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Old 05-03-2008, 12:07 PM   #1
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What is it? A Sump Pump or Tub Drain


I have attached a photo which shows my question. My basement is pre-stubbed for a bathroom. It contains 3 different drain stubs. I can pretty much guess what 2 are for but the 3rd one baffles me and I've gotten mixed answers from people whom I ask at my house. As the attached photo shows, the 3rd drain comes out of the slab in a square tray area that contains earth such as rock and dirt (no concrete). I'm wondering if this is for a optional sump pump or if it is for a tub drain. It is located towards the solid poured concrete wall which is sub level. My basement is considered a day-light type basement which contains one wall on the back of the home that is finished with wood and windows. The other two walls of the basement have a step down type poured wall pretty much even with the downward slope of the exterior grade. The sewer line goes down hill towards the back of my house so there is no reason to pump water up to the public sewer system. Someone please look at this photo and let me know what it is exactly, it's killing me and also holding me from finishing the basement bathroom.

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Old 05-03-2008, 12:44 PM   #2
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What is it? A Sump Pump or Tub Drain


if that "drain" is 2" most likely it is a shower

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Old 05-03-2008, 01:03 PM   #3
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What is it? A Sump Pump or Tub Drain


why is there a square plastic top casing with dirt in it as opposed to having it finished with concrete like the other 2 pipes? It is in fact a 2" pipe.
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Old 05-03-2008, 02:35 PM   #4
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What is it? A Sump Pump or Tub Drain


I dont know Heck I got the 2" part right, I have never seen that setup before.
Where are all our plumbers when ya need one ? LOL LOL LOL Just like cops out drinking coffee and eating those free doughnutz
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Old 05-03-2008, 03:09 PM   #5
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What is it? A Sump Pump or Tub Drain


The pipe in question is a drain for a tub. The box around it is to allow the waste and overflow (tub drain) to be recessed into the floor once the tub is installed. This is a very typical installation.
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Old 05-03-2008, 03:33 PM   #6
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What is it? A Sump Pump or Tub Drain


I understand... Is this in relation to the actual drain finishing such as "p-trap" allowance? Thanks for the vote of confidence in taking the next step towards finishing that much needed basement bath...

??? What's the possibility of these stubs containing a "p-trap" plumbing part just under the concrete surface level? or what's the possibility that these stubs go to a 90 degree plumbing elbow just under the concrete surface level? I also asume that it simply goes towards the main home drain which leads then to the public sewage lines?

Thanks for the info....
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Old 05-03-2008, 06:53 PM   #7
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What is it? A Sump Pump or Tub Drain


DAMN!!!!!!!!!!!! YA SEE THAT??????????? Mention free doughnutz and coffee and POOF a plumber shows up ROFLMAO
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Old 05-03-2008, 06:58 PM   #8
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What is it? A Sump Pump or Tub Drain


The recess is needed because the drain assembly, called a "Waste and Overflow", extends below the floor level on a standard tub. On upper floors a cut out in the subfloor is made to accommodate the drain. On slabs a "tub box" like the one in your picture is used.

There is most likely a p-trap directly below the box. You can check this when you dig it out, which you need to do to make sure. The p-trap is necessary once the tub is installed. Since it looks like the pipe in question is 1 1/2" that probably means that there is a bushing on top of the trap because most codes prohibit pipes smaller than 2" beneath a slab.

Hope this helps.
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Old 05-03-2008, 07:02 PM   #9
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What is it? A Sump Pump or Tub Drain


By the way, I like the chocolate covered glazed ones the best.
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Old 05-03-2008, 07:57 PM   #10
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What is it? A Sump Pump or Tub Drain


OK u got it I get the jelly and you get the rest LOL. But NOT the crumb buns THEY IZ MINE!!!!!!!!!!!!!!!
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Old 05-03-2008, 11:04 PM   #11
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What is it? A Sump Pump or Tub Drain


that pipe "in-question" is ACTUALLY 2" DIAMETER whichs makes this a case solved. Thanks for your help and advice. I don't really like doughnuts... that is... unless they're Krispy Kreme Blueberry.

Thanks again.

--out--
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Old 05-04-2008, 11:36 AM   #12
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What is it? A Sump Pump or Tub Drain


roger, wilco 1200
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Old 05-04-2008, 05:46 PM   #13
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What is it? A Sump Pump or Tub Drain


Damn it sure is nice when a plan comes together...
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Old 05-04-2008, 06:12 PM   #14
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What is it? A Sump Pump or Tub Drain


It sure iz eh? munch,munch

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