Types and installation methods of subway civil air defense doors

First, how to install the civil air defense door?

1, civil air defense door frame before installation, should check whether the door frame is set in accordance with the provisions, vertical frame support and reserved pouring construction slot. After inspection and acceptance, the door frame can be installed.

2. Before the installation of civil air defense doorframes, the civil air defense professional installation team shall locate the civil air defense doorframes from the site storage location according to the center line of the civil air defense doorway, the doorway sideline and the doorframe elevation line provided by the construction unit.

3, civil air defense door frame verticality, elevation debugging to meet the accuracy requirements, must be fixed firmly with steel support system in time. After the door frame is installed in place, the construction unit and the professional installation team of the civil air defense door should review the center line of the entrance of the civil air defense door, the edge line of the door and the elevation of the door frame.