[Scan-DC] Dig out your fire hydrants!/ More thoughts

[towrfive at aol.com]

They are not antennas, they are whips to help identify the hydrants that may be covered in snow. 

When a hyrant gets opened on a main that feeds a nearby business, it frequently drops the fire pump pressure for the business in turn tripping the water flow alarm.  The end result is a water flow alarm call fir the fire dept. 

Hope this helps 

Chris
------Original Message------
From: b_thom at juno.com
Sender: scan-dc-bounces at mailman.qth.net
To: scan-dc at mailman.qth.net
Subject: Re: [Scan-DC] Dig out your fire hydrants!/ More thoughts
Sent: Feb 7, 2010 2:14 PM

 
On Sun, 7 Feb 2010 14:00:21 -0500 Doug Kitchener <oldsdoug at hotmail.com>
writes:
> 
> Some hydrants that are tied to building sprinkler systems/alarm 
> systems have red and white whip antennas on them... I've always been 
> curious about how that system works, but I believe that if the 
> hydrant is opened it will trip the fire alarm... seems to me I 
> remember once where a landscaper or pool contractor opened one of 
> those hydrants somewhere and set off an alarm that called the FD...

Oh, so that's what that means. I'm sure that hydrants up by Northern
Virginia Community College have the red and white whip antennas on them,
but I don't see that done citywide. I couldn't figure it out, as surely
there is not so much snow in northern Virginia that the hydrants
disappear in the snow banks.This isn't Wyoming.
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