Baffle question in old septic tank

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by Onokai, Feb 10, 2013.

  1. Onokai

    Onokai Member

    Apr 19, 2012
    Later this week I'm getting rid of the last section of old red clay pipe that feeds my small 500 gallon septic tank.I'm putting in 4 inch sewer and drain . Its about a 10 foot run with a no/hub onto cast iron which is working fine under house. The tank has a cement baffle stuck on side of tank which is about foot and 1/2 long and looks like a 10 inch concrete pipe spit in 1/2 stuck to side where the clay pipe enters tank- this baffle could be longer so it works better. I have a choice to just plumb the plastic pipe like the red clay was flush to inner wall or knock off the baffle and make a new one from a sanitary tee or regular tee with a piece on the bottom to recreate the baffle.
    What's the best method ?
    As I need to have it all ready the day I have the tank pumped out.

    Also should I seal the plastic pipe to tank on the outside with Hydraulic Cement or something else?

    I have some nasty cedar roots that always want into this tank via the lid so a tight seal is key.
    Last edited: Feb 10, 2013
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