Invitation to tender by negotiated procedure, deadline 06.02.2009, for construction of district heating mains in Ventspils, including tunnel beneath Venty river. Tenders or requests to participate should be sent to Ieva Uluka in Riga, tel +371 670 26402, e-mail ieva.uluka@vidm.gov.lvhttp://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=849-2009 02/09.