Airtight drains that still allow water to flow

I’m trying to build a super tight and dry house.  I have 4 drains in my basement going to a sealed sump pump.  Unfortunately my builder didn’t follow the plans… I’m trying to build a super tight and dry house.  I have 4 drains in my basement going to a sealed sump pump.  Unfortunately my builder didn’t follow the plans…Read MoreGreenBuildingAdvisor