basement slab

  1. Hawk47

    Existing drain too shallow for new basement bath?

    I am getting started on adding a basement bath. I tore up the concrete where I plan to tie into the existing 4 inch ABS main drain; about 3 feet from where it leaves the house. The existing pipe is much shallower than I expected: At this location, which is the farthest downstream where I can tie...
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