The height of the protective door of the construction elevator shall not be less than

More than one meter five. In order to ensure the safety of construction workers and prevent accidental falling accidents at high altitude, it is generally necessary to install protective doors at the elevator wellhead. When installing a protective door at the elevator wellhead, its height should generally be more than one meter five, preferably less than one meter eight. The distance between the bottom of the protective door and the ground should be kept at 50 mm, and a pedal should also be set.