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Old 03-16-2015, 04:29 PM   #1
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Rough in Pics. Comments needed


Hello everyone im adding a new shower to existing half bath.
i did a rough in for shower drain. 2in going across is for vent.
let me know what you think about this installation so far.


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Old 03-16-2015, 05:13 PM   #2
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Illegal dry flat vent on shower.

A vent cannot go horizontal until it is 6 inches above the fixture it is serving.

You need to figure out a way to add your sink.

Last edited by Ghostmaker; 03-16-2015 at 05:16 PM.
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Old 03-16-2015, 06:11 PM   #3
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Put a lav on that stack and you're good to go.
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Old 03-16-2015, 06:12 PM   #4
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Quote:
Originally Posted by Ghostmaker View Post
Illegal dry flat vent on shower.

A vent cannot go horizontal until it is 6 inches above the fixture it is serving.

You need to figure out a way to add your sink.
Quote:
Originally Posted by Javiles View Post
Put a lav on that stack and you're good to go.
thanks for the quick reply.
if its wet vent this is ok?
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Old 03-16-2015, 07:04 PM   #5
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Wet vents Ok IPC
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Old 03-16-2015, 07:14 PM   #6
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michigan use ipc ...wet venting can be used in both vertical and horizontal applications
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Old 03-16-2015, 07:21 PM   #7
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That pipe going into the wye with the vent looks mis aligned.
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Old 03-16-2015, 07:23 PM   #8
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hope that is all dry fitted...no primer....
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Old 03-16-2015, 08:20 PM   #9
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Quote:
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hope that is all dry fitted...no primer....
yes its all dry. just a rough in

is the 90 degree horizontal long sweet towards toilet ok? i was told to stay away from 90s in plumbing...
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Old 03-16-2015, 08:23 PM   #10
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From looking at the photo I'm wondering in what direction your mounting the toilet.

A toilet ruff in off the wall behind it should be 12 inches or a little more.
A toilet ruff in off the side wall should be 15 inches or better for room to wipe.

If you install a lav with a vent to air on the 2 inch it sort of looks like you will be crowding the shower. What type of base and size are you installing for the shower?

So basically A toilet needs 30 inches of space from right to left open as a minimum.

A lavatory sink depending on type can take up what ever but needs 24 inches in front of it free.

And your shower will depend on its size. Its very important you lay the bathroom out prior to gluing in the pipe and covering. I would suggest drawing what you intend to do for fixtures then we can talk about what you need for piping.

So figure out what size bathroom you intend to do. Place toilet lav and sink in that drawing so everything is easily usable.
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Old 03-16-2015, 08:31 PM   #11
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Quote:
Originally Posted by Ghostmaker View Post
From looking at the photo I'm wondering in what direction your mounting the toilet.

A toilet ruff in off the wall behind it should be 12 inches or a little more.
A toilet ruff in off the side wall should be 15 inches or better for room to wipe.

If you install a lav with a vent to air on the 2 inch it sort of looks like you will be crowding the shower. What type of base and size are you installing for the shower?

So basically A toilet needs 30 inches of space from right to left open as a minimum.

A lavatory sink depending on type can take up what ever but needs 24 inches in front of it free.

And your shower will depend on its size. Its very important you lay the bathroom out prior to gluing in the pipe and covering. I would suggest drawing what you intend to do for fixtures then we can talk about what you need for piping.

So figure out what size bathroom you intend to do. Place toilet lav and sink in that drawing so everything is easily usable.


thanks for the comments.
i will be building a all tile stand up shower. 4x3 ft
toilet should be ok. 12inches and wall is still yet to be built but ill make sure to have 15 in min from the wall on the side.

one concern i have is with LAV horizontal wet vent, wouldn't i have to have the horizontal piece above 39 inch in height from floor?
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Old 03-16-2015, 10:37 PM   #12
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After looking at your floor plan the plumbing layout may need to be reconfigured.
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Old 03-16-2015, 10:55 PM   #13
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What do you recommend I change with the layout?
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Old 03-17-2015, 02:42 PM   #14
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How does this look instead?
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Old 03-17-2015, 05:55 PM   #15
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Nope
From toilet

Toilet long sweep 90 3 in wye, 3 by 2 bushing in end of wye. 3 inch to existing just turn down with 90.

Moving to shower 2 inch 45, 2 inch wye, Off end of wye continue to shower with 2 inch trap.

Off branch of wye go back to lav wall in 2 inch turn up with 2 inch 90, 19 inches off floor to center install 2 by 2 by 1.5 inch tee. Continue 2 inch up 42 inches go horizontal tie into existing vent. That means no bath no drainage down that pipe if there is a floor above draining down that pipe it's not a vent pipe we will need to reconfigure this thing.

With 1.5 inch pick up 1.5 inch trap for lav.

Last edited by Ghostmaker; 03-17-2015 at 05:57 PM.
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