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 510 (american Petroleum Institute Standard 510)
ComplianceAn 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.
Facility Permit
ComplianceA site-specific authorisation required before subcontractors can perform work at an owner-operated facility. It outlines approved work scopes, safety conditions, and access restrictions. Failing to secure one before mobilising can result in removal from site or contract penalties.
Civil Liability
ComplianceThe legal obligation to compensate another party for damages or losses caused by your work or negligence. For subcontractors, this typically arises from property damage, personal injury, or contract breaches on a job site. Adequate general liability insurance is your primary protection against civil liability claims.
Stormwater Drainage
ComplianceSystems that redirect rainwater and runoff away from worksites to prevent flooding and erosion. Subcontractors are often responsible for installing and maintaining these systems to meet environmental permit conditions. Failing to manage stormwater properly can result in stop-work orders and project fines.
360-Degree Site Documentation
ComplianceA site capture method using panoramic cameras to record full visual records of a worksite. Subcontractors use it to document pre-existing conditions before mobilising. It protects against liability disputes over damage or incomplete scopes.
ITP (Inspection Test Plan)
ComplianceA document outlining required inspections, tests, and quality checks at specific project milestones. Subcontractors must follow the ITP to prove work meets client and regulatory standards. Hold points in the plan require client sign-off before work can continue.
Latest Compliance News
$3.5M in OSHA Fines Follow Houston Chemical Spill Cleanup That Left Workers Unprotected
Three companies face over $3.5 million in proposed OSHA penalties after federal inspectors found workers were sent into a million-gallon sulfuric acid spill cleanup without adequate training, respirators, or safety measures at a Houston-area facility.
4 days ago ComplianceNIOSH-Validated Silica Filtration System Cuts Respirable Dust by 93% at Mine Sites
NIOSH and Benetech Inc. have developed a retrofittable silica dust filtration system called the Dustinator, which reduced respirable crystalline silica by 93% in testing at mine sites. Subcontractors in mining, excavation, and bulk material handling should take note.
5 days ago ComplianceMSHA Warns Miners: Don't Rely on Smell Alone to Detect Ammonia
The Mine Safety and Health Administration has issued a safety alert reminding miners that ammonia can numb the sense of smell, making industrial hygiene monitoring equipment essential for safe exposure detection.
16 days ago ComplianceFederal Watchdog Says MSHA Unprepared for Simultaneous Mine Emergencies
A Department of Labor inspector general report finds MSHA may lack the preparedness to handle multiple mine emergencies at once, citing outdated guidance, equipment gaps, and training deficiencies across the agency.
24 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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