A formal system for isolating and de-energising equipment before maintenance or repair work begins. For subcontractors, this typically means following a client's lockout/tagout (LOTO) programme on site. Non-compliance can result in work stoppages, contract termination, or serious injury.
Hazardous Energy Control
Related Terms
MI (Mechanical Integrity)
ComplianceA regulatory and operational standard confirming that pressure-containing equipment is fit for service and free from defects. Subcontractors working on vessels, pipelines, or wellheads must often meet MI requirements before commencing work. Non-compliance can halt operations and trigger liability for field service crews.
Sanctions Compliance
ComplianceThe process of ensuring your company does not do business with individuals, entities, or countries under government-imposed trade restrictions. Subcontractors must screen clients, vendors, and partners against sanctions lists before signing contracts. Non-compliance can result in heavy fines, contract termination, or criminal liability.
Greenhouse Gas Inventory
ComplianceA documented record of all GHG (Greenhouse Gas) emissions generated by your operations, including equipment, vehicles, and fuel use. Prime contractors increasingly require subcontractors to submit one for project bids. Accurate tracking helps avoid compliance penalties and supports contract eligibility.
API (American Petroleum Institute)
ComplianceThe leading industry organisation that develops technical standards, safety protocols, and equipment specifications that subcontractors must follow when working on oil and gas projects. API certifications and compliance with API standards are often mandatory requirements in service contracts and can affect your ability to bid on projects.
C3pao (cmmc Third-Party Assessment Organisation)
ComplianceAn accredited body that audits and certifies subcontractors under the U.S. Cybersecurity Maturity Model Certification programme. If you handle U.S. defence-related contracts, a C3PAO must verify your cybersecurity practices before you can bid. Without this certification, you may be disqualified from certain federal supply chain work.
Well Barrier
ComplianceA physical or mechanical system that prevents uncontrolled flow of fluids from a wellbore. Subcontractors working on or near wells must verify barriers are in place before starting work. Barrier failures can trigger stop-work obligations and regulatory reporting requirements.
Latest Compliance News
Canada's Building Trades Unions Push for Unified Safety Training Standards Nationwide
Canada's Building Trades Unions are pressing labour ministers to harmonize construction safety training across provinces, with a review deadline set for Fall 2026. Fragmented provincial systems are costing contractors time and money.
20 hours ago ComplianceOSHA Dallas Region Administrator Talks Fall Protection, Lockout/Tagout, and Enforcement Direction
OSHA's Eric Harbin, administrator of the Dallas Region, discussed fall protection failures, lockout/tagout compliance, and the agency's current enforcement posture in a new interview with Safety+Health Magazine.
4 days ago CompliancePHMSA Schedules Three Public Prep Sessions Ahead of International Dangerous Goods Meetings
The Pipeline and Hazardous Materials Safety Administration is hosting public prep sessions before key international meetings on dangerous goods transport regulations. Subcontractors handling hazardous materials should track any rule changes that could affect compliance requirements.
4 days ago ComplianceYour Newest Hire Is Your Highest-Risk Worker: Closing the First-30-Days Safety Gap
New workers account for a disproportionate share of workplace fatalities, with 47% of new-hire injuries occurring in the first 30 days. Here's what the data says and what subcontractors should do about it.
4 days agoRelated Guides
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.
Compliance GuideOSHA 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.
Compliance GuideHow 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.
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