3/3/2026

Norms, expert judgements and professional responsibility

Decisions in fire safety often sit at the intersection of regulatory compliance and real-world risk control. While building regulations are designed to ensure a minimum level of safety, practice shows that solutions can be formally compliant yet still technically or socially fragile. This creates ethical dilemmas for everyone involved: authorities, designers, advisors, and test institutes.

Regulations as a minimum framework, not as a guarantee

Modern building regulations set the required level of safety, not how to achieve it. While this encourages innovation, compliance alone does not guarantee predictable performance in real fires. Standardized tests and harmonized product norms rely on simplified fire scenarios and controlled conditions. These are essential for comparability, but they cannot fully represent the complexity of real buildings, where materials, systems, geometry and human behavior interact.

Performance-based design (PBD) adds flexibility but depends on assumptions about for instance fire growth, ventilation, evacuation, and system failures, meaning formally acceptable designs can still be fragile. The equivalence principle allows alternative solutions if they meet the same safety level, but assessment is challenging for authorities due to limited model transparency, uncertain assumptions, and difficult comparisons with prescriptive solutions. Regulations provide a baseline, not project-specific assurance.

Common Ethical Dilemmas

Fire performance is usually tested for specific product configurations. In real buildings, products are combined in ways that were never tested together. Small changes in fixings, penetrations or interfaces can significantly affect performance. While certification focuses on individual systems, actual fire safety depends on how all elements interact.

Test institutes like Efectis increasingly conduct system-level tests, but many designs still rely on expert judgement or extrapolation. The ethical question is not legal defensibility but whether remaining uncertainties are proportionate to potential consequences.

Ethical issues arise under time and cost pressures, when fire safety measures are optimised late. This increases the temptation to “just comply” with minimal interventions, even if earlier design stages would have allowed more robust solutions.

Models such as CFD and evacuation simulations are valuable but depend on accurate data and validation. Evacuation models, for example, simulate movement under assumed conditions, but do not assess whether routes are intuitive or recognisable to users. Designs that operate at theoretical capacity may fail under real behavioural conditions. When models are used beyond their scope, uncertainties must be clearly communicated to clients and authorities.

The role of test institutes and experts

Independent tests provide objective data, but reports only reflect what was measured, not how systems perform in other configurations. Experts must balance client interests, regulations, and public safety, ensuring transparency about assumptions, limitations, and risks.

Ethical practice does not mean rejecting every uncertain solution, but it does require transparency about assumptions, limitations and risks. This includes clearly stating when applications go beyond tested configurations, when extrapolation becomes uncertain, and when safety margins are eroding.

This signaling function is crucial not only for projects, but also for product development, policy making and future standards.

From compliance to safety culture

The construction sector relies heavily on certificates, reports and checklists. These are necessary, but insufficient for complex systems where interactions and human behaviour play a decisive role.

Design freedom requires a culture where experts and advisors are encouraged to raise concerns, test institutes actively interpret their data, authorities are empowered to ask critical questions, and clients do not see safety solely as a cost factor.

Ethics in fire safety is not found in exceptional crisis moments, but in everyday decisions about assumptions, margins and interpretations. Interdisciplinary review, learning from incidents and near-misses, and creating space for technical objections are essential elements of responsible practice.

Ultimately, the key question is not whether a design can be legally defended, but whether it remains technically and socially justifiable when assumptions fail. That requires more than compliance. It requires ownership of safety.

For more information, please contact Cindy Beckers