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ComplianceGlossary Term

Heat Index

A measure combining air temperature and humidity to reflect how hot conditions actually feel to workers. Subcontractors use it to assess heat stress risk and trigger mandatory rest breaks or work stoppages. Most site safety plans reference heat index thresholds to stay compliant with occupational health regulations.

Related Terms

Performance Bond

Compliance

A surety bond guaranteeing a subcontractor will complete work per contract terms. If you default, the bond compensates the prime contractor or owner. Bonding capacity directly affects your ability to bid larger contracts.

Psychological Safety

Compliance

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.

Call 811

Compliance

North American one-call notification service subcontractors must contact before excavation to have underground utilities located and marked. Skipping this step can cause utility strikes, project shutdowns, and personal liability for damages. Most jurisdictions require proof of notification before digging permits are issued.

Exposing Employer

Compliance

The company that directly exposes workers to a hazard on a multi-employer worksite, such as a subcontractor whose crew creates a fall risk. Under Canadian OHS regulations, the exposing employer holds primary responsibility for controlling that hazard. Subcontractors must understand this designation, as it determines who is liable for corrective action.

Utility Locate

Compliance

A pre-dig service that identifies and marks underground utilities before excavation begins. Subcontractors are typically required to obtain a locate before breaking ground. Failure to do so can result in liability for damages, project shutdowns, or regulatory fines.

Methane Emissions Rule

Compliance

A federal or provincial regulation requiring oil and gas operators to detect and reduce methane leaks from equipment and facilities. Subcontractors performing work on wellsites, pipelines, or processing equipment may need to meet specific leak detection and repair (LDAR) standards. Non-compliance can result in fines or disqualification from operator contracts.

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