Periodic information notice of impending start of award procedures on 06.04.2010 for renovation of Langenauer (332 m) and Hollricher (319 m) tunnels, including new inner concrete shells to be placed concurrently with operation of the tunnels. This will require protective housing and specially installed centrally positioned single track in place of normal double track. Contract duration 14.6.2010 - 31.12.2012, estimated value EUR18.5 million, excluding VAT. More information from Manfred Sengeisen at DB ProjecktBau in Frankfurt am Main, tel +49 69265-45699, fax -92. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=033168-2010. 06/10.