Huh, that seems a hair low...
and 32.5C [90.5°F] for low-intensity jobs
The union said employers should take steps to cool down workplaces once temperatures exceed 24C [75.2°F], with workers able to stop working if temperatures reach 30C [86°F], or 27C [80.6°F] for those doing manual labour or working outdoors.
Ah yep, this seems well thought out. I would pass it as-is. Though WBGT would be even better since it takes into account direct sunlight, wind, and humidity.