Help Identifying Rough-in Pipes | Basement Bathroom


Old 07-16-19, 05:26 PM
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Help Identifying Rough-in Pipes | Basement Bathroom

Hey All,

Hoping someone can help me with this, I've seen quite a few threads on this subject but none of them match my layout enough for me to be certain of whats what. Trying to identify what these pipes are in the attached pics. I know the 3 inch one is for the toilet. Sorry for the mess in the pics, theres temp framing around the space

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Last edited by PJmax; 07-16-19 at 08:42 PM. Reason: resized pictures
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Old 07-18-19, 10:06 AM
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2" pipe in the gravel is for a shower (needs a trap)
3" pipe is your toilet.

I'd guess the 2" pipe on the right is for a vanity and the 2" pipe near the gravel is intended to vent the shower up through the shower wall.
Old 07-18-19, 04:05 PM
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Would it be safe to assume I can tie-in vent pipes from that sink and toilet to the shower vent pipe? Also need to figure out how I can tie the shower to the main vent line, not seeing anything coming from the ceiling. The 3" pvc running along the wall(in blue) but that looks like drain line from upstairs
Old 07-18-19, 06:37 PM
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ummm slow down.. when its boxed like that its usually for a tub.. The 2" pipe under gravel.

The toilet is a given..

The other two I need to think about as one id for either sinks and or laundry and the other may be also for a lav.. There may be a trap already under the cement if one is for a shower.

Is there a vent up in the ceiling somewhere?
Old 07-22-19, 10:50 AM
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Thanks for the replies. The only possible venting I see in the area is by the ejector pump, which is roughly 20 ft or so away. Do you think the highlighted vent is tying back to the rough-in pipes> If so, what would that mean for the pipe next to the tub p-trap; What would i do with that?
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