Which factor is critical for determining the safety of a lifted load during operation?

Load weight is crucial for determining the safety of a lifted load during operation because it directly influences the capacity limits of the rigging equipment and the lifting mechanism. Understanding the weight of the load enables operators to select the appropriate crane, slings, and other rigging materials that are rated for that specific load capacity.

If the load exceeds the crane's or rigging equipment's rated capacity, it can result in equipment failure, which poses significant risks to both personnel and property. Accurate load weight assessments help in calculating the center of gravity as well, allowing for better stability during lifting operations. Hence, knowing the precise weight of the load ensures that safety protocols are followed, which is paramount in preventing accidents during lifting activities.