A U.S. federal environmental assessment required before major project approvals on public lands. Subcontractors may face work delays or scope changes while reviews are completed. Mobilisation schedules should account for potential NEPA-related hold periods.
Nepa (national Environmental Policy Act) Review
Related Terms
Defense Production Act
ComplianceA U.S. federal law allowing the government to prioritise contracts and redirect materials to national security needs. Subcontractors may face supply chain delays or material shortages when it is invoked. Equipment and parts sourcing timelines can shift significantly with little notice.
ELG (Effluent Limitations Guidelines)
ComplianceFederal regulations setting discharge limits for wastewater and pollutants released from industrial worksites. Subcontractors handling fluid waste, drilling muds, or site runoff must meet ELG thresholds or face penalties. Non-compliance can halt operations and void contracts.
Performance Bond
ComplianceA surety bond guaranteeing a subcontractor will complete work per contract terms. If you default, the bond compensates the prime contractor or owner. Bonding capacity directly affects your ability to bid larger contracts.
Carbon Pricing
ComplianceA government-imposed cost on greenhouse gas emissions, typically applied per tonne of CO2 equivalent. Subcontractors may face carbon charges on fuel, equipment operation, and fleet usage. These costs can affect project bids and operating margins if not factored into quotes.
Traffic Control Plan
ComplianceA site-specific document outlining how vehicle and pedestrian movement will be managed safely around a worksite. Subcontractors are often required to submit one before mobilising crews near roads or active facilities. It typically details signage, flagging requirements, and designated haul routes.
DPF (Diesel Particulate Filter)
ComplianceAn emissions control device fitted to diesel-powered equipment that traps soot and particulate matter from exhaust. Subcontractors must ensure DPFs are maintained and operational to meet Tier 4 emissions requirements on regulated job sites. Failing inspections or bypassing filters can result in equipment being pulled from service.
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