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Demolition

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Demolition

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  1. Demolition Hazards & Control Measures

  2. Remember! The CDM Regs 1994 apply to all demolition & dismantlement work

  3. Hazards - Physical • Falling from height • Falls through openings & fragile materials • Uncontrolled/premature collapse • Noise • Flying debris • HAVS from tools • Whole body vibration from vehicles

  4. Hazards - Physical • Cause nearby structures to collapse • Live services – gas, electric, water • Fire • Broken glass from windows • Unguarded machinery • Floods • Electric shock • Manual Handling

  5. Hazards - Chemical • Dust • Asbestos • Silica • Residual contamination from previous use? E.g. hospitals, industrial processes

  6. Controls • Risk Assessment • Competent, trained staff • Safe system of work (derived from RA) • PPE – helmets, boots, dust masks etc. • Safe demolition requires planning • Keep people as far away as possible • Use of method statements

  7. Controls • Supervision by competent person • Where possible, demolish in reverse order of construction • Use CDM H&S file if available? • Protect machine cabs to guard against falling objects • Temporary props may be required to support unstable structures

  8. Controls • Remove debris as it builds up to prevent floors/walls collapsing • Disconnect live services (although water may be required in event of a fire) • Remove hazardous materials • Provide site hoardings where necessary (about 2.5m high) • Do not allow materials to fall into area where people are

  9. Controls • Fans or covered walkways may be needed to catch falling objects • Erect warning notices around hoardings • Remove window panes before demolition • Erect warning notices on doors, especially where floors have been removed

  10. Controls • Damp area down with water • Dog-leg rubbish chutes, or barrier off skip area • Provide safe access & egress (especially where there are no floors) • High standard of housekeeping • Secure ladders • Use safety harnesses where necessary • Create a buffer zone around the demolition area