The rule isn’t done. The enforcement is. In early June, OSHA renewed its National Emphasis Program on heat for another five years, keeping inspectors focused on heat hazards even though the federal heat standard that’s been in the works since 2024 still hasn’t crossed the finish line. The 2026 policy quietly dropped the agency’s internal inspection quota, which some read as a softening. It isn’t. The General Duty Clause still lets OSHA cite a contractor when a worker goes down on a hot deck.
Why heat enforcement hits construction hardest
The numbers explain the focus. Construction employs roughly 6% of American workers and accounts for about 34% of all occupational heat fatalities. That gap is the whole argument. Crews work outdoors, in direct sun, often in gear that traps heat, and the early-season deaths tend to cluster among new or returning workers whose bodies haven’t acclimatized. A first-week laborer in July is the statistical danger case, and “tough it out” is how those cases end badly.
What the proposed heat standard would require
The draft rule OSHA published in 2024 is built around two triggers. At an 80-degree heat index, employers would owe drinking water, shade or break areas, and an acclimatization plan for anyone new to the heat. At 90 degrees, paid rest breaks and active monitoring kick in. The comment period closed in January 2025 and public hearings ran through that summer, but the standard remains stuck in review, which is why the emphasis program matters: it’s the enforcement teeth while the formal rule waits.
For builders, the practical read is simple. Don’t wait for the standard. The June renewal means a heat citation is a live risk this summer regardless of whether the rule ever publishes, and the cheapest compliance, water, shade, and a real acclimatization schedule, costs far less than a fatality investigation. The large outdoor jobsites starting this year are exactly where that math gets tested first.
External reference: TriCore Safety on the 2026 heat policy.