NAC618.396. Condition of devices installed on crane to determine ability of crane to bear load.  


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  • The person who supervises the erection or dismantling of a tower crane shall ensure that any device which is installed on a crane or other machine used to erect or dismantle the tower crane and upon which the operator relies in determining the ability of the crane or other machine to bear a load, including instruments known as:

         1. “Load cells”;

         2. “Boom angle indictors”;

         3. “Load moment indicators” or “LMIs”; or

         4. “Wind velocity indicators,”

    Ê are in good working order.

     (Added to NAC by Div. of Industrial Relations, eff. 2-25-97)