R 408.15718 Rig access; ladders, stairways, ramps, platforms, and elevators.

Rule 5718. (1) A rig must be equipped with stairs, ladders, or ramps. An employee shall not jump from one level to another. (2) A fixed ladder, stair, ramp, or platform must be constructed and maintained in compliance with General Industry Safety and Health Standard Part 2. “Walking-Working Surfaces,” being R 408.10201 to R 408.10241 of the Michigan Administrative Code. Where structural crosspiece of a rig does not allow the required horizontal clearance prescribed in General Industry Safety and Health Standard Part 2. “Walking-Working Surfaces,” the clearance may be reduced to not less than 4 inches. (3) A derrick and mast must be equipped with a fixed ladder providing access from the rig floor to the crown block platform and to each intermediate platform on the structure. (4) A minimum of 2 escape routes must be available to provide alternate exits from the rig floor to ground level when the rig floor height is 6 feet or more. (5) When a working platform is in the folded or storage position, the platform must be secured with not less than 2 fasteners of a type that will not vibrate loose or come loose accidentally. Clevis hooks, safety hooks, or other equivalent devices must be used for this purpose. (6) When an employee cannot perform necessary duties on a well servicing rig from ground level, a working platform must be used around the wellhead. The platform must be of sufficient size and so constructed to allow 2 men to work from it. (7) Each finger of a finger board must be bolted, welded, hinged and pinned, or attached by other equivalent means to its support beam. (8) When climbing a rig ladder, tools or other materials must be properly secured to the employee so that the hands of the employee are free for climbing. (9) An employee engaged in a well servicing or drilling operation may ride an elevator, sometimes called a traveling block, if both of the following provisions are satisfied: (a) The employee riding the elevator is provided with and uses a safety belt or safety harness with a lanyard, as prescribed in R 408.15713(4), that is attached and adjusted to prevent a fall of not more than 6 feet. (b) The elevator is not under load.