Designing Water & Hydrant Systems

Aside from the general purpose of delivering water for fire fighting, the hydrant design selected must be based on a number of operational elements. Some issues to consider include:

  • How much water (GPM or L/min) is needed for fire fighting.
  • How many and what size hose connections are required.
  • The established hose sizes and coupling threads in the region.
  • Current (and future) configuration of fire apparatus.
  • Issues of clearance and visibility.
  • Operating characteristics of the hydrants.
  • Amount of head (static pressure) that is present in the system.
  • Climatic conditions in the area.

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