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AR15.COM
6/10/2009 2:50:20 PM EDT
Ok, the people across the street from  me built this GIANT house. I don't know how many families are living in there.

Anyway, because of the size of the house they were required to put in a sprinkler system. In front of the house, but before the exposed valves that control the system there is a stand pipe. It is just a pipe that has the coupling for a fire hose. NO valves on it at all.

My question is what is it's funtion? The in ceiling system is always on and gets it water from the water main.

There would be no way to hook a hose to this once the system is active. So whaz up?
6/10/2009 2:53:10 PM EDT
[#1]
its for the first due engine company to supply the fire sprinklers..  to augment pressure and volume of water..   sprinklers are the first line defense in life safety in NFPA 13R sprinkler systems..  


"no life has been lost in a residential sprinkler system where the system was fully functional"  claimed since like 1976 or something..  


ETA:  commonly known as FDC's  (fire department connections, or siamese connections if there is an actually standpipe and a sprinkler supply)
if the house is actually large enough it would be smart for the owners to install an actual standpipe and have standpipe connections through out the house for the truck and engine companies to hook up there hotel packs.  WAY easier then humping a charged 3/4" line into a 300,000 sq foot house plus added floor levels

6/10/2009 2:53:59 PM EDT
[#2]
It's used to supplement the sprinkler system in the event of a fire.  You can connect to it when the system is active. It has check valves that only allow water to flow one way.
6/10/2009 2:55:21 PM EDT
[#3]
what Shott said....  called an " FDC"  fire dept connection.
6/10/2009 2:56:10 PM EDT
[#4]
Its been a few years, but if I remember correctly the fire hose connection is so the FD can connect to it with a pumper to pressurize the system in the event of no municipal water flow.
6/10/2009 2:59:40 PM EDT
[#5]
alot of time when an engine hits the plug on the street it will drop the main pressure going to the house..  ideally the engine will hook up and resupply the house through its own pump..  

this is notorious in areas like FL where the water supply infrastructure is weak and often have droughts.
6/10/2009 3:02:31 PM EDT
[#6]
ok thanks. Yeah there house is 18,000 sq feet  they have a seven car garage and at least nine cars always parked in front. I live in a nice neighborhood but this house really sticks out to say the least. We call it the 'Second Club House"
6/10/2009 3:03:26 PM EDT
[#7]
Like the others have said, it is what is called a Fire Department Connection (FDC). Generally they are a 2 1/2" Siamese with a clapper valve in them, but a lot of the newer construction around here have a single 5" Storz connection. It is used to augment what is coming from the water main.
6/10/2009 3:05:04 PM EDT
[#8]
Quoted:
Like the others have said, it is what is called a Fire Department Connection (FDC). Generally they are a 2 1/2" Siamese with a clapper valve in them, but a lot of the newer construction around here have a single 5" Storz connection. It is used to augment what is coming from the water main.




fer real?

on residential?
6/10/2009 4:53:10 PM EDT
[#9]
Quoted:
Quoted:
Like the others have said, it is what is called a Fire Department Connection (FDC). Generally they are a 2 1/2" Siamese with a clapper valve in them, but a lot of the newer construction around here have a single 5" Storz connection. It is used to augment what is coming from the water main.




fer real?

on residential?


No, I was talking about FDCs in general. The 5" connections I've seen are all on commercial structures.
6/10/2009 5:10:03 PM EDT
[#10]
Quoted:
Quoted:
Quoted:
Like the others have said, it is what is called a Fire Department Connection (FDC). Generally they are a 2 1/2" Siamese with a clapper valve in them, but a lot of the newer construction around here have a single 5" Storz connection. It is used to augment what is coming from the water main.




fer real?

on residential?


No, I was talking about FDCs in general. The 5" connections I've seen are all on commercial structures.


Yea.... I've heard there is a big push for this......