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    cdx2's Avatar
    cdx2 Posts: 7, Reputation: 1
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    #1

    Feb 12, 2007, 12:21 PM
    Basement Roughin
    I have noticed numerous questions so I thought I would ask mine. I have attached a "rough" diagram of the basement. I am trying to determine where the vanity drain would be. I think it should be by the X. It is cast below the foundation and pvc above. I am assuming I need to cut by the x and put a t into connect to the sink drain. Ptrap of course , etc. The shower drain needs to be moved over about 2 feet. It must have a p trap under the slab since it holds water. What is the easiest way to connect pvc to cast? It looks like they used some type of slip fitting inside the cast with epoxy to hold it? ANy help is appreciated Thanks
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    2. doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
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    #2

    Feb 12, 2007, 10:59 PM
    Quote Originally Posted by cdx2
    I have noticed numerous questions so I thought I would ask mine. I have attached a "rough" diagram of the basement. I am trying to determine where the vanity drain would be. I think it should be by the X. It is cast below the foundation and pvc above. I am assuming I need to cut by the x and put a t into connect to the sink drain. Ptrap of course and etc. The shower drain needs to be moved over about 2 feet. It must have a p trap under the slab since it holds water. What is the easiest way to connect pvc to cast? It looks like they used some type of slip fitting inside the cast with epoxy to hold it? ANy help is appreciated Thanks
    I would be concerned if your drawing is accurate.
    Connect pvc to cast iron with black rubber connectors having hose clamps that comes with.
    cdx2's Avatar
    cdx2 Posts: 7, Reputation: 1
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    #3

    Feb 13, 2007, 07:59 AM
    What is the concern? It was union plumbers who did the rough in. I have not had a chance to call them yet.
    doug238's Avatar
    doug238 Posts: 1,560, Reputation: 62
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    #4

    Feb 13, 2007, 10:34 AM
    According to your drawing, the toilet is flowing by the tub/shower with no vent. This is not legal and it causes a suction on the tub trap to empty the trap
    cdx2's Avatar
    cdx2 Posts: 7, Reputation: 1
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    #5

    Feb 13, 2007, 12:00 PM
    My drawing may be off since I did not see the toilet drain before they poured the slab. I will call them to confirm but I think the toilet goes to the ejector pump and vents through the vent before the pump. If so would the x be the correct location for the vanity drain
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #6

    Feb 13, 2007, 01:32 PM
    Hold the phone! If the drawing reflects what's under the slab then you're in deep doo-doo.
    First off, as Doug pointed out, you are discharging a major fixture mast a unvented minor one and you can't do that.
    Second, yiou have combined the fixture vent with the dedicated ejector pit vent. Dedicated means just that. The pit vent MUST be separate from the house system.
    Thirdly, The loop that you've placed the X on is unnecessary. The vanity can drain into either of the raisers shown.

    Sorry I couldn't be more supportive. Regards, Tom
    iamgrowler's Avatar
    iamgrowler Posts: 1,421, Reputation: 110
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    #7

    Feb 13, 2007, 05:04 PM
    My faith in the competency of Union Plumbers has been even further eroded.
    cdx2's Avatar
    cdx2 Posts: 7, Reputation: 1
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    #8

    Feb 15, 2007, 08:38 AM
    The plumbers will be coming out next week to go over the setup with me. I will update post when I have all the info from them
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