Drainage system headaches
Posted by Greg Thomson on July 21, 1998 at 13:20:45:
I recently purchased a home in the Finn Hill area of Bothell.
The house sits on a sloping hill and the previous
owner had trouble with water seeping through the walls into the garage and basement
area.
He had a waterproofing company install a drainage system to fix this problem.
The system is like none I've ever seen. In the garage
there is a faucet that runs into a copper pipe
that flushes out any sediment in the system.
Additionally, there are two access points to the drainage
system in the downstairs bedroom, one in the closet and another is
a metal grate in the corner. Just before we moved in the previous owner
attempted to flush the system. He left the faucet in the
garage running for about 20 minutes.
He then discovered that the system had backed
up, flooding the downstairs bedroom. After replacing
the carpet and having the waterproofing company that
installed the system come out to check it, we were assurred
that the system was clear. Shortly after moving in, the downstairs toilet became
clogged - we then discovered that it was backing up into one of the access points covered
by the metal grate in the bedroom.
The fact that the drainage system is connected
to the sewer concerns me. It also seems odd to have
a grate that is seemingly supposed to be
exposed underneath carpet in a bedroom.
The owner doesn't have the as-builts and
the drainage company refuses to give us a
copy.

Needless to say I'm very suspicious that
the system was installed improperly if not
illegally.

I'd appreciate any advice as far as where
I can get some objective advice on how to proceed.

Thank you for your time.


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