Civil air defense of underground parking garage in residential area does not need to be signed. Civil air defense parking spaces are emergency parking spaces, so civil air defense parking spaces are usually built on the next floor of ordinary underground garages, that is, the second floor of buildings.

The doors of civil air defense parking spaces are very eye-catching, generally huge and heavy fire doors, so as to ensure the safety of emergency evacuation personnel.

At the door of the civil air defense parking space, the words of the civil air defense garage will be clearly written, as well as the words of the civil air defense parking space and the code of the civil air defense parking space.