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Old 07-03-2008, 12:03 AM   #1
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down spout in a vent?


On the patio of my 1950 ranch I have a rain gutter downspout attached to a 3" cast iron pipe that comes out of the concrete about a foot. I think that this may have been the original vent for the drain that's flush with the patio about a foot away.

I never paid this much mind but now my wife would like a small outdoor sink on this patio. I thought that I would just put a san T on top of this pipe to drain out the sink and re attach the downspout to the top of the T.

What do y'all think of this idea?

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Old 07-03-2008, 06:32 AM   #2
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down spout in a vent?


I would do it. You should never have any problems. I think it was a good ides.

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Old 07-03-2008, 08:04 AM   #3
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down spout in a vent?


You should make sure that you know what the cast pipe is before you pipe storm water to it.
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Old 07-03-2008, 09:19 AM   #4
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down spout in a vent?


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Originally Posted by thekctermite View Post
You should make sure that you know what the cast pipe is before you pipe storm water to it.
Stormwater is already piped to it. You had BETTER make sure that it's actually a drain, in which case you shouldn't have stormwater dumping into it. If it's actually a storm drain, then you shouldn't be dumping sink waste into it.
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Old 07-03-2008, 09:56 AM   #5
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down spout in a vent?


Sanitary drains and storm drains are two seperate lines with different uses. You can't just cross-use them. You could end up with legal issues with your City.
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Old 07-03-2008, 09:15 PM   #6
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down spout in a vent?


Quote:
Originally Posted by majakdragon View Post
Sanitary drains and storm drains are two seperate lines with different uses. You can't just cross-use them. You could end up with legal issues with your City.
What he said.
You need to make absolutely sure what that drain is before you go adding a sink to it. You may or may not be allowed to dump rainwater into the sanitary system. If you have cesspools it is a bad idea. If you have a sewer system it may be illegal. If your house was built and your system installed before the year they disallowed running rainwater into the sanitary system you are legal although it isn't a great idea to have leaves, sticks, bits of shingles, and whatever else happens to go down your gutter in your DWV system.
I'll be the last one to whine about it though since that's how my house is setup. All the gutter runoff goes into the city sanitary lines and seeing as how my gutters, downspouts, and piping were installed in 1916 or so it's legal.
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Old 07-04-2008, 07:33 AM   #7
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down spout in a vent?


You need to find out for sure where the line goes. From what you described it's probably OK to do what you want, but it's always better to know for sure.
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Old 07-04-2008, 06:01 PM   #8
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down spout in a vent?


It MAY have been legal in 1916,,but HERE piping rain gutter water into the sanitary sewer would get YOU in hot water. Aint no grandfathers allowed "HERE"!! And people that would leave it like that cost the city sewer divisions TONS of money processing that sewer water that isnt!!(never used to process sewer water back in them dere days!!)

IF its gutter water and thats NOT a storm drain its attached to,get it OUT of there,,,its the 'responsible' way to do it,,,legal or no!!

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