commercial drainline/sewer

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    • #279368

      told by inspector venting under slab incorrect for restrooms, kitchens, floor drains & sinks- would like solution/diagram, if possible, for no hub layout, did floor cleanouts, not wall cleanouts, please advise. Thanks, so much.

    • #300657
      Retired plbg1

      You are not explaining much what he said, all your vents start under floor and go 42″ above floor, maybe you were connecting them all together under floor, send me a drawing and i can see what you are talking about.

      Art retired plbg

    • #300658

      I will take a wild guess and say that you probably have horizantal vents below the slap. If this is the case you may be better served putting in a combination waste vent system ( oversize drain to allow for venting ). Your code book explains how thoroughly. Your best bet is meet with the inspector and ask.

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