He designed new, bolted moment connections at the column caps to resist the lateral forces the Guide warned him about. He used the recommended "stop blocks" details from the appendix—details specifically designed to dissipate energy rather than transfer it into the frame. The Crane-Supporting Steel Structures: Design Guide

4. Crane Rail and Fastener Integration

Previously treated as separate elements, the 4th Edition mandates: 4th Edition (2021) He designed new

New Design Content: It introduced a dedicated section on cranes with guide rollers, which are more sensitive to rail misalignment than traditional flanged wheels. The Crane-Supporting Steel Structures: Design Guide

Serviceability and Tolerances: Defining strict limits for deflection, vibration, and rail alignment to ensure safe crane operation.