TWK/General/TBT-TWK-007

Temporary Works Coordinator Role

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Temporary Works Coordinator Role

Toolbox Talk Record

Ref: TBT-TWK-007  |  Issue: 1  |  Date: March 2026
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What?

  • The Temporary Works Coordinator (TWC) manages all temporary works on a project.
  • Every project with temporary works must have a named TWC appointed by the principal contractor.
  • The TWC ensures temporary works are designed, checked, approved, installed, and removed safely.
  • BS 5975 sets out requirements for temporary works procedures including the TWC role.
  • The TWC maintains the temporary works register listing all items on the project.
  • No temporary works may be loaded, altered, or removed without the TWC's formal approval.
  • The TWC must be competent — trained, experienced, and have sufficient authority.
  • Common temporary works include formwork, falsework, propping, shoring, and crane bases.
  • The TWC coordinates between the designer and the site installation team.
  • Failure to follow BS 5975 procedure has contributed to structural collapses.

Why?

Prevent collapseUncontrolled temporary works are a major cause of structural collapse.
Formal controlThe TWC ensures every item is designed, checked, and approved.
Legal complianceCDM 2015 and BS 5975 require a managed procedure on all projects.
CoordinationThe TWC links designers, checkers, and site teams to prevent failures.
Do Don't
  • Confirm a Temporary Works Coordinator is named for your project.
  • Follow the TWC's instructions on installation and loading restrictions.
  • Request the TWC's approval before loading any temporary works structure.
  • Report damage or concerns about temporary works to the TWC immediately.
  • Check the temporary works register for the status of items in your area.
  • Attend TWC briefings on temporary works relevant to your activity.
  • Ensure design briefs are issued to the TWC before specialist works begin.
  • Obtain the TWC's permit before removing or striking temporary works.
  • Support the TWC by reporting deviations from the approved design.
  • Understand that the TWC has authority to stop work if controls are not met.
  • DON'T load temporary works without the TWC's formal approval.
  • DON'T alter, modify, or remove temporary works without the TWC's permission.
  • DON'T bypass the procedure to speed up the programme.
  • DON'T assume temporary works are someone else's responsibility.
  • DON'T strike formwork or falsework before the TWC confirms it is safe.
  • DON'T install temporary works that differ from the approved design.
  • DON'T ignore the temporary works register — check it before starting.
  • DON'T carry out temporary works without a design check certificate.
  • DON'T undermine the TWC's authority on temporary works decisions.
  • DON'T proceed if the TWC has not been briefed on your requirements.

See also: Temporary Works Awareness | Temporary Works Register
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