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Thread: Removing 4" cast iron waste line

  1. #1
    DIY Junior Member Origen's Avatar
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    Aug 2012
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    Default Removing 4" cast iron waste line

    I have a 4' section of horizontal 4" cast iron soil pipe in a ceiling I need to remove/replace. It is full of waste. When I removed the ceiling I was bathed in human waste, and I would like to avoid that experience a second time! What would be the best way to drain it before cutting it out? Should I cut a slot with a grinder and place the bucket underneath? Drill it? Any help would be greatly appreciated.

  2. #2
    Plumbing Contractor for 49 years johnjh2o1's Avatar
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    Why not snake the line to allow it to drain?

    John

  3. #3
    Moderator & Master Plumber hj's Avatar
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    How is it connected? If with No-Hub couplings, loosen one end, put a barrel under that end, then lower it so the water runs into the barrel.
    Licensed residential and commercial plumber

  4. #4

    Default

    Care to share ,why it's full of waste ?

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