According to the elevator maintenance safety standard, the height of emergency stop switch in the elevator pit requires that there are two emergency stop switches when the pit bottom exceeds 1600mm, and the elevator circuit entering and leaving the car roof should be tested and verified. The maximum distance from the hall door to the emergency stop switch on the car roof is 750 mm
Distinguish the vertical well space of elevator installation according to the installation position. Elevator can be installed in stairwells, civil wells, walls and other areas, and there must be vertical well spacing, especially when the elevator is installed by cutting floors.