| Are you thinking of trenching around the outside of the foundation for your curtain drain tiles or are you going to cut a trench in the basement fllor? Which ever you choose you need to connect those tiles to the pit inside the basement. The pit shouldbe back filled with gravel and the cemented in. The pump sits down inside th pit and can be submersible of pedestal, up to you. Most pumps have acheck valve built in but check since you should have one for the 1 1/2" pipe going outside. |