R 408.15142 Operator stands.

Rule 5142. A machine operator stand or station shall have a slip-resistant walking and working surface, which shall be kept clean of slippery substances and clear of obstructions, waste, debris, and any other material that might result in fire, slipping, or falling. A stand shall have a means of access, such as steps, a ladder, or footholds and handholds. If the stand is totally enclosed, it shall be ventilated.