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Safety Culture LadderRequirements per level

Requirements for the Veiligheidsladder (Safety Culture Ladder) per level

The Veiligheidsladder (SCL) assesses your organisation not on documents, but on behaviour and culture. It does this through 5 themes. For each level, the SCL standard  from NEN  describes which behaviour is expected. The higher the level, the more it is about behaviour you can demonstrate in practice, not only systems on paper.

On this page, we work out the 5 themes and show per theme what the difference is between levels 2, 3 and 4. For the requirements of the audit itself, see the audit page. To read what behaviour and culture mean in substance, read that page separately.

SCL 2.0 has applied since 1 January 2024. That version replaced the old structure of 6 business aspects with 5 themes. For new and recertified organisations, SCL 2.0 has been mandatory since 1 January 2025.

Level 3 means: systems are in place and demonstrably used. Level 4 means: behaviour and attitudes have demonstrably changed, from the board to the shop floor. That is a fundamental difference. The official guidance ViA 3.0 (Dutch guidance document) uses the term “niveaus” (levels) rather than “treden” (rungs). In substance, that is the same thing.

The 5 themes of SCL 2.0

The SCL assesses every organisation against 5 themes. Each theme looks at behaviour, not paper. For what has changed since 2016 in these themes and in the self-assessment, read SCL 2.0.

1. Policy and leadership

This theme looks at safety policy and the role of management: do managers set a good example, do they speak to employees, and does the policy truly give direction?

Level 2Level 3Level 4
Leadership attitudeResponds to incidentsActively steers complianceActively asks for feedback, sets a visible example
Safety policyExists, but reactiveAdopted and communicatedBuilt into all strategic decisions
Priority of safetyOnly after an incidentStructural, but driven by complianceWeighted equally with production and planning

An example of level 4 leadership: a site manager who puts on their own helmet before entering the hall during a site visit, and asks employees whether they dare to report unsafe situations.

2. Knowledge and skills

This theme covers knowledge and skills about safety across the whole organisation. Do people know what safe working requires, and is that knowledge also developed?

Level 2Level 3Level 4
TrainingLegally required onlyFocused on the risks of their own workContinuous, linked to behaviour
Knowledge on the shop floorVaries per personEveryone knows their tasksPeople help think of safer ways of working
DevelopmentNo fixed planRegular refresher trainingLearning is part of the culture

An installation company at level 3 schedules annual toolbox meetings on its own risks. At level 4, fitters raise topics themselves, based on what they encounter on site.

3. Primary and secondary processes

This theme checks whether safety is built into daily work and support processes. Are procedures known, are they followed, and is the workplace actively kept safe?

Level 2Level 3Level 4
ProceduresIn place only after an incidentUp to date, available, knownEmployees involved in writing and improving them
Workplace inspectionRare, or only after a complaintPeriodic, recordedFrequent, initiated by employees themselves
ComplianceDepends on supervisionHigh, through habit and enforcementIntrinsic: people act safely even without supervision

A concrete difference: at level 3, a fitter follows the lifting procedure because their supervisor checks it. At level 4, they follow it because they see it as the only logical way to work.

4. Working with external parties

This theme looks at safety culture in cooperation with suppliers, subcontractors and other external partners. Do you also check this further down the chain?

Level 2Level 3Level 4
Requirements for partnersHardly anyMinimum requirements for subcontractorsActive selection and assessment on culture
CoordinationAd hocStructured at the start of workOpen dialogue about what goes well and what goes wrong
Shared responsibilityUnclearRecorded in agreementsShared ownership with partners

Many construction companies find during the audit that their own systems are in order, but that they set few requirements for subcontractors. Level 4 calls for an active partner policy on safety culture.

5. Learning and improving

Are near misses reported, and does the organisation learn from what it measures? Are figures used as a mirror or as a checklist?

Level 2Level 3Level 4
Reporting behaviourOnly for serious incidentsNear misses are reportedReporting is seen as positive behaviour
Follow-up of reportsNo structured approachReports are analysedFeedback to the reporter, lessons shared
Learning organisationHardlyDemonstrable, in proceduresVisible in behaviour: mistakes can be discussed

This theme is one of the most visible differences between levels 3 and 4. At level 3, there is a reporting system and reports are processed. At level 4, everyone knows why reporting pays off, and a fitter also dares to say that something is unsafe without fear of consequences.

What this means for your preparation

The 5 themes are your guide for the gap analysis. For each theme, you ask: where do you stand now, and what does your target level require? You can find more detail per level on the page the 5 levels. How the auditor tests this is set out on the page the audit process. And the full step-by-step plan to certification is at step-by-step plan.

More about the Veiligheidsladder