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nailfun 02-20-2007 06:48 AM

bath floor
 
:huh: I am trying to add a second bath to my home. For the first time Im planning to carve up a section of the concrete block slab and dig down three feet to my sewer line made of pvc to tie into. I intend to use a skilsaw with a diamond tip blade and sledge hammer the concrete out after that to save from hiring it out. My questions would be: Can I tie into the existing sewer line with a 90 degree angle without back up troubles? When I cut the floor will I hit rebar and I assume its ok to cut through it? Is the concrete about 4 inches thick like I think it is? And is it ok to have such a steap slope from the new bath toilet flange down three feet over a six foot distance across the room. Can I tie in the toilet new sewer line and the new shower drain line both at that 90 degree curve down in the floor at the main sewer line three feet under ground:huh: Or should I Y them off farther above that point? Help!!

Ron The Plumber 02-20-2007 06:20 PM

Quote:

Originally Posted by nailfun (Post 34065)
My questions would be: Can I tie into the existing sewer line with a 90 degree angle without back up troubles?

Use a wye combo.

Quote:

When I cut the floor will I hit rebar and I assume its ok to cut through it? Is the concrete about 4 inches thick like I think it is?
Sure no problem, hit rebar cut it out of your way.

Quote:

And is it ok to have such a steap slope from the new bath toilet flange down three feet over a six foot distance across the room. Can I tie in the toilet new sewer line and the new shower drain line both at that 90 degree curve down in the floor at the main sewer line three feet under ground:huh: Or should I Y them off farther above that point?
I'd maintain 1/4" per foot. So wjere ever seem good to you.

nailfun 02-20-2007 07:03 PM

1/4 inch per foot
 
to maintain a 1/4 inch per foot falloff i would have to dig up a section of the front yard and extend the lines out to keep a constant steady slope. is that correct or can i keep the line steap on the inside of the home slab and keep it simple at 6 inch fall of per foot to the main sewer line under the slab. the slab tapers at 1/4 inch per foot after the slab.
thanks for any input you can give.... i read everything even if i dont make any sense......

Ron The Plumber 02-20-2007 07:07 PM

Maintain 1/4" per foot till you get close to the connection, then make the drop.

nailfun 02-20-2007 10:28 PM

I bow
 
thank you for your assistance. I greatly appreciate it. :thumbup:

nailfun 02-20-2007 10:35 PM

You are wise


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