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simon 11-12-2007 11:07 AM

utility sink, washer drain
I am currenty relocating the utility sink and washer, dryer in my basement.
Where I am moving this equipment, there used to be a bar with a kitchen sink. I have removed the bar and sink.
The sink drained into a 2" pvc pipe which ran horizontally about four feet and then straight down into the concrete to the sewer main.
My question is this:
I would like to extend this existing drain horizontally to drain both my washer and utility sink. Do I need to vent this system? There is currently no venting on that side of the house at all.

scrapiron 11-12-2007 08:55 PM

If I was going to extend the 2 inch drain more than six feet from the main and have both the sink and the washer on it I would vent it. This might be a place for a studor vent.

robertmee 11-13-2007 08:17 AM

What's the code requirements for a vent that must go outside vs using a studor inside? I have a small wet sink in my bar area that is pumped via a little giant sump through a check valve and into my solid waste pipe exiting the home. Do I have to vent this sump all the way outside, or is a studor vent permittable?

simon 11-13-2007 08:53 AM

I like the idea of the studor vent. I have never used one of these before. Where would I place the vent assuming that on the end of the drain line would be my washer drain, next the sink would empty into the line and then into the sewer main?

scrapiron 11-14-2007 07:30 PM

There is generally more room for one under the sink however some washer boxes have enough room to squeeze one in. Just after your washer trap drop into a Y. Run the other leg of the Y back up into the box and cap it with a studor.

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