezzanine is now set up, but the water supply and drainage, wastewater and sewage, and water supply pipelines all pass through this mezzanine and connect to the upper toilets and bathrooms.
Does this mezzanine need to be equipped with waterproofing, drainage measures, and sewage measures? Does Article 2.
0.
3, Paragraph 1 and its interpretation of the General Code for Electrical and Intelligent Construction GB 55024-2022 apply to this situation?.