A formal process for documenting and approving any deviation from original scope, equipment, or procedures on a worksite. Subcontractors must follow the prime contractor's MOC process before making field changes. Skipping this step can void your contract or expose your crew to liability.
Compliance Glossary Term
Management of Change
Related Terms
Davis-Bacon Prevailing Wage
ComplianceA U.S. federal law requiring subcontractors on government-funded construction projects to pay workers the locally established minimum wage and benefits. Rates vary by trade, location, and job classification. Subcontractors must track and document compliance carefully or risk contract penalties.
RT (Radiographic Testing)
ComplianceA non-destructive inspection method using X-rays or gamma rays to detect internal flaws in welds and pipework. Subcontractors must ensure certified RT technicians and proper radiation safety protocols are in place. Clients often require RT sign-off before authorising pressure testing or commissioning work.
EVI (External Visual Inspection)
ComplianceA documented check of equipment or structures for visible damage, corrosion, or defects — completed without disassembly. Subcontractors are often required to perform or witness EVIs before mobilising equipment on site. Results are typically recorded on inspection forms tied to client or regulatory compliance packages.
Api Rp 585 (american Petroleum Institute Recommended Practice 585)
ComplianceA standard governing process safety incident investigation in upstream oil and gas operations. Subcontractors may be required to follow its protocols when involved in a reportable incident on site. Familiarity with it helps field crews meet operator expectations during investigations.
TRC (Texas Railroad Commission)
ComplianceThe TRC regulates oil, gas, and pipeline operations in Texas. Subcontractors must meet TRC requirements for permits, well operations, and environmental compliance. Non-compliance can halt work and affect contractor eligibility on job sites.
Customs Broker
ComplianceA licensed intermediary who handles import and export paperwork for equipment and materials crossing international borders. Subcontractors moving tools or machinery into Canada or the U.S. often hire one to avoid costly delays. They ensure duties, tariffs, and compliance documents are filed correctly.
Latest Compliance News
Compliance
OSHA Orders Railroad to Pay Back Wages After Worker Suspended for Reporting Safety Incident
OSHA found Canadian Pacific Kansas City violated federal whistleblower protections after suspending a union chairman who reported a train collision to federal regulators. Field service employers take note.
yesterday ComplianceTwo-Thirds of Organizations Struggle With PPE Compliance, 2026 Study Finds
A new study from ISEA and J. J. Keller finds that compliance, comfort, and safety culture remain the top challenges facing PPE programs, with more than two-thirds of organizations unable to get workers to consistently wear required equipment.
yesterday ComplianceDOT Confirms Marijuana Ban Stands for Safety-Sensitive Workers Despite Federal Rescheduling
The Department of Transportation reaffirmed its zero-tolerance marijuana policy for safety-sensitive transportation workers following the DEA's reclassification of marijuana as a Schedule III substance. Medical marijuana cards and physician recommendations do not override DOT drug testing rules.
2 days ago ComplianceCircadian Science Can Reduce Fatigue Risk for Rig Shift Workers, Expert Says
A sleep scientist speaking at the 2026 IADC Drilling Onshore Conference outlined how drilling operators can apply circadian science to reduce safety incidents linked to chronic sleep debt in shift workers.
4 days agoRelated Guides
Compliance Guide
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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