MAN/Specific Tasks/TBT-MAN-007

Handling Bags of Cement and Aggregate

Manual Handling › Specific Tasks › Handling Bags of Cement and Aggregate

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Bags of cement and aggregate are among the most frequently handled heavy items on UK construction sites.
A standard bag of cement weighs 25kg — reduced from the historic 50kg to lower the risk of manual handling injuries.
Aggregate bags (bulk bags or tonne bags) weigh approximately 850kg to 1000kg and require mechanical lifting equipment.
Lifting 25kg cement bags repeatedly throughout a shift causes cumulative back, shoulder, and knee injuries.
Correct lifting technique — bend your knees, keep the load close, and lift with your legs — reduces but does not eliminate injury risk.
Mechanical aids including pallet trucks, sack barrows, and conveyor systems reduce the number of manual lifts required.
Cement dust from torn bags and during emptying is an irritant and contains chrome VI — RPE and gloves are required.
Bulk bag lifting requires a rated crane hook or telehandler with the correct lifting attachment and secure bag loops.
Bags must be stored on pallets in stable stacks, protected from rain — wet cement bags set solid and become unusable.
Team lifting of individual bags reduces the load per person but requires coordination to prevent sudden load transfer.

Cumulative damage	Lifting 25kg bags hundreds of times per day causes the chronic back injuries that force workers out of the industry.
Bulk bag failure	A tonne bag with damaged loops dropped from a crane or telehandler crushes anyone beneath it instantly.
Cement dust	Tearing and emptying cement bags releases irritant dust and chrome VI — respiratory and skin protection is mandatory.

Don't

Use pallet trucks, sack barrows, or conveyors to reduce manual lifting of cement bags.
Lift bags using correct technique — knees bent, load close, lifting with legs.
Rotate bagging tasks with the team to reduce cumulative manual handling strain.
Wear RPE and gloves when opening bags and working in dusty cement environments.
Use rated mechanical lifting for all bulk bags — never drag or manually move tonne bags.
Check bulk bag loops for damage before attaching them to the lifting equipment.
Store bags on pallets in stable stacks protected from rain and moisture.
Plan deliveries close to the point of use to minimise carrying distances.
Coordinate team lifts clearly — one person leads and communicates throughout.
Report back pain or shoulder strain before it develops into chronic injury.

DON'T lift cement bags all day without using mechanical aids and task rotation.
DON'T bend at the waist to lift bags — use your legs with the load held close.
DON'T ignore cumulative strain — rotate tasks before injury develops.
DON'T handle cement without RPE and gloves — the dust irritates lungs and skin.
DON'T attempt to manually move bulk bags — they require mechanical lifting only.
DON'T lift bulk bags with damaged, frayed, or cut lifting loops.
DON'T store cement bags on bare ground or exposed to rain — they set solid.
DON'T accept deliveries at the far end of the site when closer placement is possible.
DON'T carry heavy bags alone without coordination with the team on lifting sequence.
DON'T dismiss early pain — report it and get treatment before permanent damage occurs.

See also: Manual Handling Awareness | Correct Lifting Technique

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