Effluent Limitations Guidelines

A large-scale energy or infrastructure project formally designated by federal or provincial authorities as critical to Canada's economy. These projects often receive expedited permitting, which can accelerate mobilisation timelines for subcontractors. Expect stricter compliance oversight and higher scrutiny on certifications, insurance, and labour practices.

An 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.

Human-caused ground tremors triggered by oilfield operations like hydraulic fracturing or wastewater disposal. Regulators may issue stop-work orders, directly halting your field operations. Subcontractors should track local seismic thresholds, as exceeding them can suspend permits and delay project timelines.

A safety metric tracking work-related injuries that require medical treatment beyond first aid, per 100 full-time workers annually. Subcontractors are often required to report their RIR (Recordable Injury Rate) to prime contractors before being awarded field work. A high RIR can disqualify your company from bidding on projects or getting onto an operator's approved vendor list.

Protective 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.

The leading industry organisation that develops technical standards, safety protocols, and equipment specifications that subcontractors must follow when working on oil and gas projects. API certifications and compliance with API standards are often mandatory requirements in service contracts and can affect your ability to bid on projects.

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