Sif-P (serious Injury and Fatality Potential)

A work environment where crew members feel safe to report hazards, mistakes, or concerns without fear of punishment or ridicule. For subcontractors, it reduces incident rates and improves site communication. Crews with high psychological safety are more likely to flag near-misses before they escalate.

The process of locating and marking buried utilities before any ground-breaking work begins. Subcontractors are legally required to call before you dig under provincial one-call regulations. Failure to comply can result in fines, project shutdowns, and liability for repair costs.

The restricted, secured zone of an airport beyond passenger screening. Subcontractors working airside — such as fuelling crews or ground maintenance teams — must hold valid airside passes and follow strict security protocols. Access is tightly controlled and non-compliance can result in immediate removal from site.

A safety classification used by operators to track incidents resulting in death or life-altering harm. Subcontractors are often scored on SIF exposure and near-miss rates during prequalification. A high SIF risk profile can disqualify your company from site access or contract awards.

A legal principle that assigns fault percentages to each party involved in an incident or loss. If a subcontractor is found partially at fault, their compensation can be reduced by their share of blame. Understanding this protects subcontractors from absorbing disproportionate liability on shared job sites.

The sudden collapse of excavation walls or trench sides onto workers below. Under provincial OHS regulations, subcontractors must implement protective systems before personnel enter any excavation deeper than 1.2 metres. Failure to comply can result in work stoppages, fines, and serious liability exposure.

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