Invitation to tender by negotiated procedure, deadline 12.01.2011, for ground water monitoring on Follo railway from Oslo to Ski. Contract duration 01.03.2011-31.12.2020, value EUR1.97 million excluding VAT. Further information, specs and docs from Joern Groendal at Jernbaneverket in Oslo, tel +47 91656252, fax +47 22455499, e-mail grjo@jbv.no to whom tenders or requests to participate must be sent. Time limit for access to documents 05.01.2011. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=380012-2010. 51/10.