KOSHA GUIDE W-12-2017 WBGT-based work/rest table. South Korea's current operative legal rule is the 2025 MoEL apparent-temperature standard; this guideline is the WBGT-based schedule alongside it.
Open South Korea KOSHA GUIDE W-12-2017 WBGT Table in the interactive Guidance Wiki →
No standalone formula is published for this standard; see programmable logic and parameters below.
| 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 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr |
| 25 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | 60 / 0 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 | 45 / 15 min work/rest per hr | 30 / 30 min work/rest per hr | 30 / 30 min work/rest per hr |
| 28 | 60 / 0 min work/rest per hr | 45 / 15 min work/rest per hr | 15 / 45 min work/rest per hr | 15 / 45 min work/rest per hr |
| 29 | 60 / 0 min work/rest per hr | 30 / 30 min work/rest per hr | 15 / 45 min work/rest per hr | 15 / 45 min work/rest per hr |
| 30 | 60 / 0 min work/rest per hr | 15 / 45 min work/rest per hr | 15 / 45 min work/rest per hr | 15 / 45 min work/rest per hr |
| 31 | 30 / 30 min work/rest per hr | 15 / 45 min work/rest per hr | Stop work | Stop work |
| 32 | 15 / 45 min work/rest per hr | Stop work | Stop work | Stop work |
| 33 | Stop work | Stop work | Stop work | Stop work |
| 34 | Stop work | Stop work | Stop work | Stop work |
| 35 | Stop work | Stop work | Stop work | Stop work |
| 36 | Stop work | Stop work | Stop work | Stop work |
This standard's declared inputs do not include acclimatization status, so results do not vary by it.
Required inputs: wbgtC, workload
Optional inputs: none