▶ Fire door should not be maintained under fixed condition due to manipulation of stopper or door release. Instead, fire door should be either always closed structure or should be structure that closes automatically due to fire detector or fuse if there is a fire.
There should be no equipments etc. piled up near the pocket door etc. and in case of fire escaping floor on the ground floor which is directly linked to fire escape staircase, fire door and fire shutter can be exempted for windshield room only.