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Old 04-13-2017, 08:12 PM
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I just had a building inspector draw out on a dusty fridge how he wanted the sink drains on a remodel I'm currently doing. Is he just F'ing with me or is he serious???? All drains are currently coming up through the floor.


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Old 04-13-2017, 08:14 PM
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Stupid pictures. Floor is on the right side Paper clip is where the sink connects.
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Old 04-13-2017, 08:18 PM
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Drains coming through the floor now means that a S trap was used before. S traps are a no-no. I think he wants your drains re-roughed in the walls so that a J-trap can be installed.
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Old 04-13-2017, 08:38 PM
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You can install it like that if you have a vent just prior to the P-trap. If you use 45 degree fittings rather than 90s in the offset it is no longer considered a S-trap and will not require a vent. You could also use three inch(for 1-1/2 and 1-1/4 P-traps) for the drain coming through the floor and have no vent at all.
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Old 04-13-2017, 08:53 PM
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So to be safe easiest solution is just have themmmoved over and put in the wall.
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Old 04-13-2017, 09:07 PM
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come up from floor , through your cabinet , install a clean out tee , then a normal tee over towards the p-trap , then come up from top of the tee to a studor vent . I try to get it pretty close to the bottom the countertop but still able to remove it if needed some day . If you have no drain ran yet under the floor , run a 2" if possible .
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Old 04-13-2017, 09:16 PM
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since its drawn on the dusty fridge , not a dirty toilet seat lol , I'm guessing its the kitchen sink . If its a double bowl , put the trap on the farthest bowl so you have the room . A Dishwasher , no disposal ? Find a direct connect waste assembly with dishwasher tee built in . Seen em at Lowes .
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Old 04-14-2017, 06:08 AM
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Originally Posted by nanjemoycat View Post
Drains coming through the floor now means that a S trap was used before. S traps are a no-no. I think he wants your drains re-roughed in the walls so that a J-trap can be installed.
This. S traps are no longer used. How about the vent? We use a lot of Studers.
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Old 04-14-2017, 09:08 AM
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Originally Posted by billinstuart View Post
This. S traps are no longer used. How about the vent? We use a lot of Studers.
I've been out of the game for a while, but from what I remember it all depends on the plumbing code enforced. National code studor vents could be used if installed above the flood plane and access was provided. Other codes some State/County say studors are forbidden. From what I glean from the dust prints, the inspector wants the drain lines in the wall with the vent tied in the attic.
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Old 04-14-2017, 10:25 AM
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Ok guys thanks for the replies. Quick question.l. These are above grade pre existing drains attached to vent pipes. House built late '80's. Is my best bet just cutting out the ceiling below and re running the pipes up the wall and out to behind the vanity?

I know the vanity for the double sink in the master, I would have to cut the hell out of it to make anything your are describing work.
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Old 04-14-2017, 10:43 AM
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P trap connection does not have to be in the wall..it can still come up in the cabinet base. You just can't use an S trap.
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Old 04-14-2017, 02:11 PM
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I don't even know where to begin with this... he should have given you a decent drawing.

Not sure about Philly, but full-S traps and quick-vents (studors) are both illegal here in MA. I'd get him to tell you exactly what he wants, and get it in an email/writing before you do anything.
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Old 04-14-2017, 02:48 PM
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I don't think venting is the issue here or it would have been drawn in . This looks like a wet vent drain. I think the inspector wants you to have some length of horizontal pipe going to the J-trap so that you don't get a syphon effect that will pull all the water out of the trap when water drains through it. That drawing should be fine .
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Old 04-14-2017, 02:51 PM
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unless the inspector missed it (unlikely imho) that drain must already be vented

he just wants you to put in a p trap

don't overthink it

and wash your hands before lunch
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Old 04-14-2017, 04:28 PM
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Originally Posted by Chuckster View Post
I don't even know where to begin with this... he should have given you a decent drawing.

Not sure about Philly, but full-S traps and quick-vents (studors) are both illegal here in MA. I'd get him to tell you exactly what he wants, and get it in an email/writing before you do anything.
Inspector for the rough inspection made me pour 5 gallons of water down the tub drain then we went to look at the downstairs floor for any water. First time for everything I guess.
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Old 04-14-2017, 05:16 PM
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I think he wants a P-Trap between the fixture and the slab. The vent is already in place (I hope).
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Old 04-14-2017, 08:54 PM
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Originally Posted by Absolute View Post
I think he wants a P-Trap between the fixture and the slab. The vent is already in place (I hope).
You FL guys. All 6 sinks are in the first floor or second and have wood subfloors and access below. What is this slab you are talking about? Why would we put a kitchen sink on the basement floor

Im just doing a remodel. Everything is properly vented through the roof. The plumber must not have been able to bribe the inspector lie the electrician did while wiring this house. It's normal for the kitchen refrigerator to be on the same circuit as the dining room lights/kitchen lights and 2nd floor bath right?
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Old 04-15-2017, 07:24 AM
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Originally Posted by bjm9818 View Post
You FL guys. All 6 sinks are in the first floor or second and have wood subfloors and access below. What is this slab you are talking about? Why would we put a kitchen sink on the basement floor

Im just doing a remodel. Everything is properly vented through the roof. The plumber must not have been able to bribe the inspector lie the electrician did while wiring this house. It's normal for the kitchen refrigerator to be on the same circuit as the dining room lights/kitchen lights and 2nd floor bath right?
Ok, he wants a P-Trap between the fixture (the sink) and the floor (in your case, the wood subfloor). In our world we have no basements where we do our hobbies, we have the outdoors, the Gulf of Mexico and the tourist to entertain us.

So a P-Trap, real simply, to stop the gases from entering a living space.

Oh, do you know the difference between a plumber and a pipe fitter?

A plumber doesn't bite his fingernails. LOL
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Old 04-15-2017, 07:40 AM
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Originally Posted by Chuckster View Post
I don't even know where to begin with this... he should have given you a decent drawing.

Not sure about Philly, but full-S traps and quick-vents (studors) are both illegal here in MA. I'd get him to tell you exactly what he wants, and get it in an email/writing before you do anything.
Better to quote a specific passage from a code book. Pretty clear to me, though.
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Old 04-15-2017, 07:42 AM
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Originally Posted by bjm9818 View Post
You FL guys. All 6 sinks are in the first floor or second and have wood subfloors and access below. What is this slab you are talking about? Why would we put a kitchen sink on the basement floor

Im just doing a remodel. Everything is properly vented through the roof. The plumber must not have been able to bribe the inspector lie the electrician did while wiring this house. It's normal for the kitchen refrigerator to be on the same circuit as the dining room lights/kitchen lights and 2nd floor bath right?
Fridge should have its own circuit, not a ground fault.
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