The Arge Marti Entlastungsstollen Thalwil c/o Marti Tunnel AG from Moosseedorf secured the EUR 89.46 million (CHF95.37 million) contract for the Thalwil relief tunnel (diameter 6.60 m, length 2014.15 m) to transfer flood peaks of the Sihl river into Lake Zurich and thus protecting the lower Sihl valley and Zurich from extreme floods (Lot 1). Contact Baudirektion Kanton Zürich, AWEL Amt für Abfall, Wasser, Energie und Luft, attn Hannes Zotter, Zurich, tel +41 43 259 55 85, email hannes.zotter@bd.zh.ch . For further information click here (German/French) and visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=543091-2021. Ref.n. 85W-745. 43/21.
