MI (Mechanical Integrity)

A vetting process where operators assess a subcontractor's safety record, insurance, and certifications before awarding work. Companies must meet minimum standards to be added to an approved vendor list. Failing pre-qualification means being locked out of bidding opportunities entirely.

A written programme subcontractors must have in place to protect workers from heat-related illness on outdoor or high-temperature job sites. It outlines hydration protocols, rest schedules, and emergency response procedures. Many prime contractors require a current HIPP before mobilisation is approved.

A contractual obligation requiring subcontractors to obtain a surety bond guaranteeing project completion or payment to suppliers. General contractors use bonds to protect against default or non-performance. Bonding capacity can limit the size and number of contracts a field service company can bid on.

The discipline focused on preventing uncontrolled releases of hazardous materials or energy that could cause fires, explosions, or toxic events. Subcontractors working near pressurised systems or chemicals must understand site-specific process hazards before starting work. Non-compliance can result in immediate removal from site and liability exposure.

Describes materials, components, or workmanship meeting strict standards for use in nuclear facilities. Subcontractors must hold specific certifications and follow rigorous documentation requirements. Expect intensive quality assurance audits and zero tolerance for deviations.

A U.S. pre-construction air permitting process triggered when new or modified industrial facilities exceed emissions thresholds. Subcontractors working on facility expansions or new builds may face project delays until NSR approval is granted. Understanding NSR timelines helps field crews anticipate mobilisation schedules on affected sites.

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.

What 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.

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.