SDS (Safety Data Sheet)

Inspection methods used to evaluate welds, pipelines, and structures without damaging them. Common NDT techniques include ultrasonic, radiographic, and magnetic particle testing. Subcontractors often need certified NDT technicians on crew to meet client and regulatory requirements.

API 653 (American Petroleum Institute Standard 653) governs the inspection, repair, alteration, and reconstruction of above-ground storage tanks. Subcontractors performing tank work must comply with this standard or risk failed inspections and contract penalties. Many operators require certified API 653 inspectors on-site before authorising any tank maintenance scope.

A provincial regulatory body that oversees public utilities and energy services in its jurisdiction. Subcontractors working on regulated utility projects must ensure their work meets PSC standards and approvals. Non-compliance can delay project sign-off and affect payment milestones.

A contained, lined pit or pond used to collect, store, or treat liquid waste on a work site. Subcontractors working near these structures must follow strict handling and access protocols. Improper interaction with surface impoundments can trigger environmental compliance violations and halt operations.

A range of conditions caused by overexposure to heat, from heat cramps and exhaustion to life-threatening heat stroke. Subcontractors working outdoor or industrial sites must monitor crew members and follow site heat stress protocols. Failing to manage heat illness risks can trigger regulatory violations and project shutdowns.

A court order that immediately halts a specific action, such as work stoppage disputes or lien enforcement, pending a full hearing. Subcontractors may face a TRO if a general contractor seeks to block liens or contract terminations. It is a short-term legal tool, typically lasting days, until a judge rules further.

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.