Engineered safeguards—such as shoring, shielding, or sloping—used to prevent trench or excavation collapse on job sites. Subcontractors are typically responsible for selecting and installing the correct system based on soil conditions and depth. Non-compliance can result in stop-work orders, fines, or liability for injuries.
Excavation Protective Systems
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.
DOE (Department of Energy)
ComplianceA U.S. federal agency that regulates energy production, sets safety standards, and oversees projects involving nuclear, fossil fuel, and renewable energy. Subcontractors working on DOE-funded or DOE-regulated sites must meet strict compliance and security requirements. Contracts tied to DOE projects often include additional reporting obligations and certified personnel requirements.
CUI (Controlled Unclassified Information)
ComplianceSensitive government or client data that requires protection but is not classified as secret. Subcontractors handling site plans, personnel records, or project specs may be legally required to safeguard CUI. Mishandling it can result in contract termination or regulatory penalties.
Nepa (national Environmental Policy Act) Review
ComplianceA 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.
Barrier Envelope
ComplianceThe defined set of active safety barriers protecting against a specific hazard at any given time. Subcontractors must verify the envelope is intact before starting work. A degraded envelope requires stop-work action and notification to the prime contractor.
Crystalline Silica Rule
ComplianceA regulatory standard requiring subcontractors to limit worker exposure to airborne silica dust on worksites. Common in drilling, sandblasting, and concrete cutting operations. Requires action plans, air monitoring, and respirator programmes for affected crews.
Latest Compliance News
Red Seal $5,000 Completion Bonus Portal Opens Nov. 16
Canadian journeypersons certified in a Red Seal trade on or after April 1, 2025 can apply for a $5,000 federal bonus starting Nov. 16, 2026. Here is what employers should prepare now.
2 days agoComplianceTraffic Exposure Was the Top Hazard on Caltrans LA Tunnel Relighting
On Aldridge Electric's I-405/I-105 tunnel relighting in Los Angeles, traffic breaches drove the safety plan. Here is what electrical and traffic control subs can take from it before bidding live-traffic work.
4 days agoComplianceFinning Fined $155K After 2023 Loader Injury Near Fort McMurray
Finning International pleaded guilty to an Alberta OHS Code count after a worker was struck by a moving loader in 2023. The $155,000 creative sentence funds third-party-site safety training.
5 days agoComplianceMIOSHA Cites MDOT Over Lane Closure in Fatal U.S. 127 Crash
MIOSHA found MDOT failed to close a lane during a rolling pothole repair on U.S. 127 where two road workers died in May. Highway maintenance subs should review their own moving-operation traffic control.
7 days agoRelated Guides
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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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