Invitation to tender by negotiated procedure, deadline 03.12.2009, for construction site supervision services and assistance in checking tender documents for section PFA 2.3, Stuttgart21 project. Contract duration 01.04.2010 - 31.12.2017. Contact Joachim Miehle at DB ProjektBau GmbH in Stuttgart, tel +49 71193319-366, e-mail joachim.miehle@ deutschebahn.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=319800-2009. 48/09.