All buildings with sprinkler feed lines (fire department connections)
or fire pumps shall be furnished with two 2.5-inch female NST connections
or one five-inch NFPA nonthreaded connection (Storz) when the gallons
per minute (GPM) rating permits such a connection.
All public or private hydrants (excluding dry hydrants) shall be
furnished with two 2.5-inch NST threaded hose connections and one
five-inch NFPA nonthreaded connection (Storz) when the gallons per
minute (GPM) rating permits such a connection.