The process of shutting down and locking out all energy sources — electrical, hydraulic, pneumatic — before maintenance or service work begins. Subcontractors are typically required to follow the site owner's specific isolation procedures and permit system. Non-compliance can result in immediate removal from site and liability exposure.
Energy Isolation
Related Terms
RIGI (Régimen De Incentivo Para Grandes Inversiones)
ComplianceArgentina's large-investment incentive regime offering tax, customs, and currency stability benefits to qualifying mega-projects over USD $200 million. Subcontractors working under RIGI-registered operators may benefit from faster payment cycles and reduced import duties on equipment. Understanding RIGI status helps field service companies anticipate project timelines and negotiate contract terms.
CWSRF (Clean Water State Revolving Fund)
ComplianceA U.S. federal-state loan programme funding water infrastructure projects like treatment plants and pipelines. Subcontractors often bid on CWSRF-funded work, which carries strict Davis-Bacon wage and compliance requirements. Understanding funding sources helps field crews anticipate reporting obligations and payment timelines.
Reasonable Suspicion
ComplianceA belief, based on observable signs, that a worker may be impaired by drugs or alcohol on site. Supervisors must document specific behaviours before initiating a test. Subcontractors are typically required to have trained supervisors capable of making this determination.
Hydrocarbon-Free Status
ComplianceA formal certification confirming that a vessel, tank, or work area contains no combustible hydrocarbons. Subcontractors typically cannot begin hot work or confined space entry until this status is verified and documented. Operators or third-party inspectors issue the certification, and it must be reconfirmed if conditions change.
Utility Locating
ComplianceThe process of identifying and marking underground utilities before excavation begins. Subcontractors are often required to confirm locates are valid before breaking ground. Failure to comply can result in strikes, liability, and work stoppages.
Firewatch
ComplianceA designated worker assigned to monitor for fire or sparks during and after hot work operations like welding or grinding. Subcontractors are often required to supply certified firewatchers as a condition of their work permit. This role carries direct liability, so confirm scope and duration with the prime contractor before mobilising.
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