Design parameters
| Standard | NFPA 13 |
| Hazard class | Extra Hazard Group 2 |
| Design density | 0.40 gpm/ft² over 2500 ft² |
| Area of operation | 232 m² |
Design notes
- ESFR design pressure typically 50 psi (3.5 bar) at the head
- Clear flue spaces between racks per NFPA 13 §17.2
- 12 most-remote heads operating in design calculation
- Yard hydrants 1500 gpm minimum
Typical equipment
- ESFR K360 sprinklers
- DN200 wet alarm valve
- Diesel + electric pump set 1500 gpm
- Yard hydrants 100 m spacing
How FireTwin AI handles logistics / distribution centre projects
Upload your floor plan or model the building footprint directly. FireTwin AI classifies rooms, applies the NFPA 13 Extra Hazard Group 2 grid, runs the hydraulic calculation from the most remote area back to the pump, and produces a priced BOM — all re-verified on every edit.