ASME HST-4 pdf download Performance Standard for Overhead Electric Wire Rope Hoists SECTION 4-0.1 SCOPE (a) This Standard establishes performance requirements for electric wire rope hoists for vertical liftingservice involving material handling of freely suspended(unguided)loads using wire rope with one of the following types of suspension: (1) lug (2) hook (3) trolley(4) base or deck mounted (does not include basemounted...