Surface Impoundment

Any motorised vehicle used to move materials on a worksite, including forklifts, telehandlers, and order pickers. Subcontractors must ensure operators hold valid PIT certifications before deployment. Site clients often audit compliance records, so keep training documentation current and accessible.

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.

A designation for positions where impairment could directly cause injury, death, or environmental harm. Common examples include equipment operators, riggers, and drivers. Workers in these roles are typically subject to mandatory drug and alcohol testing under client and regulatory requirements.

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.

A PFAS (Personal Fall Arrest System) is safety equipment that stops a worker from hitting the ground during a fall. It typically includes a full-body harness, lanyard, and anchor point. Subcontractors must ensure PFAS equipment is inspected, certified, and meets provincial and federal regulations before workers go at height.

Scope 1 covers direct emissions from equipment and vehicles your company owns or operates, such as diesel generators and fleet trucks. Scope 2 covers indirect emissions from purchased electricity used at your facilities or job sites. Prime contractors increasingly require subcontractors to track and report both when bidding on ESG-conscious projects.

When a Jobsite Incident Happens: What Field Workers Need to Know Before Signing Anything

What to do after a jobsite injury or incident, what your rights are before signing incident reports, how workers' compensation works, and how to protect yourself on multi-employer worksites.

OSHA Citations on Multi-Employer Worksites: What Subcontractors Need to Know

Learn how OSHA's multi-employer citation policy works, why subcontractors get cited for hazards they didn't create, and how to protect your company on operator-controlled job sites.

How to Read and Negotiate an Oilfield Master Service Agreement (MSA): A Subcontractor's Guide

Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.