Re:Ask HN: How do I start building an underground community
by brodouevencode on Tuesday September 22, 2020 @10:11AM
(#24554534)
There's a whole complex system of pumps and drains that take care of this. Same is true for any subway system, underground parking, etc. It ain't gonna be cheap though.
EDIT: shotcrete will help some, but is not a solution to. You need a membrane as all concrete is permeable.
EDIT: shotcrete will help some, but is not a solution to. You need a membrane as all concrete is permeable.