SCF/General/TBT-SCF-040
Scaffold Dismantling Safety Procedures
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Toolbox Talk
Scaffold Dismantling Safety Procedures
Dismantling scaffold is at least as dangerous as erecting it. Scaffolders work on progressively less stable structures as components are removed, and the risk of falls and dropped materials increases with every stage. Incorrect dismantling sequences can cause partial or total collapse. This talk covers the safe dismantling procedure and the controls that protect both the scaffold team and everyone else on site.
Key Hazards
Scaffold collapse from removing components in the wrong sequence during striking
Falls from height as working platforms are progressively reduced during dismantling
Dropped scaffold tubes and fittings striking workers or the public below
Unauthorised persons accessing the scaffold during the dismantling operation
Control Measures
- Dismantle in the reverse order to erection — top down, removing the highest components first.
- Ensure only trained and competent scaffolders carry out the dismantling operation.
- Maintain edge protection on the working level being dismantled until that level is fully struck.
- Establish an exclusion zone beneath the scaffold and station marshals at all access points.
- Lower materials using a gin wheel or hoist — never throw tubes, boards, or fittings from the scaffold.
- Remove ties only as dismantling reaches their level — never strip ties in advance of striking.
- Erect warning signage indicating the scaffold is being dismantled and must not be accessed by others.
- Brief the dismantling team on the sequence, tie removal plan, and the exclusion zone layout.
- Inspect the scaffold condition before dismantling begins and plan for any damaged components.
Remember
- Dismantle top down in the reverse order to erection, removing the highest components first
- Only trained and competent scaffolders may carry out the dismantling operation on site
- Maintain edge protection on the working level until that level is fully struck and cleared
- Lower all materials using a gin wheel or hoist — never throw components from the scaffold
- Remove ties only as dismantling reaches their level and never strip them in advance
- Exclusion zones and warning signage must be in place before dismantling begins
Applicable Legislation: Work at Height Regulations 2005 · TG20:21 (NASC Guidance) · CDM Regulations 2015 · Health and Safety at Work etc. Act 1974
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