Poured concrete foundation
Yes, they leak. There is a cold joint where the floor, wall and footing come together and this can cause leaking with the right amount of ground pressure.
Trenched opened up
First thing is to open a trench for the waterguard
Install sump liner
As you can see, there is a fair amount of water under the floor of this home.
Install waterguard and wall membrane
In this case, the customer opted for the cleanspace wall membrane.
Tuff top lid
The last step was to re-concrete the floor and and complete the sump system with the optional lid.