Facility Permit

A formal approval process required before altering scope, personnel, equipment, or procedures on a worksite. Subcontractors must submit MOC requests to the operator before making any unplanned changes. Skipping this step can result in work stoppages, liability exposure, or contract penalties.

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.

A measure combining air temperature and humidity to reflect how hot conditions actually feel to workers. Subcontractors use it to assess heat stress risk and trigger mandatory rest breaks or work stoppages. Most site safety plans reference heat index thresholds to stay compliant with occupational health regulations.

An independent inspector or agent hired by an operator or owner to verify that field work meets contract specifications. They are not your direct client but hold authority to approve, reject, or halt work on site. As a subcontractor, their sign-off is often required before progress billing is accepted.

An inspection code governing the maintenance and repair of in-service pressure vessels. Subcontractors performing vessel work must often comply with API 510 requirements and use certified inspectors. Non-compliance can result in work stoppages or contract disqualification.

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.

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.