Sinks and vents
Posted by Tony on April 18, 2003 at 12:16:24:
This a primitive drawing of the drain system.

. |
. |
. |
. /|
. | |
. | | BSink2 KSink2
. | |____|_________|
. | |
. | | 2nd Floor
.===============================
. | |
. | |
. | |
. | |
. | |
.BSink1| | KSink1
. |___| | |
. | | |
. | | |
. \ | |
. | |
. | |
. | | 1st Floor
.===============================
. | |
. | |
. |________|
. |
. | <----to main drain


Here's the story....
I had a plumber come over and do whatever was neccesary for a CO.
When I got the 2nd floor apartment rented some 6 months later...
BSink1 will back-up, over flow, and then drain slowly.
I have snaked the pipes from BSink2 to basement, and BSink1 to basement.
I also snaked out the pipe in the basement from below the KSink1 connection out to street,
and from the basement floor cleanout to street.
This did not reveal any major blockages, and the problem still occured.
I then tried chemicals in BSink1 and KSink1, and the problem still occurs.
I am thinking:
a) BSink1 is not connected to line correctly, it should be tied in below the KSink1 connection.
or
b) BSink1 is not connected to line correctly, the vent line should break into drain line above sinks BSink1 and KSink1.

All lines into sinks are 1 1/2" PVC.
All sinks have "P" or "S" traps, made of PVC.
All risers are 2" PVC.

Any suggestions or comments would be appreciated.
Thank you.
nohome@optonline.com


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