My home as a drainage system that consists of several pipes and tile that meet at a 4" pipe that exists out into a valley on my property about 100' feet from the house. The issue I am having is this same system is also hooked in to 4" drain in the basement and in the spring when we have ice melting and freezing the line gets froze over and then backs up into the basement. I was thinking about installing a sump pump to deal with the problem, but I am not sure where the pipes in the floor are located and I am afraid I might split one when making the hole for the pit. Any ideas?