Belgium Code du bien-être au travail — WBGT Heat Stress Thresholds — Heat Stress Work/Rest Limits

Belgium Code du bien-être au travail WBGT-based maximum ceilings by workload. Exceedance at any level triggers mandatory technical and organisational controls including ventilation improvements and free refreshing drinks.

Open Belgium Code du bien-être au travail — WBGT Heat Stress Thresholds in the interactive Guidance Wiki →

Authority: SPF Emploi, Travail et Concertation sociale (Belgium)
Jurisdiction: Belgium
Legal status: Regulation
Rule type: Schedule Engine
Standard ID: HGC-062

Governing formula

No standalone formula is published for this standard; see programmable logic and parameters below.

Work/rest limits

WBGT (°C)	Light 180 W	Moderate 300 W	Heavy 415 W	Very heavy 520 W
24	60 / 0 min work/rest per hr	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr
25	60 / 0 min work/rest per hr	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr
26	60 / 0 min work/rest per hr	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr
27	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work
28	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work
29	60 / 0 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work
30	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work
31	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work	Stop work
32	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work	Stop work
33	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work	Stop work
34	30 / 30 min work/rest per hr	30 / 30 min work/rest per hr	Stop work	Stop work
35	30 / 30 min work/rest per hr	Stop work	Stop work	Stop work
36	30 / 30 min work/rest per hr	Stop work	Stop work	Stop work

This standard's declared inputs do not include acclimatization status, so results do not vary by it.

Inputs

Required inputs: wbgtC, workload

Optional inputs: none

Sources

🇧🇪 Belgium Code du bien-être au travail — WBGT thermal stress thresholds — SPF Emploi, Travail et Concertation sociale (Belgium) (official)

Update history

2026-05-22 · Added to the calculator
This standard was added to the calculator.