The process of identifying and marking underground utilities before excavation begins. Subcontractors are often required to confirm locates are valid before breaking ground. Failure to comply can result in strikes, liability, and work stoppages.
Utility Locating
Related Terms
TRC (Texas Railroad Commission)
ComplianceThe TRC regulates oil, gas, and pipeline operations in Texas. Subcontractors must meet TRC requirements for permits, well operations, and environmental compliance. Non-compliance can halt work and affect contractor eligibility on job sites.
TDG (Transportation of Dangerous Goods)
ComplianceFederal Canadian regulations governing how hazardous materials are transported by road, rail, or air. Subcontractors hauling fuels, chemicals, or compressed gases must carry proper documentation and placards. Non-compliance can result in fines, work stoppages, or loss of site access.
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.
Venting
ComplianceThe controlled release of gases from pipelines, vessels, or equipment during maintenance, commissioning, or decommissioning work. Subcontractors must follow site-specific venting procedures to remain compliant with environmental and safety regulations. Improper venting can result in work stoppages, fines, or removal from site.
Tier 2 Diesel Engine
ComplianceA diesel engine meeting EPA (Environmental Protection Agency) Tier 2 emissions standards, regulating nitrogen oxide and particulate output. Many job sites and municipalities restrict or ban Tier 2 equipment in favour of cleaner Tier 4 units. Subcontractors should verify equipment tier requirements before mobilising to avoid costly compliance issues or equipment swaps.
Stop-Before-Strike
ComplianceA mandatory work pause requiring crews to verify no buried utilities or underground hazards exist before digging or drilling begins. Subcontractors are typically contractually responsible for completing all locates and documented checks before breaking ground. Failure to comply can void insurance coverage and expose your company to full liability for strikes.
Latest Compliance News
Utility Locating Terms Trenchless Subs Need to Know Before Breaking Ground
Trenchless Technology breaks down key utility locating concepts, including the critical difference between public and private utilities, that every small-diameter contractor should understand before starting work.
21 hours ago ComplianceBrampton Construction Fatality Puts Excavation Safety Back in the Spotlight
A worker died Monday after falling into a construction hole in Brampton, Ontario, prompting a Ministry of Labour investigation and renewed scrutiny of excavation guarding on job sites.
yesterday ComplianceTelehandler Balcony Unloading Turns Fatal After Temporary Guardrail Fails Structural Test
A 27-year-old laborer died after falling through an undersized temporary guardrail on an apartment complex balcony. A Washington State FACE report details the installation failures that led to the fatality.
yesterday ComplianceOSHA's Proposed Heat Rule Puts Year-Round Compliance Pressure on Field Employers
With extreme heat documented across 41 states and heatwaves occurring at twice the frequency seen in the 1960s, OSHA's proposed heat stress rule is shifting employer expectations from awareness to structured, enforceable action.
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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.
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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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