EVI (External Visual Inspection)

The licensed engineer or firm legally responsible for a project's design documents and specifications. Subcontractors must follow their approved drawings exactly — any field changes require written authorisation from the Designer of Record. Deviating without approval can void liability protection and trigger compliance issues.

A U.S. federal law allowing the government to prioritise contracts and redirect materials to national security needs. Subcontractors may face supply chain delays or material shortages when it is invoked. Equipment and parts sourcing timelines can shift significantly with little notice.

Formal approval granted by an oil and gas operator confirming a subcontractor meets their specific safety, training, and insurance standards. Without it, your crews cannot access the operator's sites or perform work. Certification requirements vary by operator and must be renewed regularly.

A pre-shift visual check of equipment, vehicles, or a worksite to identify hazards, damage, or defects before work begins. Subcontractors are typically required to document findings using a checklist. Incomplete or skipped inspections can create liability exposure and violate site safety requirements.

A medical emergency caused by hanging motionless in a harness, restricting blood flow and leading to unconsciousness or death. Subcontractors working at height must plan for rapid rescue — OSHA and provincial regulations require it. Train crews to recognise symptoms and never leave a suspended worker unattended.

A structured risk review that identifies hazards in a process or worksite before operations begin. Subcontractors are often required to participate or submit supporting documentation. Your crew's task-specific risks may be reviewed and built into site safety plans.

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.