DEM/General/TBT-DEM-027

Demolition Adjacent to Occupied Buildings

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Demolishing structures adjacent to occupied buildings requires exceptional care to protect residents, tenants, and the public from noise, dust, vibration, and falling debris. The proximity of occupied premises adds legal, environmental, and reputational risks beyond those of standard demolition. This talk covers the additional controls needed when demolition takes place next to buildings that remain in use.

Key Hazards

Debris falling onto occupied premises or public areas adjacent to the demolition

Structural damage to neighbouring buildings from vibration and ground movement

Dust and noise nuisance affecting occupants of adjacent residential properties

Occupant evacuation required if demolition creates an unsafe exclusion zone

Control Measures

Establish exclusion zones that account for the proximity of occupied buildings and public areas.
Install protective fans, debris netting, and covered walkways to shield adjacent premises.
Monitor vibration on neighbouring buildings and set conservative trigger levels.
Use low-vibration demolition methods such as machine munching rather than impact breaking.
Apply continuous dust suppression and erect solid hoarding between the demolition and occupied buildings.
Notify occupants in advance of the demolition programme, working hours, and complaints contact.
Schedule the noisiest activities during hours agreed with the local authority and building occupants.
Inspect neighbouring buildings before, during, and after demolition for signs of damage.
Brief all operatives on the special controls required due to the proximity of occupied premises.

Remember

Install debris netting, fans, and covered walkways to protect adjacent occupied buildings
Monitor vibration on neighbouring buildings and stop if trigger levels are reached
Notify occupants in advance and provide a complaints contact for the duration of works
Use low-vibration methods and continuous dust suppression throughout the demolition
Inspect neighbouring buildings regularly for signs of cracking or structural movement

Applicable Legislation: CDM 2015 · BS 6187 (Code of Practice for Demolition) · Control of Pollution Act 1974 · Party Wall etc. Act 1996

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