This is definitely going to need it's own build thread..... Feel free to start one NOW!!! Or sooner...I’m still working on my sump pit. Here are some pictures of the sump during construction and just recently when I painted the rubber membrane on it. I built a house on a slab and had the builder and foundation guy build me a 4’ long, 4’ deep by 32” wide concrete pit. The hoses from 2 tanks run to the pit.