MAN/Specific Tasks/TBT-MAN-010

Handling Manhole Covers and Frames

Manual Handling › Specific Tasks › Handling Manhole Covers and Frames

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Manhole covers and frames are among the heaviest items handled manually on civils construction sites.
A standard 600mm square cast iron cover weighs approximately 40 kg — well beyond safe single-person lift limits.
Heavy-duty covers for highway use weigh 80 kg or more and require mechanical lifting without exception.
Dropping a manhole cover onto feet or hands causes fractures, crush injuries, and amputations.
Lifting covers using fingers in the keyhole is a common cause of finger trap and laceration injuries.
The Manual Handling Operations Regulations 1992 require mechanical aids for loads that cannot be handled safely.
Manhole keys, vacuum lifters, and cover lifting devices are designed specifically for safe cover removal.
Covers must be placed flat on the ground away from the opening to prevent them falling back in.
The open manhole must be guarded with barriers or a temporary cover immediately after the cover is removed.
Reinstating covers requires precise alignment — dropping or forcing them damages the frame and creates trip hazards.

Crush injuries	Dropped covers weighing 40-80 kg cause bone fractures and crush injuries to feet and hands.
Finger traps	Lifting covers by keyhole slots traps and lacerates fingers if the cover slips.
Legal duty	Manual handling regulations require mechanical aids for heavy and awkward loads.
Open void danger	Unguarded open manholes are a fall hazard for pedestrians and other workers.

Don't

Use manhole keys or a cover lifting device — never lift covers with your fingers.
Use a vacuum lifter or mechanical aid for covers weighing over 25 kg.
Wear safety boots with metatarsal protection when handling manhole covers.
Place removed covers flat on the ground at least 600mm from the opening.
Guard the open manhole immediately with barriers or a temporary rated cover.
Use two people minimum for covers that cannot be lifted mechanically.
Lower covers gently into position — do not drop or slide them onto frames.
Check the frame is clean and level before reinstating the cover.
Wear cut-resistant gloves when handling cast iron covers with sharp edges.
Assess the cover weight before choosing the lifting method.

DON'T lift manhole covers using your fingers in the keyhole slot.
DON'T attempt to lift highway-duty covers manually — they weigh over 80 kg.
DON'T leave an open manhole unguarded even for a few seconds.
DON'T drop covers onto frames — the impact damages the seating and creates trip hazards.
DON'T stand over the manhole opening while lifting or lowering the cover.
DON'T lean covers against walls where they can topple and strike someone.
DON'T drag covers across the ground — it damages the frame and the surface.
DON'T handle cast iron covers without cut-resistant gloves — edges are sharp.
DON'T reinstate covers that are cracked, broken, or do not seat correctly.
DON'T assume a cover is light enough to lift alone without checking its weight.

See also: Manual Handling Awareness | Handling Kerbs and Paving

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