Standpipe 13 : The vertical portion of the system piping that delivers the water supply for hose connections, and sprinklers on combined systems, vertically from floor to floor
NFPA 13E Recommended Practice for Fire Department Operations in Properties Protected by Sprinkler and Standpipe Systems, 2005 ed. (Recmm Prac: for Fire Department Operations in Properties Prot by Sprinkler and Stdpp Sys FD Opr Sprnk&Stdpp - Amer) {180 NFC}