R 408.14433 Gangways and aisles.

Rule 4433. (1) A gangway or aisle in which molten metal is being transported must be clear of obstructions and water. (2) A gangway must be not less than 4 feet wide or must be 3 feet wider than the widest load for which it is used. (3) A work station must be not less than 2 feet from aisles and gangways, except when protected by a guardrail system, 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. (4) Access to and from a work station must be free of obstructions.