PLT/Specific Plant/TBT-PLT-003

360 Excavator Safety

Plant & Equipment › Specific Plant › 360 Excavator Safety

Presenter		Project
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The 360-degree excavator is the most commonly used piece of heavy plant on UK construction sites.
Excavator incidents cause multiple fatalities each year, primarily from struck-by, crush, and overturn events.
Operators must hold a valid CPCS or NPORS card for the specific machine category they are operating.
The 360-degree slew creates a large danger zone around the machine where pedestrians can be struck by the body or bucket.
Blind spots on excavators are significant — a person can be completely hidden from the operator on all sides.
Machine stability depends on ground conditions, operating radius, bucket load, and slope — overreach causes overturns.
Quick hitches must be of the fully automatic locking type — semi-automatic hitches have caused fatal bucket detachments.
Pre-use checks must be completed by the operator every day, covering hydraulics, tracks, cab, controls, and safety systems.
Exclusion zones must be maintained around the operating excavator — no pedestrians within the slew radius.
Communication between the operator and ground workers must use agreed hand signals or two-way radio at all times.

Prevent struck-by deaths	Excavators have extensive blind spots and a lethal slew arc — exclusion zones and banksmen prevent fatal struck-by incidents.
Prevent overturn	Operating beyond the safe radius or on soft ground causes overturns that crush the operator and anyone nearby.
Quick hitch danger	Bucket detachment from faulty quick hitches has killed workers — only fully automatic locking hitches should be used.

Don't

Hold a valid CPCS or NPORS card for the excavator category before operating.
Complete the daily pre-use inspection and record the results before starting work.
Maintain an exclusion zone around the machine — no pedestrians within the slew arc.
Use a banksman with agreed signals when working near pedestrians or obstructions.
Check the quick hitch is fully locked and confirmed secure before every use.
Operate within the machine's safe working radius and on firm, level ground.
Wear the seat belt at all times when operating the excavator.
Check for overhead and underground hazards before positioning the machine.
Shut down the engine and lower the bucket before leaving the cab for any reason.
Report any hydraulic leaks, unusual sounds, or control problems immediately.

DON'T operate an excavator without a valid CPCS or NPORS competency card.
DON'T skip the daily pre-use inspection — it catches faults before they cause incidents.
DON'T allow pedestrians within the slew arc of the operating excavator.
DON'T work near people without a trained banksman maintaining visual contact.
DON'T assume the quick hitch is locked — physically check the locking pins every time.
DON'T overreach or operate on slopes beyond the machine's design limits.
DON'T operate without wearing the seat belt — overturns happen without warning.
DON'T position the excavator near overhead power lines or unmarked buried services.
DON'T leave the cab with the engine running or the bucket raised in the air.
DON'T carry passengers in the cab or allow people to ride on the machine.

See also: Plant & Pedestrian Segregation | Quick Hitch Safety

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