Water weights

Water weights are water-filled bags that are designed as a safe, practical and economical method of non-destructive testing and checking the structural integrity of cranes, davits, lifeboats, link spans, ramps and lifts, floors and bridges.¹²

Water weights are a popular alternative to solid weights as they are safer to use³² and can offer cost savings in transportation, storage, and labor. When performing load tests using water weights, gradual application of the load allows problems to be identified before attaining maximum load.⁴

References

Maritime and Coastguard Agency (2003). Merchant Shipping Notices. The Stationery Office. p. 64. ISBN 978-0-11-552478-3.
"Lifting & Rigging Gear at Holloway | Chain Slings, Wire Rope Slings, Hoists, & More. Shop Now!". Holloway Houston. Retrieved 2026-01-06.
"How Water-Bag Calibration Dramatically Improves Heavy Duty Industrial Weighing Precision - Pat Kruger". 2025-03-26. Retrieved 2026-01-06.
"China Customized Load Test Water Bags Water-filled Load Test Water Bags For Lifeboat Manufacturers, Suppliers - Low Price - Gathering Marine". www.chinaxhmarine.com. Retrieved 2026-01-06.

[Agency_(MCA)2003-1] Maritime and Coastguard Agency (2003). Merchant Shipping Notices. The Stationery Office. p. 64. ISBN 978-0-11-552478-3.

[:0-2] "Lifting & Rigging Gear at Holloway | Chain Slings, Wire Rope Slings, Hoists, & More. Shop Now!". Holloway Houston. Retrieved 2026-01-06.

[3] "How Water-Bag Calibration Dramatically Improves Heavy Duty Industrial Weighing Precision - Pat Kruger". 2025-03-26. Retrieved 2026-01-06.

[4] "China Customized Load Test Water Bags Water-filled Load Test Water Bags For Lifeboat Manufacturers, Suppliers - Low Price - Gathering Marine". www.chinaxhmarine.com. Retrieved 2026-01-06.

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