Design parameters
| Standard | NFPA 13 |
| Hazard class | Ordinary Hazard Group 1 |
| Design density | 0.15 gpm/ft² over 1500 ft² |
| Area of operation | 139 m² |
Design notes
- Pre-action double-interlock to prevent accidental discharge
- VESDA aspirating detection in every white-space row
- Inert gas (IG-541 / Novec 1230) for two-hour critical loads
- Sprinkler-free zones above busbar where standards permit
Typical equipment
- Pre-action valve set
- VESDA HSSD
- IG-541 cylinders + selector valves
- Dry-pipe risers in white space
How FireTwin AI handles data center projects
Upload your floor plan or model the building footprint directly. FireTwin AI classifies rooms, applies the NFPA 13 Ordinary Hazard Group 1 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.