In the lower part of the debris elevator shaft accessible to maintenance personnel, the area operated by counterweight (or counterweight) shall have the following protective measures for a) or b):
1. Using rigid barrier protection, the barrier extends from no more than 0.30 m on the ground of the debris elevator pit to a height of at least 2.50 m from the pit floor. The width should be at least equal to the counterweight (or counterweight) width and then add 0.10 m on each side.
2. According to the provisions of 5.6.4.2, limit the running stroke of the counterweight (or counterweight) to a height of not less than 1.80 m above the pit floor.
In a hoistway with multiple debris elevators and/or elevators, a barrier should be provided between the different debris elevators and/or the moving parts of the elevator and between the debris elevator and the elevator. This barrier shall extend at least from the lowest point of the car, counterweight (or counterweight) stroke to a height of 2.50 m above the lowest landing. If the horizontal distance between the edge of the car and the adjacent debris elevator or the moving parts of the elevator [car, counterweight (or counterweight)] is less than 0.50m, the barrier shall extend to the height of the entire hoistway and the width shall be It can prevent people from going from one pit to another.
