An accidental hit to a buried line — gas, electric, telecom, or water — during excavation or drilling. Subcontractors are typically liable for damages, work stoppages, and injuries if proper locates weren't completed. Always confirm valid BC One Call or Alberta One-Call tickets before breaking ground.
Underground Utility Strike
Related Terms
Osha 1926 Subpart P
ComplianceThe U.S. federal standard governing excavation and trenching safety on construction sites. Subcontractors must comply with shoring, sloping, and protective system requirements before workers enter any excavation. Non-compliance can result in stop-work orders, fines, and loss of site access.
AER (Alberta Energy Regulator)
ComplianceAlberta's provincial body that regulates oil, gas, and coal development. Subcontractors must meet AER compliance requirements to work on regulated sites. Non-compliance can result in work stoppages or contract disqualification.
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.
Federal Impact Assessment
ComplianceA government review process evaluating environmental and social effects of major projects under the Impact Assessment Act. Subcontractors may face delayed mobilisation or scope changes while projects await federal approval. Understanding timelines helps field crews plan resources and avoid costly standby situations.
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.
NRC (Nuclear Regulatory Commission)
ComplianceA U.S. federal agency that regulates civilian nuclear facilities and materials. Subcontractors working near nuclear sites must meet strict NRC access and safety requirements. Non-compliance can result in immediate removal from site.
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