A measure combining air temperature and humidity to reflect how hot conditions actually feel to workers. Subcontractors use it to assess heat stress risk and trigger mandatory rest breaks or work stoppages. Most site safety plans reference heat index thresholds to stay compliant with occupational health regulations.
Heat Index
Related Terms
Performance Bond
ComplianceA surety bond guaranteeing a subcontractor will complete work per contract terms. If you default, the bond compensates the prime contractor or owner. Bonding capacity directly affects your ability to bid larger contracts.
Psychological Safety
ComplianceA work environment where crew members feel safe to report hazards, mistakes, or concerns without fear of punishment or ridicule. For subcontractors, it reduces incident rates and improves site communication. Crews with high psychological safety are more likely to flag near-misses before they escalate.
Call 811
ComplianceNorth American one-call notification service subcontractors must contact before excavation to have underground utilities located and marked. Skipping this step can cause utility strikes, project shutdowns, and personal liability for damages. Most jurisdictions require proof of notification before digging permits are issued.
Exposing Employer
ComplianceThe company that directly exposes workers to a hazard on a multi-employer worksite, such as a subcontractor whose crew creates a fall risk. Under Canadian OHS regulations, the exposing employer holds primary responsibility for controlling that hazard. Subcontractors must understand this designation, as it determines who is liable for corrective action.
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.
Methane Emissions Rule
ComplianceA federal or provincial regulation requiring oil and gas operators to detect and reduce methane leaks from equipment and facilities. Subcontractors performing work on wellsites, pipelines, or processing equipment may need to meet specific leak detection and repair (LDAR) standards. Non-compliance can result in fines or disqualification from operator contracts.
Latest Compliance News
OSHA Extends Heat Emphasis Program Through 2031, Raising Inspection Risk for Outdoor Crews
OSHA has issued an updated National Emphasis Program on heat hazards that runs through 2031, with compliance officers authorized to conduct random inspections of high-risk industries on days when the heat index hits 80 degrees or more.
6 months agoComplianceIRS Waives Penalties for Red-Dyed Diesel on Highways Through Dec. 31
The IRS will not penalize highway use of dyed diesel from Oct. 1 to Dec. 31, 2026. Contractors running off-road fuel in trucks should still check state rules and document fuel purchases.
20 hours agoComplianceSpecialty Trades Cut Injury Rates 32.4% Since 2011-12, CPWR Finds
CPWR's June 2026 data bulletin shows nonfatal injury rates fell 46.9% in heavy and civil, 32.4% in specialty trades and 32.2% in building construction. Safety leads should benchmark against the specialty-trades figure before their next renewal.
20 hours agoComplianceOSHA Targets November Proposal to Revisit Computer-Based LOTO Controls
OSHA lists a lockout/tagout update (RIN 1218-AD00) with a November 2026 target for a proposed rule on computer-based controls. The current 29 CFR 1910.147 requirements still apply.
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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