The bottom of the egress window can't be more than 44 inches with the finished floor of your basement to allow occupants to access it with no support of the ladder or stepstool. Together with the requirements for your window itself, the window effectively need to fulfill the subsequent needs: https://basementegresswindowbuffa.59bloggers.com/33042833/new-step-by-step-map-for-sump-pump-installation