ANSI B11.5 1988 Edition, August 23, 1988
Machines Ironworkers Safety Requirements for Construction, Care and Use
Includes all amendments and changes through Reaffirmation Notice , July 15, 2008
General. The requirements of this standard apply to those combination, multipurpose powered machines that punch, shear, notch, cope, and from metals or other materials, commonly referred to as ironworkers.