A 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.
MI (Mechanical Integrity)
Related Terms
Api 653
ComplianceAPI 653 (American Petroleum Institute Standard 653) governs the inspection, repair, alteration, and reconstruction of above-ground storage tanks. Subcontractors performing tank work must comply with this standard or risk failed inspections and contract penalties. Many operators require certified API 653 inspectors on-site before authorising any tank maintenance scope.
Foreign-Flagged Vessel
ComplianceA marine vessel registered under another country's flag rather than the nation where it operates. Subcontractors must verify compliance with cabotage laws, as restrictions may limit which vessels can legally perform local work. This affects equipment mobilisation planning and contract eligibility on offshore projects.
Industrial Carbon Tax
ComplianceA federal levy charged to large industrial facilities based on their greenhouse gas emissions. As a subcontractor, your clients may pass these costs down through contract terms or fuel surcharges. Review your agreements closely to understand who bears this liability.
Suspension Trauma
ComplianceA medical emergency caused by hanging motionless in a harness, restricting blood flow and leading to unconsciousness or death. Subcontractors working at height must plan for rapid rescue — OSHA and provincial regulations require it. Train crews to recognise symptoms and never leave a suspended worker unattended.
Serious Citation
ComplianceA regulatory violation notice issued when an inspector finds a condition likely to cause serious injury or death. For subcontractors, it typically triggers fines, mandatory corrective action, and potential work stoppage. These citations can affect prequalification standing and future contract eligibility.
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.
Latest Compliance News
Canada Signs Deal to Pipe 1 Million Barrels Daily to Asia, Triggering Major Infrastructure Push
Prime Minister Mark Carney and Alberta Premier Danielle Smith have signed a pipeline agreement to move over 1 million barrels of Canadian oil per day to the Pacific coast for export to Asian markets, signaling a major construction wave for Western Canadian pipeline contractors.
yesterday ComplianceConstruction Workers Miss Average 114 Days After Injury, Travelers Report Finds
A new Travelers Cos. report analyzing 1.2 million workers' comp claims finds workplace injuries are growing more complex and taking longer to heal, with construction workers missing the most time of any industry studied.
11 days 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.
23 days ago ComplianceCSB Investigates Fatal Chemical Release at West Virginia Refining Facility
The U.S. Chemical Safety and Hazard Investigation Board has opened an investigation into a fatal hydrogen sulfide release at a West Virginia catalyst refining facility that killed two workers and injured more than 30 others.
26 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.
Cash Flow GuideWhat Happens to Subcontractor Billing When a Project Stalls, Goes Over Budget, or Never Gets Commissioned
You did the work. The project was cancelled, shelved, or never activated. Here is what subcontractors need to know about billing rights, legal remedies, and how to get paid when no one wants to discuss the invoice.
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.
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