Standpipe PDF Guide

21 page guide for standpipes.

NFPA 14 Guide

Standard for the Installation of Standpipe and Hose Systems.

Wet-automatic

• Water supply valve automatically opens or system is always charged
• Water in entire system
• Has a water supply capable of supplying the system demand

Dry-automatic

• Water valve automatically operated
• Air in the system
• Has a water supply capable of supplying the system demand

Dry semi-automatic

• Water valve manually opened by an approved device
• No water in the system
• Has a water supply capable of supplying the system demand

Manual-dry

• Atmospheric air in the system
• Water supply must be provided by fire department pumpers

Manual-wet

• Water in the system
• Water supply must be provided by fire department pumpers

Class I

• Used by fire departments and trained individuals
• 2 1/2 inch hose
• Capable of effective hose streams to fight a fire in its advanced stages
• May be used for exposure protections

Class II

• Used by building occupants
• Hose size
• Capable of effective hose streams to fight a fire in its early stages
• Concerns – Delay in escape of occupants due to fighting the fire

Class III

• Combine Class I and II
  • 1-1/2 inch hose
  • 2-1/2 inch outlet
• Use either fire department or building occupants that are trained (See OSHA requirements)