Certain colors are meant for different types of fires. Each color represents a different GPM or Gallons Per Minute. Higher GPMs are meant for larger fires. Here are the 4 most popular colors, and the biggest fires they can extinguish.
Why are fire hydrants tall?
Because hydrants need to be quickly accessed during an active fire, hydrant outlets need to be installed tall enough to allow a full-revolution of a hydrant wrench from the lowest outlet. Some jurisdictions paint hydrants or hydrant bonnets to identify the capacity of the hydrant.
What are the three types of fire hydrants?
These types include: Dry-Barrel Hydrants, Wet-Barrel Hydrants, Warm-Climate Hydrants, and Flush Hydrants.
Why are fire hydrants GREY?
In some places, the tops of fire hydrants are painted different colours to let firefighters know how many gallons per minute, or GPM, a hydrant is able to deliver. The higher the GPM, the better the hydrant will be at fighting bigger fires. Blue usually marks the highest GPM, and red the lowest!
Is fire hydrant water drinkable?
Hydrant flushing is necessary to test the hydrants to make sure adequate flow and pressure is available. Flushing is also done to remove sediment from the pipes in order to maintain water clarity and quality in the distribution pipes. Your water is safe to drink.
How tall is a fire hydrant?
Height: Center of lowest outlet should be 18 inches above grade. Location: Within 5 feet of an access lane or street; preferably with no intervening parking. Protection: Provide bollards if there is no curb between the road surface and the hydrant; locate at least 3 feet from the hydrant.
Who owns fire hydrants?
Although water utilities are often responsible for the condition of fire hydrants in a distribution system, water utilities and fire departments share the responsibility of ensuring hydrants operate properly during emergencies.