Man cages and skips used for hoisting or lowering employees or other persons in any vertical shaft or any inclined shaft with an angle or inclination of 45% from the horizontal shall be covered with a metal bonnet.
Ariz. Admin. Code § R11-1-1164
Man cages and skips used for hoisting or lowering employees or other persons in any vertical shaft or any inclined shaft with an angle or inclination of 45% from the horizontal shall be covered with a metal bonnet.
Ariz. Admin. Code § R11-1-1164