So, I have an old Sump in my house (built 1960), that currently does not have a functioning pump in it. I plan on replacing the pump and running new exit pipe however, I'm stumped on how to close/cap the sump hole. I mostly want to cap it to reduce radon gasses in my house (we did a reading
The reason is because my sump is only 14.5" across, and 24" deep so all of the standard "sump containers" simply don't fit.
Luckily, groundwater flooding in my neighborhood is very uncommon (the pump I threw out was a 1970's pump that had rusted to no function).
Does anybody know of either a:
A) source of small sump containers?
B) Some way to install a cap on flat concrete?