Employees before entering or descending to piston chamber shall satisfy themselves that the motor driven elevator, hand operated safety hoist and folding ladders, are in a proper operating condition and that all items described herein under “First Aid and Protective Equipment” are at their specified locations.

If any item of the mechanical apparatus is not operating properly, no descent to the piston shall be made until the item is placed in proper working order. The safety basket on the hand operated safety hoist shall be ready for immediate use before descending to piston.