After you've sorted out the W&B, contact Glasfaser, if you haven't
already done so. I've found them to be easy to deal with and helpful.
They probably have the drawings you need and may be able to supply the
missing water dump parts too.
Web:
http://www.streifly.de/
E-mail:
in...@streifly.de
--
Martin | martin at
Gregorie | gregorie dot org