Sweden Arbetsmiljöverket AFS 2023:12 (Kap. 5 §§19–22, Bilaga 1) time-weighted heat index (WBGT). Binding föreskrift. Maximum permitted WBGT by activity class and heat-acclimatization status; the employer must ensure no work is performed once the maximum is exceeded. Table carried forward from the predecessor AFS 1997:2.
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| 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 | 60 / 0 min work/rest per hr | Stop work |
| 27 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | Stop work | Stop work |
| 28 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | Stop work | Stop work |
| 29 | 60 / 0 min work/rest per hr | Stop work | Stop work | Stop work |
| 30 | 60 / 0 min work/rest per hr | Stop work | Stop work | Stop work |
| 31 | Stop work | Stop work | Stop work | Stop work |
| 32 | Stop work | 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 |
| 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 | Stop work | Stop work |
| 25 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | Stop work | Stop work |
| 26 | 60 / 0 min work/rest per hr | 60 / 0 min work/rest per hr | Stop work | Stop work |
| 27 | 60 / 0 min work/rest per hr | Stop work | Stop work | Stop work |
| 28 | 60 / 0 min work/rest per hr | Stop work | Stop work | Stop work |
| 29 | 60 / 0 min work/rest per hr | Stop work | Stop work | Stop work |
| 30 | Stop work | Stop work | Stop work | Stop work |
| 31 | Stop work | Stop work | Stop work | Stop work |
| 32 | Stop work | 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 |
| Parameter | Value |
|---|---|
ceilings |
|
Required inputs: wbgtC, workload
Optional inputs: acclimatization
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Get notified when Sweden AFS 2023:12 — Time-Weighted Heat Index (Work in Intense Heat) changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
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