Any task performed at an elevation where a fall could cause injury, typically above 3 metres. Subcontractors must hold valid Working at Heights certification and comply with provincial OH&S regulations. Clients often require proof of training before allowing workers on site.
Working At Heights
Related Terms
Walkaround Inspection
ComplianceA pre-shift visual check of equipment, vehicles, or a worksite to identify hazards, damage, or defects before work begins. Subcontractors are typically required to document findings using a checklist. Incomplete or skipped inspections can create liability exposure and violate site safety requirements.
Federal Lease
ComplianceA government-issued agreement granting a company the right to explore or extract resources on federally managed land. Subcontractors working on these sites must meet stricter regulatory and documentation requirements. Expect additional compliance checks, environmental controls, and reporting obligations on federally leased projects.
29 Cfr 1926 Subpart U
ComplianceThe U.S. federal OSHA standard governing blasting and use of explosives on construction sites. Subcontractors performing demolition, excavation, or site prep must comply when explosives are involved. Non-compliance risks stop-work orders, fines, and contract termination.
Flaring
ComplianceThe controlled burning of excess natural gas at a wellsite or facility. Subcontractors working on-site must follow strict flaring protocols, as ignition hazards affect work permits and safety zones. Flaring activity can also trigger regulatory hold points that delay field operations.
PPE (Personal Protective Equipment)
ComplianceProtective gear — such as hard hats, steel-toed boots, high-visibility vests, gloves, and eye protection — that subcontractors and their crews are required to wear on oil & gas and construction sites to meet site-specific safety standards and regulatory obligations. As a subcontractor, ensuring your workers arrive on-site with proper, compliant PPE is typically your responsibility and a condition of maintaining your contract.
Venting
ComplianceThe controlled release of gases from pipelines, vessels, or equipment during maintenance, commissioning, or decommissioning work. Subcontractors must follow site-specific venting procedures to remain compliant with environmental and safety regulations. Improper venting can result in work stoppages, fines, or removal from site.
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