Federal Highway Authorization

The process of verifying and adjusting flow meters, pressure gauges, and other measurement instruments to ensure accurate readings that meet regulatory and client standards — subcontractors providing metering services must maintain current calibration records as proof of compliance and to avoid liability for measurement disputes or billing discrepancies.

A defined set of steps a subcontractor must complete to meet regulatory, safety, or client requirements before mobilising on a project. This may include certifications, insurance submissions, and safety orientations. Missing steps can delay onboarding or result in disqualification from a contract.

Liquid that has filtered through soil, waste, or contaminated material, picking up pollutants along the way. Subcontractors working near landfills, tailings ponds, or remediation sites must manage and contain it under environmental regulations. Improper handling can trigger compliance violations and costly site shutdowns.

The process of controlling dangerous energy sources—electrical, hydraulic, pneumatic, or mechanical—before maintenance or repair work begins. Subcontractors must follow the site owner's lockout/tagout (LOTO) procedures or risk losing site access. Non-compliance can void your contract and trigger serious liability.

An IDLH condition is any environment that poses an immediate threat to a worker's life or ability to self-rescue. Subcontractors must halt work and evacuate personnel when IDLH levels are detected. Entering an IDLH atmosphere requires supplied-air respirators and a trained standby rescue team.

Engineering controls used to prevent trench or excavation collapse, including shoring, sloping, and trench boxes. Required by regulation on any excavation deeper than 1.2 metres. Subcontractors must have the correct system in place before workers enter.

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.