This STD provides clarification for 29 CFR 1926.550(a)(9); clarification of accessible areas within the swing radius of the rear of the rotating superstructure of the crane. Old STD number: STD 3-12.2 Cranes - Swing Radius. Note: 1926.550 was redesignated 1926.1501 by new standard issued August 9, 2010, [Federal Register]. However, 1926.1501 does not exist.

Reference Subpart CC - Cranes and Derricks for standards applicable to cranes. Additional information and resources can be found on the safety and health topic page for Cranes and Derricks

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