Divides the room area by the maximum coverage area per sprinkler for the selected hazard class, then rounds up. Real layout may need more heads near walls and obstructions.
Result
- Room area
- 96 m²
- Sprinklers required
- 8
- Approx. square spacing
- 3.46 m
Formula: N = ceil(L × W / A_max)
Reference: EN 12845 / NFPA 13
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