How do you read a fire hydrant sign?

The two numbers on the sign indicate the size of the water main (top number) and the distance from the sign (lower number). Modern signs show these measurements in millimetres and metres, whereas older signs use inches and feet.

How much PSI is in a fire hydrant?

Fire hydrants are flow-tested at a residual pressure of 20 psi; therefore, firefighters should understand the typical flow rates of fire hydrants at that pressure.

What is a fire hydrant usually marked by?

Top number indicates the size, in mm of the main feeding the Hydrant. The lower number indicates in meters, the distance from marker to hydrant. The hydrant lid should be painted Canary Yellow to comply with standards.

How is a fire hydrant used?

Used by firefighters during a fire to put out the flames, fire hydrants operate by allowing your local firefighters to quickly tap into your water utility’s pressurized water system. The firefighters remove a nozzle or two, fasten hoses to the nozzles and turn the valve to get the water flowing.

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.

Why are fire hydrants painted black?

Allen said all of the hydrants will eventually be painted black to avoid any liability problems, which is upsetting to emergency personnel. “If you paint them all black, they they all look like they’re bad,” Emergency Management Coordinator Dan Kinsey said.

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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!

Fire safety