A system that controls airflow in enclosed underground worksites to remove hazardous gases, dust, and fumes. Subcontractors must verify ventilation meets regulatory standards before crews enter. Inadequate ventilation can trigger work stoppages and liability for prime contractors.
Tunnel Ventilation
Related Terms
Fall Protection Program
ComplianceA documented safety plan required when workers are exposed to fall hazards above 3 metres. It outlines equipment requirements, inspection procedures, and worker training obligations. Subcontractors are typically responsible for maintaining their own compliant program on site.
Energy Control Program
ComplianceA documented system requiring subcontractors to isolate and de-energise equipment before maintenance or service work begins. It defines lockout/tagout procedures, worker responsibilities, and verification steps. Prime contractors often audit subcontractor programs before awarding site access.
Pre-Task Plan
ComplianceA written safety review completed by crew members before starting a job task on site. It identifies hazards, required controls, and who is responsible for each step. Subcontractors are often required to submit these to the prime contractor before work begins.
FMCSA (Federal Motor Carrier Safety Administration)
ComplianceThe U.S. federal agency regulating commercial trucking and transportation safety. Subcontractors hauling equipment across the border or operating in the U.S. must comply with FMCSA rules. This includes driver logs, vehicle inspections, and carrier registration requirements.
Controlling Employer
ComplianceThe prime contractor or site owner who directs work conditions and sets safety rules on a multi-employer worksite. As a subcontractor, you may still be cited for hazards even if the controlling employer created them. Knowing who holds this role determines your compliance obligations on any jobsite.
High-Energy Hazard
ComplianceAny source of stored or released energy that can cause serious injury or death, such as pressurised systems, suspended loads, or live electrical equipment. Subcontractors must identify these hazards before starting work and follow site-specific isolation procedures. Failure to control high-energy hazards is a leading cause of fatalities in oil and gas and construction environments.
Latest Compliance News
Washington Eyes New Certification Rules for Forklifts Lifting Suspended Loads
Washington's L&I is drafting rule changes clarifying when forklift operators need crane-level certification for suspended loads, following a contractor petition over the state's August 2025 crane rule update.
11 hours agoComplianceOSHA Fines Maine Pulp Mill $794K After Two Workers Die in Gas Release
ISHN reports OSHA hit Woodland Pulp LLC with nearly $800K in penalties after a hydrogen sulfide gas exposure killed two workers and a separate hydrogen peroxide fire followed weeks later at the Baileyville, Maine mill.
2 days agoComplianceFleetPride Hit With 16 Serious Violations After Confined Space Death
OSHA proposed $264,380 in penalties against FleetPride Inc. after a worker asphyxiated inspecting a tanker trailer, citing missing confined space and respiratory protection programs.
3 days agoComplianceTexas Governor Orders Data Center Audit, Freezing 474 GW Interconnection Queue
Gov. Greg Abbott has ordered an audit of all data centers in ERCOT's interconnection queue, prompting the grid operator to delay its Batch Zero review and stall large-load project timelines statewide.
3 days agoRelated Guides
When a Jobsite Incident Happens: What Field Workers Need to Know Before Signing Anything
What to do after a jobsite injury or incident, what your rights are before signing incident reports, how workers' compensation works, and how to protect yourself on multi-employer worksites.
Compliance GuideOSHA Citations on Multi-Employer Worksites: What Subcontractors Need to Know
Learn how OSHA's multi-employer citation policy works, why subcontractors get cited for hazards they didn't create, and how to protect your company on operator-controlled job sites.
Compliance GuideHow to Read and Negotiate an Oilfield Master Service Agreement (MSA): A Subcontractor's Guide
Learn which MSA clauses actually matter for oilfield subcontractors: indemnity, insurance, payment terms, and change orders. Know what you're signing.
Stay sharp on field operations
Industry news and insights, delivered to your inbox.
Subscribe to FieldNews
