Water is the common enemy of all constructions...
well, besides the landlord business, I been a home builder over 10 years, also own an interest in a concrete/excavating business, so I know a few things about foundations.
usually before the house was build, there are footers, and along them footers, there are underslap drainage systems, which make up of perforated pipes or so call weeping tiles, these tiles are surround by stone or gravel and sand, not soil, they are interconnected, and parallelly run for load balance, just incase one of them is clogged, all the under water collected thru these tiles usually goto a sump pump, and pump out to surface ground, but in your case, instead of a sump pump, they connected to the storm water line.
After the concrete walls are form, the outside perimeter tiles are then connected to underslap tiles, also important that the house should only back fill with gravel and sand, not dirt, some builders try to cut corner on that, which can cause flood later, this way there wouldn't be standing water surrounding the house.
http://blog.wenxuecity.com/blogview.php?date=200904&postID=39868
well, besides the landlord business, I been a home builder over 10 years, also own an interest in a concrete/excavating business, so I know a few things about foundations.
usually before the house was build, there are footers, and along them footers, there are underslap drainage systems, which make up of perforated pipes or so call weeping tiles, these tiles are surround by stone or gravel and sand, not soil, they are interconnected, and parallelly run for load balance, just incase one of them is clogged, all the under water collected thru these tiles usually goto a sump pump, and pump out to surface ground, but in your case, instead of a sump pump, they connected to the storm water line.
After the concrete walls are form, the outside perimeter tiles are then connected to underslap tiles, also important that the house should only back fill with gravel and sand, not dirt, some builders try to cut corner on that, which can cause flood later, this way there wouldn't be standing water surrounding the house.
http://blog.wenxuecity.com/blogview.php?date=200904&postID=39868
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