Standpipe System Sizing

Size standpipe systems per NFPA 14 requirements.

Standpipe Class

Building Type

Number of Floors

Floor-to-Floor Height (ft)

Number of Standpipe Risers

Horizontal Distance from BOR (ft)

Distance from base of riser to fire dept connection

Class	First Riser	Each Add'l	Pressure
Class I	500 GPM	250 GPM	100 PSI
Class II	100 GPM	-	65 PSI
Class III	500 GPM	250 GPM	100 PSI

Standpipe Requirements