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Old 12-04-2015, 06:38 PM   #76
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Originally Posted by Ghostmaker View Post
IS that a 3 inch clean out i'm looking at where it exits through the wall?

Any other things in the way to the right of that clean out?

Looks like you have a house trap is that 4 inch going back out to a downspout?
I'll take a look tomorrow and will let you know.
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Old 12-05-2015, 05:46 PM   #77
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Ghost,

It's a 4" pipe that exits out through the basement. I'm not too concerned about the old stuff because I am replacing all of that stuff. I'm more concerned how you would tie the new stuff together.

Pat
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Old 12-05-2015, 06:53 PM   #78
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Ghost,

Let me draw up something for tieing all of the second floor together on Monday. See what you think about that. I can take care of tieing it into the existing stuff.

Thanks,

Pat
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Old 12-05-2015, 07:36 PM   #79
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It's easy once you get to the basement. Just a matter of getting it to where you need to go. Re read post 75 I added some more stuff on it.
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Old 12-07-2015, 11:45 AM   #80
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Quote:
Originally Posted by Ghostmaker View Post
IS that a 3 inch clean out i'm looking at where it exits through the wall?

Any other things in the way to the right of that clean out?

Looks like you have a house trap is that 4 inch going back out to a downspout?

What you have drawn looks real good. All you do is screw a 3 inch MIP adaptor into the clean out then a 3 inch wye with branch going to the right. Then a clean out in the end of the wye. Using 45 bends get back to the wall and just pick it all up with wyes looking up and 90's in the vertical.

The house trap has me concerned is that a local code requirement or a legacy item?

You may have to make another one we have separate storms from sanitary in my area and in the Cleveland Area they used outside house traps on the main drain that were removed when the sewers broke.

Please find out from your local inspector regarding the house trap it's not an issue I deal with because combined sewer and storm are outlawed now.
Ghost,

Here on Long Island, it's still code to tie everything together into one pipe before the house trap. My storm water doesn't tie into my sanitary water...
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Old 12-07-2015, 11:49 AM   #81
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Ghost,

Let me know what you think. I am going to submit these diagrams to the inspector once you think they look like they are good to go.

Thanks,

Pat
Attached Thumbnails
Plumbing Book Reccomendations-basementconnectiondiagram.jpg  
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Old 12-07-2015, 06:27 PM   #82
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Is the main vent to roof a legacy item? All you need do is tie your second floor vents together then out the roof. Roof penetration here is 3 inches 12 inch below and 12 inch above minimal. The IPC kills 3 inch stack vents out.

Also good idea to leave your self a 2 inch drop from the second floor to the first floor Bath.

Last edited by Ghostmaker; 12-07-2015 at 06:30 PM.
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Old 01-04-2016, 04:58 AM   #83
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Hey Ghostmaker. Don't think I forgot about you. I just haven't started the drainage system yet.

Thanks,

Pat
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Old 01-20-2016, 11:06 AM   #84
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Quote:
Originally Posted by Ghostmaker View Post
Is the main vent to roof a legacy item? All you need do is tie your second floor vents together then out the roof. Roof penetration here is 3 inches 12 inch below and 12 inch above minimal. The IPC kills 3 inch stack vents out.

Also good idea to leave your self a 2 inch drop from the second floor to the first floor Bath.
Ghost,

I am in NY which follows ICC/IPC code. The drain pipe existing the basement of the house is 4"

On the second floor, my house has 2 full baths and a clothes washer. The first floor has a full bath, dishwasher, and a kitchen sink on the first floor.

The house has an individual roof for each first and send floor where the fixtures are located. I am thinking it will be easier to run a vent stack for the second floor fixtures out the roof and a main vent for the first floor fixtures out the roof.

I just want to make sure I have the vent stack size for each floor going out the roof to be correct. Would a 3" vent stack for each floor be adequate?

Attached is a picture of the back of the house to give you an idea how the kitchen and bathroom on the first floor has a separate roof over it along with a separate roof over the second floor.

I also attached a drawing where I overlaid the first floor plumbing fixtures to show you where they are relative to the second floor plumbing fixtures.

Here is what I have for fixtures...

First Floor
Kitchen Sink
Dishwasher
Full Bathroom (Toilet, Tub, Vanity)

Second Floor
Clothes Washer with Floor Drain
Full Bathroom (Toilet, Tub, Vanity)
Full Bathroom (Toilet, Vanity, Shower with 2 Heads)

Thanks for your help!
Attached Thumbnails
Plumbing Book Reccomendations-backofhouse.jpg   Plumbing Book Reccomendations-ventstackplumbing.jpg  

Last edited by patrickpresti; 01-20-2016 at 11:08 AM.
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Old 01-20-2016, 07:19 PM   #85
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Basically your first floor vents go up to the attic or the second floor. And tie together.

The rule you need to watch for is called the 40 foot rule. If whatever is venting the toilet, Lavatory wet vent or tub wet vent or toilet by itself will need to travel more then 40 foot out the roof It will need to do one of two things. A: be 1 pipe size larger then half the size of the drain the entire distance. For example a toilet drain is 3 inch You wet vent that toilet to a lav but you know it will be more then 40 foot out the roof. Then you will need to make the entire wet vent 2 inch not 1.5 inch.

Or B: lets say your 1st floor toilets vent on the lav can reach the second floor vent under 40 foot. If you make the second floors toilet vent 2 inch to the lav and out then the first floor toilets vent can be 1.5 inches in size.

The other thing is you need to tie the first floor venting 6 inches above the highest flood level rim of the floor above. Usually that would be a lav sink at 36 inches. ^ inches above that is 42 inches to center off the floor.

I would strongly suggest you get the IPC commentary either purchase it or see if your local library has one. It has great diagrams and explains it in none legalize that the code is written in.

Where ever you go through the roof you must be 3 or 4 changes due to local frost conditions 12 inch below and 12 inch above the roof as a minimum distance.
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Old 01-20-2016, 07:29 PM   #86
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minimum vent for a toilet is 2 inch on long island...and a question for the op..are you getting a permit for the plumbing work and getting it inspected?
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Old 01-20-2016, 07:55 PM   #87
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minimum vent for a toilet is 2 inch on long island...and a question for the op..are you getting a permit for the plumbing work and getting it inspected?
Hi. I will be getting a permit for the plumbing work and it be getting inspected. I am going to rig everything and not glue it. Then I will have the plumber finish it off if he wants...
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Old 01-21-2016, 05:33 AM   #88
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Quote:
Originally Posted by Ghostmaker View Post
Basically your first floor vents go up to the attic or the second floor. And tie together.

The rule you need to watch for is called the 40 foot rule. If whatever is venting the toilet, Lavatory wet vent or tub wet vent or toilet by itself will need to travel more then 40 foot out the roof It will need to do one of two things. A: be 1 pipe size larger then half the size of the drain the entire distance. For example a toilet drain is 3 inch You wet vent that toilet to a lav but you know it will be more then 40 foot out the roof. Then you will need to make the entire wet vent 2 inch not 1.5 inch.

Or B: lets say your 1st floor toilets vent on the lav can reach the second floor vent under 40 foot. If you make the second floors toilet vent 2 inch to the lav and out then the first floor toilets vent can be 1.5 inches in size.

The other thing is you need to tie the first floor venting 6 inches above the highest flood level rim of the floor above. Usually that would be a lav sink at 36 inches. ^ inches above that is 42 inches to center off the floor.

I would strongly suggest you get the IPC commentary either purchase it or see if your local library has one. It has great diagrams and explains it in none legalize that the code is written in.

Where ever you go through the roof you must be 3 or 4 changes due to local frost conditions 12 inch below and 12 inch above the roof as a minimum distance.
Thanks Ghost. I will try to get a copy of the IPC Commentary from the library.

So if I understand you correctly, I don't need to run a 3" or 4" vent stack from the sewer line in the basement to the roof? I just have to tie the individual fixture vents together in the attic, then it has to be 3" or 4" pipe a minimum of 12" above and below the roof?

Pat
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Old 01-21-2016, 06:41 AM   #89
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Quote:
Originally Posted by patrickpresti View Post
Thanks Ghost. I will try to get a copy of the IPC Commentary from the library.

So if I understand you correctly, I don't need to run a 3" or 4" vent stack from the sewer line in the basement to the roof? I just have to tie the individual fixture vents together in the attic, then it has to be 3" or 4" pipe a minimum of 12" above and below the roof?

Pat
I started my 3" within the attic insulation.
I figured small pipe anywhere in the unconditioned attic may frost up.
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Old 01-21-2016, 07:57 AM   #90
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I started my 3" within the attic insulation.
I figured small pipe anywhere in the unconditioned attic may frost up.
Good to know. Thanks!
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