I'm going to be building a concrete sump hole in my basement. The hole that has been there for 16 years was just a hole in my clay floor.
At the other end of the basement I bought a plastic one, but I really don't like it because it is deeper than it is wide, so it is really more suited to the pedestal type pumps rather than the submersibles that I like.
So-- my current plan is to build a 30" square about 2 feet deep. 3" concrete bottom & sides with a PT wood cover from 2x6s. It will be water tight except for the access holes for my interior perimeter drains-- bottoms of those drains are about 10" below what will be the top of the concrete [or paver?] floor.
I'm toying with the idea of having one end of the hole lower so silt runs into it, and there is less standing water in the hole. [the pump would be in the low end]
Any other thought from folks who have cursed [or appreciated] their sump holes?
Jim