Is it necessary to change the indoor sewer pipe during the renovation of the old residential area in Handan?

Renovation of old residential areas, in addition to roof leakage prevention, cage replacement and facade painting. Replacing water pipes and sewage pipes is also one of the renovation projects.

Reconstruction of tap water pipeline: refers to the main tap water pipe in the community and the branch pipe in front of each household water meter. Domestic water pipes are not included. The transformation adopts double-track operation, and the original tap water pipe keeps normal water supply. In addition, newly installed water mains and branch pipes (sometimes including new water meters) will be installed. After the construction, the newly installed water pipes will be washed first, and then the residents will be informed of the exact switching time in writing. Because the preparation work is sufficient, the switching time is very small, about one to two hours.

Reconstruction of sewer pipes: The reconstruction of sewer pipes in old communities focuses on rain and sewage diversion, such as buried sewer pipes, which have been damaged for many years and are not small enough. It is necessary to dig new sewage pipes and the original sewage sewer system that has been used continuously during this period. If the sewer pipe of the external wall is damaged for many years, it needs to be installed and replaced as a whole.

The main sewage pipe of the indoor toilet is used by connecting the rooms in the vertical connection unit up and down in series. There are no special circumstances, which are not included in the renovation of sewage pipes in the community. Therefore, it will not affect the normal use of residents, nor will it affect the waterproof layer of the bathroom.

The renovation of water supply and drainage pipes in old residential areas is not the traditional practice of removing lights first and then installing them. Instead, it is necessary to implement the transformation of the upper and lower pipes to minimize the time when the construction affects the normal life of residents.