ASME B30.28 pdf download Balance Lifting Units Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings SECTION 28-0.1: SCOPE OF ASME B30.28 Volume B30.28 includes provisions that apply to themarking,construction, installation, inspection, testing.maintenance, and operation of balance lifting units (balancers). Balancers are distinguished by their ability tofloat the load. This Volume applies to balancers withfixed arm support (Fig....