How should you estimate the total weight of a multi-component load for rigging?

• A. Sum weights of all components and attachments; include pallets, fixtures, and potential dynamic factors; confirm with data or measurement if uncertain.
• B. Weigh only the main component.
• C. Guess weight based on a similar load.
• D. Use the weight printed on the pallet label.

Answer: (B)

Total load weight must reflect everything being lifted, not just the main item. To accurately estimate the weight for rigging, you add up the weights of every component that will be part of the lift: the main load, any attachments, hardware, pallets, fixtures, and packaging, plus any securement materials. If exact weights aren’t known, use manufacturer data, calibrated scales, or measure each part to reduce uncertainty, and plan for a worst‑case scenario with an appropriate safety factor. Remember that dynamic factors during lifting—movement, acceleration, shifting, and swing—can increase the effective load on the rigging gear, so factor those in or size equipment to handle the higher load. Relying on just the main item, a pallet label, or a guess based on a similar load leads to underestimating the total load and can compromise safety.