Open invitation to tender, deadline 14.09.2011, for construction of concrete lining to existing tailrace floor and walls at Martigny-Bourg hydro station, levelling where necessary. Further information, specs and docs from Nicolas Betrisey at Hydro Exploitation in Sion, e-mail ben@hydro-exploitation.ch to whom tenders or requests to participate must be sent. Time limit for accessing documents 22.08.2011. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=245108-2011. 31/11.