Announcement by State Water department of intention to construct 1.2 km-long, 3.4 m-diameter main sewer. Contact fax +49 89 2332 4488. January 2000.Contract for 1.25 km-long x 3.4 m-diameter drive using slurry TBM in Quaternary ground awarded by municipality to Porr-Technobau/Porr-Asdag Tunnelbau, value $20 million. Construction period February-July, 2001 for opening end of year. Visit www.porr.ch October 2000.
