Tim Hunt
Residential Remodeling and General Contractor
Hey everybody!
I'm a first time poster and have really enjoyed surfing through the site the past week trying to find what I'm looking for and have came across some information but still need a little help.
My name is Tim and I down here in Duncanville, Texas. Been framing for 30 yrs. Remodeling for the last 20 & General contracting for the last 10. By no means do I claim to be a plumber but have done my fair share of it.
Hopefully that's enough of the introduction!
I'm working on a house built in 1948 and wound up replacing the plumbing that runs about 18" below the bottom of the joists in a master bath with a tub, toilet & double lav vanity. I was replacing the sub floor & repairing some of the structural framing and while tearing out the sub floor the pvc pipe fittings started coming apart with very little effort. Infact they all came apart with no effort so I just cut it all out from one side of the room to the other. The main stack for the house was in one wall & the soil drain runs right below, across and out the other wall and ties into the city at that point.
The wall with the stack has a half bath on the other side of it with a toilet that ties into the stack just before it turns to run under the room I'm replacing the plumbing in. The only other fixture in the hall bath is a pedestal lav. that backs up to the same wall. Its trap was once connected below the joist and was totally disconnect and laying on the ground below when I got to it. It was ran into the tub from the master bath just the other side of the wall.
All the fixtures in the master ran directly into the main soil drain connecting thru the top of the drain or in other words dropping into the main. None of the fixtures were vented either.
I brushed up on the code as to what fittings to go back with but I'm stuck on the correct way to run them into the main drain. So my questions are.
1)With the toilet from the hall bath tied in to the soil stack would that make the main soil drain a wet vent to tie the fixtures in the master into horizontally or should they drop in from the top?
2) Since it is the main will it vent each fixture without having to individually vent them?
3) If I do need to vent them can I vent the toilet off of the double vanity using a aav?
I'm pretty sure they all have to have there own vent unless I can pull off making it a wet vent.
The stack and drain are both 3" until about 2' before exiting the building then it turns 4". There is also a 2" line coming in from the kitchen and laundry which both have a vent of there own. I didn't mark them in the drawings but if I need to vent each fixture I plan on using aav's on the lavs if possible. Thank you in advance for any suggestions
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