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When is it crucial to verify the weight of the load?

  1. Before selecting the crane

  2. Before making a lift

  3. Before shutting down

  4. Before changing crew

The correct answer is: Before making a lift

Verifying the weight of the load is essential before making a lift because it directly impacts the safety and effectiveness of the operation. Knowing the exact weight ensures that the crane being used is suitable for the load capacity and that it can safely lift and maneuver the load without risk of failure. If the load's weight exceeds the crane’s rated capacity, it could lead to catastrophic failure, including potential equipment damage or injuries to personnel. Additionally, understanding the load weight helps in planning the lift accurately, including stabilizing the load and ensuring that proper rigging techniques are employed. While checking the weight before selecting the crane is important, it is even more pivotal to confirm it just before making the lift to avoid any last-minute surprises. Similarly, the other scenarios listed do not necessitate an immediate verification of weight, making the moment before the lift the most critical time for this verification.