1d (edited) • Equipment& Load Control Issues
Case Study 46: Bulk Bags Lifted Against Manufacturer Instructions
Incident Overview
Multiple one-tonne bulk bags were lifted overhead on a live construction site. The bags were
clearly labelled with instructions requiring a single transport lift using four chains, one connected
to each corner loop. Despite this, the bags were lifted again using fewer attachment points after
their initial transport lift.
What Went Wrong
Manufacturer instructions were ignored and no one exercised stop-work authority.
Key Lessons Learned
- Manufacturer instructions are mandatory
- Collective silence enables unsafe lifting
Safety Recommendations
Bulk bags must only be lifted in accordance with manufacturer instructions.
●LOLER 1998 – Regulation 4 (Strength and stability of loads); Regulation 8 (Organisation of lifting operations)
●PUWER 1998 – Regulation 4 (Suitability of work equipment); Regulation 8 (Information and instructions)
●BS 7121-1 – Selection and use of lifting accessories; compliance with manufacturer instructions
●Manufacturer guidance – Bulk bag lifting limits, single-use lifting eyes and specified sling configurations
Wolf Lifting Dynamics Limited – Safety HUB | Case Study 46
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Case Study 46: Bulk Bags Lifted Against Manufacturer Instructions
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