This is too fierce, to do evil. If it is not convenient to do the ceremony, we should do some preliminary work on geomantic omen at the beginning of the design. How to do it depends on the design drawings and renderings of the real estate.
The simplest thing is to ask Master Tong Chi to do the ritual of eliminating evil. Because it is not a local primitive evil spirit, you can go to Gai Lou soon after the event, and generally there will be no subsequent problems.