Occupational Heat Stress Rules — Brunei

Standards

Standard	Authority	Legal status	Rule type
Brunei SHENA Heat Stress Guidance	Brunei SHENA	Guidance	Schedule Engine

Most protective composite

Reference conditions: moderate work (300 W), acclimatized worker. WBGT values below are illustrative reference points, not a threshold of any single standard.

WBGT (°C)	Most protective result
28	50 / 10 min work/rest per hr (most protective)
31	30 / 30 min work/rest per hr (most protective)
34	Stop work — At least one applicable standard requires stop work or prohibits continued work.

This is the single most protective applicable result at each condition (stop-work override, else minimum work / maximum rest minutes) — standards are never averaged. Contributing standard(s) across these conditions: Brunei SHENA Heat Stress Guidance.

Sources

🇧🇳 Brunei SHENA workplace heat stress precaution notice 2023 — Safety, Health and Environment National Authority (Brunei) (official PDF)
🇧🇳 Brunei SHENA managing heat stress at workplace 2024 — Safety, Health and Environment National Authority (Brunei) (official PDF mirror)