Invitation to tender using negotiated procedure, deadline revised from 02.04.2012 to 10.04.2012, for civil engineering consultancy services involving UFP30 contract for groundwater monitoring on 23 km-long twin-track Farriseidet-Porsgrunn section, which will be substantially in rock tunnels. Contract commences 25.05.2012 for completion 31.12.2017. Register interest at www.doffin.no/Search/Search_Switch.aspx?ID=251825. Further information, specs and docs from Oystein Islann at Jernbaneverket in Tonsberg, tel +47 40435349, e-mail oystein.islann@jbv.no to whom tenders or requests to particpate must be sent. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=092093-2012. 12/12.