Temporary support structures used to stabilise trenches, excavations, or buildings during construction or repair work. Subcontractors are often required to install shoring before crews can safely enter a dig site. Proper shoring is a regulated safety requirement and failure to comply can result in work stoppages or liability.
Shoring
Related Terms
Agreed Order
ComplianceA court-approved settlement between parties that resolves a dispute without a full trial. For subcontractors, it often governs payment terms, lien releases, or compliance obligations. Both sides must follow its terms or face legal consequences.
IEEPA (International Emergency Economic Powers Act)
ComplianceA U.S. federal law that grants the president broad authority to regulate or block international trade and financial transactions during a declared national emergency, which can directly affect subcontractors by triggering sudden tariffs on imported equipment and materials, disrupting cross-border project timelines, or restricting payments to and from American clients and primes. Field service companies working on U.S.-linked contracts or sourcing materials from affected countries should monitor IEEPA-related executive orders closely, as cost structures and contract terms can shift with little notice.
PSM (Process Safety Management)
ComplianceA regulatory framework governing hazardous process facilities like refineries and gas plants. Subcontractors working on-site must comply with the operator's PSM programme, including hazard reviews and safe work permits. Non-compliance can result in immediate removal from site.
Sloping (excavation)
ComplianceA trench safety method where excavation walls are cut at a gradual angle to prevent collapse. Subcontractors must apply correct slope ratios based on soil type and provincial regulations. Non-compliance can halt work and trigger serious liability.
Exclusion Zone
ComplianceA clearly marked area on a worksite where only authorised personnel are permitted to enter. Subcontractors must identify and respect these boundaries before mobilising crews or equipment. Violations can result in stop-work orders, fines, or removal from site.
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
CSB Investigates Fatal Chemical Release at West Virginia Refining Facility
The U.S. Chemical Safety and Hazard Investigation Board has opened an investigation into a fatal hydrogen sulfide release at a West Virginia catalyst refining facility that killed two workers and injured more than 30 others.
22 hours ago ComplianceTwo Fatal Collapses at Violation-Heavy West Virginia Mines Signal Compounding Liability Risk
Two West Virginia coal miners died in separate accidents within 24 hours in early April 2026, both at mines with documented histories of dozens of safety violations. Here's what field contractors working near mining and heavy excavation sites need to know.
22 hours ago ComplianceH&P Retrofits 50 Engines With Dual-Fuel System, Cutting Diesel Use by Up to 85%
Helmerich & Payne has deployed Caterpillar's DGB Gen 2 Kit across 12 FlexRig rigs, displacing up to 85% of diesel with natural gas at a fraction of the cost of new engine replacement. Here's what it means for drilling subcontractors.
2 days ago ComplianceNew Excavator System Automatically Stops Bucket Before Hitting Buried Utilities
Xwatch Safety Solutions and RodRadar have partnered to create what they call the industry's first safety-grade system that physically halts excavator bucket movement the moment underground utilities are detected.
2 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.
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