UK construction-safety guidance by the Riskora Editorial Team
Producing a proper risk assessment for site clearance is not optional — it is a legal and practical requirement for construction work in the UK. Whether you are a sole trader or managing a multi-phase project, documented risk management protects your workers, satisfies clients, and keeps you on the right side of HSE enforcement.
Example Risk Assessment
Risk Assessment for Site Clearance
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The Management of Health and Safety at Work Regulations 1999 require employers to carry out a suitable and sufficient risk assessment for site clearance before operations start. Self-employed workers carrying out construction activities must also comply.
A construction contractor in UK needs to produce a risk assessment for site clearance before starting work next week. The client has requested professional documentation as a condition of site access. Using Riskora, they select the relevant trade preset, review pre-populated hazards, adjust controls for their specific site, and generate a professional risk assessment in under 5 minutes — ready for review and sign-off.
CDM 2015 requires the pre-construction information to be gathered and used, which for clearance means the desk study, any contamination data and any ecological survey. On top of that sit two non-HSE regimes that catch contractors out: the duty of care for waste under the Environmental Protection Act 1990, and species protection under the Wildlife and Countryside Act 1981, where disturbing an active nest is a criminal offence regardless of intent.
CDM Regulations 2015 · SI 2015/51
HSE
Control of Asbestos Regulations 2012 (fly-tipped and buried ACMs) · SI 2012/632
HSE
Environmental Protection Act 1990 — duty of care for waste
Environment Agency
Wildlife and Countryside Act 1981 (nesting birds, protected species)
Natural England
Site clearance is treated as the simple bit of a project and is usually the point at which the unpleasant surprises appear: buried asbestos, contaminated fill, a bat roost, a knotweed stand. What a reviewer looks for is not a hazard list but a stop-work trigger — the written point at which the machine stops and someone competent is called.
| Hazard | Control measure |
|---|---|
| Contaminated ground, fly-tipped waste and buried asbestos | Desk study and walkover before mobilisation, watching brief during clearance with a stop-work trigger on discovery of suspect material, and segregation and testing of anything unidentified before it is moved. |
| Sharps, needles and biological contamination on open sites | Sharps survey and sweep before clearance, puncture-resistant gloves and boots, sharps bins on site, and a written response including immediate first aid and occupational health referral for any needlestick. |
| Plant and pedestrian interface in uncontrolled vegetation | Clearance sequenced so plant works in defined zones with no operatives on foot inside them, banksman for reversing, and hand clearance separated in time from mechanical clearance. |
| Disturbing nesting birds, bats or other protected species | Ecological survey before clearance, vegetation removal outside the nesting season (March to August) where possible, and work stopped and an ecologist consulted on discovery of any active nest or roost. |
| Spreading invasive species such as Japanese knotweed | Survey and mark stands before clearance, exclusion zone maintained, no movement of soil from within the stand, and a management plan with licensed disposal where removal is required. |
| Dust and smoke nuisance to neighbours | Damping down of haul routes and stockpiles, no burning of site waste, sheeted vehicles leaving site, and a wheel wash where the exit is onto a public road. |
Work stops in that area immediately. The material is left undisturbed, the area is cordoned, and a competent surveyor samples it before any further clearance. The stop-work trigger and who is called should be written into the assessment in advance, because the decision is otherwise made by a machine operator on the day.
It is not automatically prohibited, but it is a criminal offence to damage or destroy an active nest under the Wildlife and Countryside Act 1981. Clearance between March and August therefore needs an ecological check immediately before work, and a stop-and-consult procedure if a nest is found.
The producer, under the Environmental Protection Act 1990 duty of care — and that responsibility does not end when the skip leaves. Use a licensed carrier, keep transfer notes, and consign hazardous waste separately with the notes retained.
Select your trade, pick your hazards, and generate a structured document — no training required.
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Riskora is an assistive document preparation tool. All documents generated must be reviewed, verified, and approved by a competent person before use on site. Riskora does not replace professional safety judgment, and no output should be treated as a legal compliance guarantee.