The process of controlling dangerous energy sources—electrical, hydraulic, pneumatic, or mechanical—before maintenance or repair work begins. Subcontractors must follow the site owner's lockout/tagout (LOTO) procedures or risk losing site access. Non-compliance can void your contract and trigger serious liability.
Hazardous Energy Isolation
Related Terms
Fall Protection
ComplianceSafety systems and equipment that prevent workers from falling at heights above 3 metres. Subcontractors are responsible for supplying compliant gear and training before mobilising crews to site. Non-compliance can result in stop-work orders and contract liability.
NSSGA (National Stone, Sand & Gravel Association)
ComplianceA U.S. trade association representing aggregate producers and suppliers. Subcontractors working aggregate sites must often meet NSSGA safety and operational standards. Their guidelines influence site rules, equipment specs, and contractor qualification requirements.
Api 580 (american Petroleum Institute Standard 580)
ComplianceA risk-based inspection standard used on oil and gas facilities to prioritise equipment checks by failure likelihood and consequence. Subcontractors may need to align their inspection scopes and documentation to meet API 580 requirements on client sites.
Permit Filings
ComplianceOfficial documentation submitted to regulatory bodies before starting work on a site. Subcontractors may be responsible for obtaining specific trade or activity permits. Delays in filings can halt work and affect project timelines and invoicing.
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.
NEP (National Emphasis Program)
ComplianceA targeted OSHA enforcement initiative focusing inspections on high-hazard industries or specific workplace dangers. Subcontractors in oil and gas or construction may face increased on-site audits under an active NEP. Being caught unprepared can result in citations, stop-work orders, and lost contracts.
Latest Compliance News
$3.5M in OSHA Fines Follow Houston Chemical Spill Cleanup That Left Workers Unprotected
Three companies face over $3.5 million in proposed OSHA penalties after federal inspectors found workers were sent into a million-gallon sulfuric acid spill cleanup without adequate training, respirators, or safety measures at a Houston-area facility.
20 hours ago ComplianceOhio Gas Explosion Triggered by Contractor Strike Destroys Three Homes, Damages 30 More
A contractor struck a natural gas line in Twinsburg Township, Ohio on June 25, 2026, triggering an explosion that destroyed three homes and damaged more than 30 others. The incident is now under investigation by state regulators, with questions over utility marking accuracy at the center of the probe.
20 hours ago ComplianceVirginia Tech Expert Calls for Automating Away Construction Hazards, Not Just Managing Them
A construction school director argues the industry must eliminate dangerous tasks entirely through automation, not rely on PPE and warning systems that can still fail.
20 hours ago ComplianceConfined Space Rescue Plans Have Critical Gaps, Industry Experts Warn
Safety+Health Magazine identifies the most commonly overlooked factors in confined space rescue planning, from over-reliance on local emergency services to skipping non-entry rescue methods and regular drills.
yesterdayRelated 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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