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Tool · EN 12845

Hazard class quiz

Pick the closest answer for each question. We'll suggest a starting EN 12845 hazard class — confirm with a qualified designer.

1. Primary building use
2. Ceiling height
3. Combustible fire load
4. Storage height
5. Occupant density
6. Hot processes / open flames?
7. Ceiling construction
8. Number of stories

Answer all questions to see the suggested class.

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