Quote Originally Posted by matt4x4 View Post
That wall is fine, however, it tells me the ground under it isn't - it needs to be PERFECTLY level - which it definitely isn't.
I would install a sand cove with a ring of vapor barrier taped to the wall and laid on the floor onto which to build the cove - it'll stop any attempt at wash out...
That is the side where the seams let go and all the water rushed out, so I'm sure the ground underneath is pretty wrecked. The wall doesn't appear buckled like that elsewhere.