An inspection code governing the maintenance and repair of in-service pressure vessels. Subcontractors performing vessel work must often comply with API 510 requirements and use certified inspectors. Non-compliance can result in work stoppages or contract disqualification.
ComplianceGlossary Term
Api 510 (american Petroleum Institute Standard 510)
Related Terms
Third-Party Representative
ComplianceAn independent inspector or agent hired by an operator or owner to verify that field work meets contract specifications. They are not your direct client but hold authority to approve, reject, or halt work on site. As a subcontractor, their sign-off is often required before progress billing is accepted.
NAICS (North American Industry Classification System)
ComplianceA standardised code system used to classify businesses by industry type across Canada, the US, and Mexico. Subcontractors use NAICS codes when registering with clients, bidding on contracts, or filing taxes. Your code signals what work you perform and affects vendor qualification and insurance requirements.
Willful Violation
ComplianceA deliberate breach of a safety regulation or worksite rule, where the subcontractor knew the requirement and chose to ignore it. Regulators treat these far more severely than accidental non-compliance. Fines, stop-work orders, or contract termination can follow.
Utility Locate
ComplianceA pre-dig service that identifies and marks underground utilities before excavation begins. Subcontractors are typically required to obtain a locate before breaking ground. Failure to do so can result in liability for damages, project shutdowns, or regulatory fines.
Lead Service Line Replacement
ComplianceA regulated programme to remove and replace lead water pipes connecting mains to buildings. Subcontractors are often mobilised under municipal contracts to perform excavation, pipe removal, and restoration work. Compliance with environmental and safety regulations is mandatory throughout.
Walkaround Inspection
ComplianceA pre-shift visual check of equipment, vehicles, or a worksite to identify hazards, damage, or defects before work begins. Subcontractors are typically required to document findings using a checklist. Incomplete or skipped inspections can create liability exposure and violate site safety requirements.
Latest Compliance News
Compliance
Two Traffic Plans, One Work Zone: Closing the Safety Gap Subcontractors Miss
Construction Executive breaks down why work zone fatalities persist even when signage and cones follow the rules, pointing to a disconnect between public traffic control plans and internal crew/equipment protocols.
2 days agoComplianceNYC Voids 2,000 Safety Cards After Training Provider Fraud Indictment
New York City is invalidating roughly 2,000 construction safety credentials tied to RedCode Inc. after prosecutors indicted the company and two of its principals for allegedly selling training cards without conducting the required courses.
4 days agoComplianceMSHA Alert Pushes Mine Operators to Step Up Impoundment Inspections
MSHA has issued a safety alert calling on mine operators to increase engineering assessments and inspections of impoundments, citing aging infrastructure and heavier precipitation events.
5 days agoComplianceOshawa GO Station Expansion Breaks Ground, Adding Track and Platform Packages
Construction has started on a major expansion of Durham College Oshawa GO Station, adding two tracks, new platforms, and pedestrian bridges to support two-way, all-day GO service, Daily Commercial News reports.
9 days agoRelated Guides
Compliance Guide
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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