RA-HS55 Demolition - Uncontrolled Collapse of Structure
File Reference : RA-HS55 Demolition - Uncontrolled Collapse of Structure
Date File Updated 09-03-26
File Format MS Word
No. of files 1
Category Risk Assessments
Tags: ISO 45001
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This example risk assessment has been prepared using the
F-HS20 General Risk Assessment form template.

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Demolition Uncontrolled Collapse of Structure Risk Assessment

This fully completed demolition uncontrolled collapse of structure risk assessment example has been prepared by a qualified health and safety professional. It covers the specific hazard of uncontrolled or premature structural collapse during demolition operations, including collapse of walls, roofs, floors, gable ends and temporary structures, and can be used as a starting point when developing your own risk assessment documentation.

What Does This Risk Assessment Cover?

This risk assessment identifies the key hazards associated with uncontrolled collapse of structures during demolition including;
  • Premature structural collapse — unanticipated collapse of walls, gable ends, floors or roof structures causing fatal crush injuries, burial and entrapment
  • Overloading of retained floors with demolition arisings — accumulation of demolition waste causing floor collapse

Each hazard includes an inherent risk rating of Substantial, and a comprehensive listing of applicable control measures covering areas such as;

  • Demolition design, sequence and propping scheme produced by a chartered structural engineer
  • Structure surveyed and condition assessed before work commences
  • Temporary propping, shoring and bracing installed to the engineer's specification
  • Exclusion zones maintained at least the height of the structure plus a safety margin
  • Daily inspections by a competent person with immediate suspension of work if movement detected
  • Floor loading capacity assessed before demolition arisings are stockpiled

A residual risk rating is then assigned to each hazard, demonstrating how effective risk management reduces overall risk to a tolerable level.

A Professional, Easy-to-Use Risk Assessment Template

This document uses colour-coded header styles matched to risk ratings, making it quick to read and easy to communicate during toolbox talks and worker training. A built-in risk rating matrix supports consistent evaluation of likelihood and consequence, and hazard pictograms using internationally recognised ISO warning symbols are included alongside relevant hazard entries.
The result is a completed risk assessment that looks professional, reads clearly, and demonstrates a structured and effective approach to risk management.

Who Is This Risk Assessment Template Suitable For?

This demolition uncontrolled collapse risk assessment template is suitable for health and safety advisers, demolition contractors, principal contractors, structural engineers and any employer with a duty to assess risks associated with demolition operations under the Construction (Design and Management) Regulations 2015 (CDM 2015). It can be implemented as a standalone document or as part of a broader occupational health and safety management system aligned with ISO 45001.

Note: This example risk assessment is supplied for use as guidance only and should be reviewed and completed by a competent person.

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