smmm
enthusiast
Reged: 01/15/04
Posts: 239
Loc: Ohio
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The house we are thinking about buying was not "rough plumbed" for a basement bathroom. Does this negate putting a bathroom in the basement or is there another way to put in drains???
Thanks
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skarecrow
enthusiast
Reged: 07/30/03
Posts: 308
Loc: at the base of the project
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No, not typically, if you can determine where the drain line runs, it is a ,beleive it or not, reasonably simple chore of : 
cutting a 'slot' in to where the toilet shower etc will go. I did a 1/2 a dozen this spring for friends, no snags. A good friend who runs a local plumbing company charges about 1300.00 to locate, cut out floor, rough in, and patch. My dad helped me once, and a week later he was doing one at my uncles house.
Note: check thoroughly first location, possible obstructions, and local municpal codes.
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I renovate against the grain... I do it right the first time.
Edited by skarecrow (10/16/07 04:21 AM)
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Bob_Fleming
Carpal Tunnel
Reged: 06/28/01
Posts: 23964
Loc: Eagle, CO USA
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Should be ok IF the house drain to the street is below the basement floor. If the drain is above that, it gets complicated.
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CabinConnection
Big Foot
Reged: 01/20/04
Posts: 21244
Loc: The Indianhead's Left Nostril....
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It's not too difficult... As mentioned, if the main drain pipe is far enough below the basement slab, then it's "just" cutting the floor and doing the plumbing. Keep in mind that the toilet/shower drains need a 1/8"-1/4" per foot pitch to drain, so you need to accommodate for this when you plan the fixture locations relative to the drain pipe.
If you can't gravity drain the fixtures, there are numerous "grinder pumps" available which will collect, grind, and pump the effluent up to the home's drain system.
Bottom line - it's doable.
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EAP
Mister ED
Reged: 09/23/03
Posts: 9582
Loc: The HEARTland - Ohio
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Good advice so far.
I would add that of all DIY projects, this would be the most difficult to accomplish. If you are not handy or experienced in this kind of renovation, I would either take time to learn or hire the critical work out such as doing the drains.
You literally only have one chance to get it right. If not, then you have to go through and redo the whole thing or the most difficult parts for sure.
And, as one mentioned above, there must be enough room for proper slope of the drains. That uaually means you must be close to a stack or underground drain. If you have a 40 foot basement and the drain is on the other end, you need 10 inches or so of slope alone. Usually you can not accomplish this as plumbing under a slab usually sits about 8-12 inches down. There is little wiggle room for PVC joints etc.
The other alternatives are to install a macerating pump system like the Saniflo system. Or another mnore costly option is an ejector sump pit and pump.
There is another thread in the Plumbing forum where a person has recently completed a basement bath using a macerating pump system.
At any rate, might be wise to do some homework to learn more in-depth about all options.
www.saniflo.com
Good luck.
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Ain't no cure for the summertime HOTS
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CabinConnection
Big Foot
Reged: 01/20/04
Posts: 21244
Loc: The Indianhead's Left Nostril....
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Quote:
You literally only have one chance to get it right. If not, then you have to go through and redo the whole thing or the most difficult parts for sure.
HA HA! I "fondly" remember the first one of these I did...
Was a gravity feed design, I'd finished cutting the concrete, lay'n in the new pipes, and pouring the new floor. As I was cleaning up the basement, I noticed the shower trap sitting on the basement steps! 
DRAT! 
Needless to say, had to remove a whole section of concrete and re-do that portion of the system...
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EAP
Mister ED
Reged: 09/23/03
Posts: 9582
Loc: The HEARTland - Ohio
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The ole trapped by a trap trick! 
Oh crap!
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Ain't no cure for the summertime HOTS
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