A method used to protect workers from cave-ins during excavation work, including sloping, shoring, or trench boxes. Subcontractors are legally required to implement an adequate protective system before workers enter any trench deeper than 1.2 metres. Failure to comply can result in stop-work orders, fines, or loss of contract.
Protective System
Related Terms
After-Action Report
ComplianceA structured document completed after a job or incident, summarising what went wrong, what worked, and lessons learned. Subcontractors use it to improve future performance and satisfy client or regulatory requirements. It can also support insurance claims or dispute resolution.
Wetland Delineation
ComplianceA regulatory survey that identifies and maps wetland boundaries on or near a project site. Subcontractors must respect these boundaries during ground disturbance, trenching, or equipment staging. Work within delineated areas typically requires additional permits and can trigger project delays.
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.
Approved Vendor List
ComplianceA client- or prime contractor-maintained registry of pre-qualified suppliers and subcontractors eligible to bid on work. Getting onto an AVL often requires submitting safety records, insurance, and certifications in advance. Without AVL status, subcontractors are typically blocked from receiving purchase orders or contracts.
Methane Regulations
ComplianceFederal and provincial rules limiting methane emissions from oil and gas operations. Subcontractors must ensure equipment like compressors and pneumatic devices meets leak detection and repair standards. Non-compliance can result in work stoppages or contract termination.
TRC (Texas Railroad Commission)
ComplianceThe TRC regulates oil, gas, and pipeline operations in Texas. Subcontractors must meet TRC requirements for permits, well operations, and environmental compliance. Non-compliance can halt work and affect contractor eligibility on job sites.
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