9

Cranes

Abstract

This chapter describes the differences between high integrity cranes employed by the nuclear industry and the more conventional type seen elsewhere. Both are known as electric overhead travelling (EOT). It covers the range of lifting equipment that can be attached to nuclear payloads, the safety features that can detect and halt a potential overload, and the examinations that are conducted to ensure these cranes are always safe to operate. In addition, the chapter describes the features that enable high integrity cranes to remain operable after a severe earthquake. It explains the significance of a crane’s safe working load (SWL) and the safety margins that underpin how that load is determined. A large section is dedicated ...

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