MSHA (Mine Safety and Health Administration)

A U.S. trade law allowing tariffs on imported steel and aluminium deemed a national security threat. For subcontractors, it drives up material and equipment costs on cross-border projects. Budget accordingly when pricing jobs involving U.S.-sourced pipe, structural steel, or fabricated components.

OCS (Overhead Contact Systems) are electrified wire networks suspended above roadways or rail lines to power heavy equipment or vehicles. Subcontractors working near OCS must follow strict clearance protocols to avoid contact hazards. Awareness of OCS boundaries is essential for crane operators, rig movers, and elevated work crews.

Legal safeguards preventing retaliation against workers who report safety violations, fraud, or regulatory breaches. Subcontractors and field personnel cannot be fired, demoted, or penalised for reporting misconduct to regulators. Protection applies even when reporting against a prime contractor or client company.

Provincial government body that enforces workplace health, safety, and employment standards on job sites. MOL inspectors can issue stop-work orders, fines, or charges against subcontractors found in violation. Field crews must maintain compliant safety programs and documentation at all times.

Any task that produces open flame, sparks, or heat sufficient to ignite flammable materials. Common examples include welding, cutting, and grinding. Subcontractors typically require a Hot Works permit before starting, and site compliance checks are strict.

A standardised document detailing the hazards, handling requirements, and emergency procedures for a chemical or hazardous material. Subcontractors must keep current SDSs on-site for every controlled product their crew uses or transports. Inspectors and site safety officers can shut down work if SDSs are missing or outdated.

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.