Kitchen AAV will this work?

[Levi]

Got one more for you guys. This is a kitchen island which is supposed to get an A.A.V for the sink and dishwasher. At first I thought the two pipes for for the two sinks, which would not work because the pipe on right is close to edge of cabinet. Asked plumber, he told me the pipe on the right is for the A.V.V. Haven't seen one installed that way, doesn't seem right. Wouldnt that be a horizontal vent?

Also the left pipe is 18" above floor, is that an ok height for kitchen sink?

 

[SHEPLMBR]

Why wouldn't he run an Island vent?

 

[SHEPLMBR]

http://cdn1.tmbi.com/TFH/Step-By-Step/FH03OCT_ISLANSI_01.JPG

http://terrylove.com/forums/index.php?attachments/loop-20vent-jpg.14882/

 

[SHEPLMBR]

I have no idea, but he didn't. Just one of many issues with this guy, and yes, he IS a licensed plumber with 30 years experience. I checked.

Where are you located?

 

[Levi]

Florida, so IPC. AAV's are allowed without limits as far as I know. He has one planned for here by choice, and another one in the laundry by mistake (he had an improper vent)
I just can't figure out how this setup becomes an AAV. All of the AAV's I have seen are on vertical pipes upstream of the sink trap.

 

[frodo]

after the cabinet is set..he will install a 90 a pipe and the aav

i do not agree with his method.

i would have.

 

[phishfood]

Oy vey. This just gets better and better.

Let's start with the height. 18" is fine for standard 6" depth drop in sinks. On some deep bowl undermount sinks, particularly with a garbage disposal, 18" high can be an issue.

Regarding the horizontal pipe out of the side of the tee, and the horizontal pipe poking out of the wall for the AAV. Florida Building Code, Plumbing, 2010 edition, 905.4 Vertical rise of vent Every dry vent shall rise vertically to a minimum of 6" above the flood level rim of the highest trap or trapped fixture being vented.

So, the flood level rim is the rim of the kitchen sink. And that horizontal pipe is not 6" above the rim of the sink.

Also, the kitchen sink will be what is known as "S trapped". As the kitchen sink drains, the water draining down the pipe will close off the path for air to return back to the trap, and the trap will self siphon. Same code, 906.2, paraphrased: ...total fall in a fixture drain....shall not exceed the diameter of the fixture drain, nor shall the vent connection to the fixture drain......be below the weir of the trap.

Chapter 2 of the same code has definitions. Do a search for Florida Building Code, one of the hits will be for a downloadable version of the code. You will probably have to download the individual chapters.

 

[frodo]

glad you know that weird ipc, code. all i know is that whole house and every line in it would fail under upc

 

[frodo]

in your position, call a local plumbing co.

ask for an 3rd party inspection by a master plumber, video the meeting,

do not tell them about the plumber or gc,

 

[Levi]

Technically, what is a "master plumber", how do you qualify to become one?

 

[gargalaxy]

You must have at least 4 years of experience as a plumber. This may be proven with wage stubs, tax returns and certifications by other master plumbers. Up to 3 years of that experience may be provided with proof of a qualifying degree. You should also have at least 1 year of experience as a foreman.

That's just to apply, maybe sounds easy but is not. You can check the link for more info about it, also check the plumber license.

http://www.myfloridalicense.com/dbpr/pro/cilb/

 

[frodo]

upc
4 years apprentice as a helper, verifiable hours and a reference from a master
then you take a test journeymen 4 hours written, 4 hours shop


2 years as a journeyman, verifiable hours and a reference from a master, or another [active]master license in another jurisdiction

then you take a test,master 8 hours written

to keep your license , mandatory continue ed class every year for 10 hours
journeyman and master, same class

they do offer a residential plumbers test at year 2
it is a 4 hour written,

 

[CT18]

I would question the inspection process.

 

[Levi]

I would question the inspection process.

It is not unusual for an inspector to have 20-30 inspections a day, so it is no surprise they aren't thorough

 

[CT18]

Most of the photos you have posted do not require the inspector to be thorough just have a pulse

 

[Levi]

The inspector has been out several times and only flagged one thing....the laundry S vent

Update. Plumber redid the island.
First pic I found online, so I showed it to him as a possible example. I encouraged him to reach out to Studor Tech support. He did not.

He did it a "better way" ( 2nd pic) For reference, there is an 18" cabinet to left of sink, sink cabinet is 36", then dishwasher and other cabs to right.

The right pipe is for the trap. It is directly below the drain for the right basin. The left pipe is for the AAV. It is a few inches from the cabinet wall, and 10.5" from the top, just under the left basin. Presumably he is going to turn it up and left to put the AAV beside the cabbinet wall, either in front of or beside the sink basin.

My favorite question, will this work?

 

[CT18]

I would have brought the top aav straight up as high as possible or 45° not 90.

Why not just oversize the underground on the island sink because that vent isn't correct either.

I am sure they will "work" just not right. I cant believe they inspector is letting that go. I would have been red tagged and scolded for poor workmanship.

 

[Levi]

I would have brought the top aav straight up as high as possible or 45° not 90.

Why not just oversize the underground on the island sink because that vent isn't correct either.

I am sure they will "work" just not right. I cant believe they inspector is letting that go. I would have been red tagged and scolded for poor workmanship.

If he brought it straight up it would be behind the sink, so maybe that is why, but I don't get why he went left with it instead of right like the first photo. Honestly I think he just went opposite of my suggestion on purpose (notice the piece of paper sitting on the half wall? that is the printout of the first pic.....think he is sending me a message?)

I have given up on the inspectors in this town, they are all buddies with the contractors. I am but a whiny troublemakking homeowner