The owner wants to let the property pass water.

Explain technical feasibility and legal compliance.

1. It can explain the technical feasibility of launching the property, and involves evaluating the existing drainage system and sewer pipe structure of the property to determine whether there are suitable locations and conditions for connecting the owner to launch.

2. You can introduce the relevant laws and regulations, such as whether the local building codes and regulations allow the owner to connect the sewer pipe by himself, and whether it is necessary to obtain the relevant approval or permit.