Dot (department of Transportation) Drug and Alcohol Policy

Testing method used to inspect welds, pipes, and structures for defects without damaging the material. Subcontractors performing NDE must hold recognised certifications such as CGSB or ASNT. Clients often require NDE sign-off before authorising progress payments or work acceptance.

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.

An international standard for identifying and communicating chemical hazards through standardised labels and Safety Data Sheets (SDS). Subcontractors must ensure all hazardous products on site are GHS-compliant and that workers are trained to read labels and SDS documents. Non-compliance can result in site removal or regulatory fines.

A numerical score calculated by insurers that compares your company's workplace injury claims to industry averages. A score below 1.0 indicates a safer-than-average record; above 1.0 signals higher risk. Many prime contractors and operators require subcontractors to maintain a low EMR to qualify for bid lists.

Documentation that can withstand scrutiny from a client, regulator, or auditor without requiring additional explanation. For subcontractors, this means timesheets, invoices, and safety records are complete, dated, and traceable. Gaps or inconsistencies in paperwork can trigger payment disputes or compliance penalties.

A blasting technique where explosives are loaded starting from the back of the borehole toward the opening. This reduces the risk of premature detonation during charging operations. Subcontractors must follow site-specific protocols, as improper loading sequences can trigger serious safety violations.

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.