![]() Our team reviews the design calculations to include the device and the structure it is mounted on, such as a vessel shell or skirt. Becht performs a thorough analysis of the points of attachment as part of our engineered lift plan reviews. Generally, the consensus is that trunnions and lift lugs are designed by others and they should be right. It is a common practice that the crane contractor assumes responsibility for rigging above the points of attachment. It is our experience that the owners of the equipment and the crane contractors are assuming these devices are properly designed and rated. In industry today, the load/vessel designers typically design the lifting lugs and trunnions at the same time. Our experience is that reviews of rigging points of attachment have identified critical flaws that may have resulted in dropped loads. Are we taking enough time to analyze the points of attachment for the rigging? Becht Engineering Heavy Lift Division says “NO”. When planning major crane lifts we are very careful about confirming the crane foundation, rigging stability/capacity, and crane capacity. Review of rigging attachments to the equipment being lifted have prevented lift failures.
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