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Old 05-12-2012, 09:02 AM   #1
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Basement shower addition, venting question


Hey all,

I am in the planning stages of a basement and bathroom remodel and i wanted to get some opinions on my shower plans (see picture).

would this plan work?

again, we're assuming i slope everything a min of 1/4 inch per foot and not creating an S trap in the shower drain. Would this diagram pass?

fyi, it connects just downstream of a 4" line (a toilet isn't too far away) to which it will connect.

Thanks for any help youcan give me,

-jsv
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Old 05-14-2012, 05:18 PM   #2
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Basement shower addition, venting question


Any comments?! Thanks!

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Old 05-14-2012, 05:34 PM   #3
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Basement shower addition, venting question


If the pipe going up behind the shower is just a vent, then you have a horizontal dry vent below the flood rim of the fixture, which is frowned upon most places, or all places, I do not know. I would recommend installing the trap higher, running it to the vertical vent pipe, using a sanitary tee in the vertical pipe, and a long sweep 90 under the tee. I hope this makes sense. Good luck
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Old 05-14-2012, 07:20 PM   #4
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Basement shower addition, venting question


Drawing shows vent pipe lower than drain line---it will flood and fail to work.

Raise vent line above the drain line---add the T as close to the P-trap as is practical.
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Old 05-14-2012, 07:41 PM   #5
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Basement shower addition, venting question


this is a better option
ok how do i add a thumbnail and what is a draw program that can be used
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Old 05-15-2012, 01:06 PM   #6
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Basement shower addition, venting question


That configuration will not pass code. The plumbing code requires the base of every stack to be washed.

Quote:
Originally Posted by jsvelte View Post
Hey all,

I am in the planning stages of a basement and bathroom remodel and i wanted to get some opinions on my shower plans (see picture).

would this plan work?

again, we're assuming i slope everything a min of 1/4 inch per foot and not creating an S trap in the shower drain. Would this diagram pass?

fyi, it connects just downstream of a 4" line (a toilet isn't too far away) to which it will connect.

Thanks for any help youcan give me,

-jsv
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Old 05-15-2012, 07:02 PM   #7
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Basement shower addition, venting question


Quote:
Originally Posted by jsvelte View Post
Hey all,

I am in the planning stages of a basement and bathroom remodel and i wanted to get some opinions on my shower plans (see picture).

would this plan work?

again, we're assuming i slope everything a min of 1/4 inch per foot and not creating an S trap in the shower drain. Would this diagram pass?

fyi, it connects just downstream of a 4" line (a toilet isn't too far away) to which it will connect.

Thanks for any help youcan give me,

-jsv
sorry won't work...vent will flood....has to be higher than drain line...ben
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Old 05-15-2012, 07:47 PM   #8
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Basement shower addition, venting question


Guys, thanks for your replies, i'm going to have to rethink my plan. I like jaydevries idea, i will see if it will work. Maybe i'll have to raise the shower base....

thanks again everyone for your input,

-jsv
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Old 05-15-2012, 11:13 PM   #9
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Basement shower addition, venting question


you can also do this if it will help
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