5 Warning Signs Your Site Has Uncontrolled Fatal Risks

On high-risk sites like construction and utilities, workplace fatalities occur when fatal risks aren’t properly identified or effectively controlled. 

Fatal risks, also known as critical risks, are risks with the potential to cause serious injury or fatality (SIF). 

Without effective critical controls in place to prevent or mitigate the consequences of a fatal risk, the likelihood of a SIF event increases significantly.

Here, we look at why low injury rates don’t equal low SIF risk as well as five signs of uncontrolled fatal risk.

 

Key takeaways 

• Low injury rates don’t guarantee effective serious injury and fatality (SIF) prevention. 

• Fatal risks must be clearly defined and separated from general hazards. 

• Critical controls must be standardised and explicitly linked to fatal risks. 

• Critical controls must be physically verified before starting high-risk work. 

• Leadership focus on fatal risk, not just injury metrics, is essential. 

• Near misses should be analysed for SIF potential, not just recorded for compliance. 

 

Why good injury statistics don’t equal fatality prevention 

One of the greatest risks in construction and utilities is assuming your safety systems are working because your injury rates are low. 

Low injury rates do not mean fatal risks are being effectively controlled. 

These well-known catastrophic incidents occurred after recording no- or low-injury metrics: 

• Deepwater Horizon oil spill: 11 fatalities following seven years without a lost-time accident. 

• Space Shuttle Challenger disaster: 7 fatalities following 24 successful missions and 19 years since the last fatal flight. 

• Pike River Mine disaster: 29 fatalities following good Lost Time Injury Frequency Rate (LTIFR) and strong safety reporting. 

A recent study analysed 17 years of data comprising over 3.26 trillion worker-hours and found: 

• Total Recordable Injury Rate (TRIR) is largely random at the organisational level. 

• TRIR has no statistical relationship with fatalities. 

• TRIR is statistically imprecise. 

To be a meaningful indicator of safety performance, low injury rates need to be backed by proof that fatal risks are being controlled on every job every day.   

How can you know if you have uncontrolled fatal risks? Here are five warning signs to watch for:

 

1. Workers can’t identify what could cause a fatality 

If workers can’t identify what could kill them in their job today, that’s a sign your fatal risks aren’t being controlled.  

Many safety approaches treat all risks as equal. They attempt to control every hazard, even though not all hazards can lead to SIFs.  

Equally prioritising fatal and non-fatal risk can be lethal. Workers often can’t distinguish between minor hazards and what can kill them, especially if they’re inexperienced or working in an unfamiliar or dynamic environment.  

If workers don’t understand fatal risk, they’re unlikely to consistently and effectively apply the necessary control measures. 

Effective SIF prevention starts by clearly defining all critical risks and making sure every worker knows the critical controls that keep them alive. 

Learn more about identifying fatal risks in our resource Top 10 Fatal Risks in Construction and Utilities: How to Identify and Control the Risks that Kill. 

 

2. Critical controls aren’t standardised  

Without standardisation, critical controls are less likely to be implemented, verified, or monitored effectively.   

As a result, fatal risks can go unchecked through inconsistent or incorrect implementation of controls.   

Standardised critical controls explicitly link each fatal risk to the specific safeguards required to prevent it.  

They reduce reliance on individual interpretation to make sure controls are consistently applied across crews, sites, and conditions.  

To maintain effectiveness, critical controls must also have clearly defined performance standards.  

A Critical Control Performance Standard (CCPS) is a documented set of criteria for each critical control that describes what “effective” looks like. Performance standards also explain how the control can fail and how to check that it’s working. 

When reviewing safety documentation, look for: 

• Controls without defined requirements  

• Different crews use different interpretations 

• No distinction between minor hazards and life-threatening risks 

• No performance standard for how controls are to function 

• No monitoring of whether controls remain effective.  

These warning signs represent critical gaps in your safety management system. 

Fatality prevention requires defined critical controls, measurable performance standards, and ongoing monitoring to ensure controls remain fit for purpose and effective over time.  

 

3. Critical controls aren’t systematically verified in the field 

Documenting critical controls doesn’t prevent SIFs on its own. Critical controls must be verified in the field before starting high-risk work.  

Verification is a non-negotiable step in fatality prevention. It’s a process of confirming that a critical control is in place, working as intended, and used at the time of task execution. It ensures safeguards will do their job in the event of an incident, rather than relying on assumptions. 

Verifications means: 

• Physically checking controls are in place and effective before work begins 

• Confirming controls remain effective throughout a task 

• Stopping work if any control is absent or fails verification.  

On dynamic construction and utilities sites, weather, equipment, and personnel changes can lead to controls drifting or degrading. Whenever tasks or site conditions shift, critical controls should always be reverified to make sure they remain effective.  

Verifications should be structured and repeatable, so they’re conducted the same way, every time, by every worker. 

This not only ensures they’re consistent and reliable but also helps generate meaningful data for leadership to make informed safety decisions. 

 

4. Leaders focus on general safety, not fatal risks

If fatal risk is not regularly discussed, it’s unlikely to be effectively managed. 

Leadership behaviour is critical. When managers and supervisors consistently discuss fatal risks and the importance of implementing and verifying critical controls, SIF prevention becomes a routine part of daily operations.  

Fatal risk can be overlooked if leadership safety talks emphasise: 

• Injury frequency rates 

• Housekeeping 

• Administrative metrics.  

To shift the focus from general safety to preventing SIFs, safety conversations should prioritise the control of fatal risks and supporting stop work authority.  

If a critical control is missing or not working during verification, work must stop until it’s fixed. Leaders play a crucial role in giving workers the confidence to stop unsafe work and speak up when something doesn’t look or feel right. 

Preventing SIFs also relies on leaders recognising and acting on warning signs before an incident occurs. 

 

5. Near misses aren’t investigated for SIF potential 

Recording near misses for compliance without analysing their SIF potential is a warning sign of uncontrolled fatal risk. 

Critical risks can remain unidentified if investigations focus only on incidents, rather than potential outcomes. 

In high-risk environments, near misses are signals of a potential serious injury or fatality (PSIF or SIFp). 

A PSIF is an event or condition that could have resulted in a SIF if circumstances were slightly different. 

Near misses with SIF potential could include: 

• A dropped object that misses a worker 

• An interaction between equipment and people that narrowly avoids impact 

• An uncontrolled release of energy with no injury. 

In high-risk work like construction and utilities, fatal incidents are often preceded by unaddressed near misses or control failures. 

Effective SIF prevention means asking, “If this had gone slightly differently, could someone have died?” 

If the answer is yes, it’s advisable to review your critical controls.

 

A practical approach to preventing fatalities 

If any of the five warning signs above sound familiar, it may be time to take a closer look at how your organisation manages fatal risk. 

Organisations with effective SIF prevention programs consistently do three things: 

• Clearly define all their fatal risks 

• Identify and standardise critical controls 

• Verify controls are in place and working before exposure to fatal risk. 

Without these measures, critical risk remains uncontrolled even if injury statistics appear to be good. 

To help organisations in the construction and utilities sectors better understand fatal risk, we’ve put together the quick guide Top 10 Fatal Risks in Construction and Utilities: How to Identify and Control the Risks that Kill. 

It outlines the most common fatal risks and how to manage them through Critical Risk Management (CRM), a proven method for preventing serious injuries and fatalities on high-risk work sites. 

References 

Hallowell, M., Quashne, M., Salas, R., MacLean, B., & Quinn, E. (2021). The statistical invalidity of TRIR as a measure of safety performance. Professional Safety, 66(4), 28–34.