A perforated pipe placed in a bed and covered with clear stone designed to channel water away from a foundation. The drain tile will either enter the municipality’s storm sewer system through a palmer valve located inside of the basement floor drain. This is typical in the City of Milwaukee and as a result, homes generally do not have a sump pump. In many other communities the drain tile empties into a crock with a sump pump and is pumped out to a point away from the foundation. The pump is activated by a float switch which turns it on when the crock fills to a preset level.

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