Inspection and maintenance methods of fire doors in Shenzhen

If the use effect of Shenzhen fire doors is to be guaranteed, special personnel should check and maintain them regularly. The specific maintenance methods are as follows:

1： It is prohibited to set the normally closed fire doors on the evacuation walkway, in the front room of the smoke-proof staircase or in the front room of the shared room, which are artificially opened during use, and become "normally open" fire doors. If a fire occurs, such "normally open" fire doors cannot block smoke and fire.


2： Frequently check the integrity of the fire door, check whether the door closers and sequencers are in good use, whether the fire door can be closed by itself in order, and whether the screws on the hinges and hinges are loose. If the fire door is damaged, immediately organize maintenance.


3： It is forbidden for the user to pursue the decoration effect unilaterally, cancel the fire door frame and only set the door jamb made of ordinary wood, replace the original frame of the fire door leaf with other materials, and paste the decorative surface layer on a large scale, thus damaging the fire protection coating, resulting in the fire protection effect of the fire door.


4： The normally open fire doors shall be tested regularly to check whether the self-closing control system, door closers, sequencers, release switches and other aspects of the fire doors are easy to use, check whether the fire doors can effectively perform the self-closing function in the event of fire, and at the same time, the phenomenon of random stacking of items near the normally open fire doors shall be avoided.