NAC455C.204. Platforms and runways.  


Latest version.
  •      1. If valves and other appurtenances require frequent manipulation and are so located that they cannot be reached or operated from the floor, a platform or other safe means of operation must be provided. If a platform or runway is used, it must be at least 24 inches wide and be provided with standard handrails and toe boards and have at least 7 feet 6 inches of head room. All runways must have at least two means of exit remotely located from one another and connected to a permanent stairway or incline ladder leading to the floor.

         2. When necessary for safety, a steel runway or platform of standard construction must be installed across the tops of adjacent boilers or pressure vessels or at some other convenient level to afford safe access. All runways must have at least two means of exit, remotely located from one another.

     (Added to NAC by Div. of Industrial Relations by R101-02, eff. 12-15-2004)