Subcontractor Induction Requirements

Every subcontractor worker must receive a site-specific induction before they are permitted to work on the construction project.
The principal contractor is responsible for ensuring subcontractor inductions are delivered and recorded for every individual.
Subcontractor inductions must cover site-specific hazards, emergency procedures, welfare, site rules, and reporting requirements.
Subcontractor supervisors must receive an enhanced induction covering their responsibilities for managing their team's safety.
Inductions must be delivered in a language and format that every worker can understand, regardless of nationality.
Induction records including name, employer, trade, CSCS card details, and date must be maintained on the project file.
Refresher inductions are required when significant changes to site hazards, layout, or procedures occur during the project.
A brief re-induction may be required for subcontractor workers returning after a prolonged absence from the project.
Subcontractor inductions do not replace task-specific method statement briefings for the specific work being undertaken.
The quality of the induction directly correlates with accident rates — a thorough induction reduces injuries among new starters.

First day risk	Subcontractor workers are most vulnerable on their first day — they do not know the site hazards without a thorough induction.
Legal compliance	CDM 2015 requires the principal contractor to ensure all workers are inducted — failure is a criminal offence.
Language barriers	A worker who does not understand the induction cannot follow the rules — delivery must be accessible to all nationalities.

Do

Don't

Induct every subcontractor worker before they start any work on the project.
Cover site-specific hazards, emergency procedures, welfare, and site rules.
Provide enhanced inductions for subcontractor supervisors covering their responsibilities.
Deliver inductions in languages and formats that every worker can understand.
Record name, employer, trade, CSCS card, and induction date for every individual.
Re-induct subcontractor workers returning after a prolonged absence from the project.
Update induction content when significant site hazards or procedures change.
Follow up inductions with task-specific method statement briefings for each activity.
Test understanding during the induction — do not just present information passively.
Maintain induction records available for inspection by the HSE and client.

DON'T allow subcontractor workers on site without completing the site induction first.
DON'T omit site-specific hazards from the induction — generic presentations miss real dangers.
DON'T treat supervisor inductions the same as operative inductions — supervisors need more.
DON'T deliver English-only inductions to a multilingual workforce without support.
DON'T let workers start without recording their induction details on the project file.
DON'T assume returning workers remember the induction — re-induct after long absences.
DON'T use outdated induction material when site conditions have changed significantly.
DON'T treat the induction as a substitute for task-specific method statement briefings.
DON'T deliver the induction passively — check that every worker understands the content.
DON'T lose induction records — they prove every worker was briefed before starting.

See also: Site Induction Requirements | Subcontractor Safety Management

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