Fire Department Connection Sizing

Size fire department connections (FDC) for standpipe and sprinkler systems.

Total fire protection system demand.
GPM
Number of standpipe or sprinkler risers.
Height to highest outlet.
feet

Results

FDC Size-inches
Number of Inlets-2.5" connections
Required Residual-PSI
References: Based on NFPA 14 standpipe requirements and FDC sizing criteria