Summer is forecast to bring 44% more extremely hot days than a typical year.
For anyone running building projects, that means more crews working in dangerous conditions, more stopped pours and more arguments about who carries the cost.
New research reported by Insurance Business Australia this month shows how thin the record is. An actuary at Taylor Fry found that heat-related workplace injuries are under-counted in official data by a factor of about 20. Only 0.05% of the two to three million workers' compensation claims reviewed were coded as heat-related. Australia also has no national workplace heat standard, so each business sets its own rules.
That leaves site managers carrying the duty of care without a shared benchmark and without much data behind the call.
Heat does damage in three places at once.
People
Heat illness builds across a shift. A crew that starts well at 7am can be in trouble by midday, and a late warning gives a supervisor little room to change the plan.
Programme
Concrete pours, asphalt, roofing, crane work and anything done at height all get harder or unsafe as temperatures climb. Stop-work calls made on a hunch are hard to defend, and so are calls made too late.
Paper trail
When a delay turns into an extension of time claim, the question is what conditions were actually on site, on which day, and what you did about it. "It was hot" does not carry much weight with a superintendent or a tribunal.
The Bureau of Meteorology's long-term forecast shows nearly the entire country is expected to reach above-average maximum temperatures over summer, heightening the risk of heat-related illness for outdoor workers like construction crews.
EWN's AWARE platform gives site teams heat alerts for their locations, ahead of time, so the decision to adjust the day is made before the shift starts and not after someone is unwell.
Alerts come in two levels. Red means dangerous heat conditions that call for heightened awareness and operational controls. Black means extreme heat with a serious risk to safety and continuity. Each level can trigger the response your own heat plan already describes: earlier start times, rescheduled heavy work, extra breaks and shade, a crew on standby, a pour moved to a cooler day.
The alerts are built around your site, not a postcode, and delivered the way your team already works: dashboard, SMS, email, or straight into your existing systems through an API. Behind them sit Australian meteorologists monitoring conditions around the clock, with nearly 20 years of severe weather forecasting experience.
The benefit for a project manager is simple. You get a clear, early signal and a documented reason for every decision that follows.
Heat is one part of the weather picture on a site. The same approach covers the events that stop work or damage assets:
The result is fewer surprises on site, fewer lost days that could have been planned around, and a better position when a delay needs to be explained.
Summer is weeks away. If your sites do not yet have a documented heat trigger, an alert pathway and a record of conditions, now is the time to set them up.
Book a short demo and we will walk through how AWARE alerts work for your sites and projects.