| Standard | Hazard | Duration (min) |
|---|---|---|
| EN 12845 | LH | 30 |
| EN 12845 | OH (all) | 60 |
| EN 12845 | HHP / HHS | 90 |
| NFPA 13 | Light | 30 |
| NFPA 13 | Ordinary | 60 |
| NFPA 13 | Extra / Storage | 90 |
| NFPA 13 | ESFR storage | 60 |
Source
EN 12845:2015 §9.2; NFPA 13 (2022) Table 19.3.3.1.1.
Cite this page
- APA
- FireTwin AI (2026). Required water-supply duration by hazard. FireTwin AI. https://firetwin.eu/data/water-supply-duration
- IEEE
- FireTwin AI, "Required water-supply duration by hazard," FireTwin AI, 2026. [Online]. Available: https://firetwin.eu/data/water-supply-duration