Invitation to tender using restricted procedure, deadline 14.06.2013, for supply and installation of a replacement SCADA system in the Kingsway and Queensway road tunnels under the River Mersey. Time limit for receipt of requests for documents or for accessing documents: 04.06.2013. Contract duration four years, value range EUR1.77-4.14 million, excluding VAT. Contact Merseytravel in Liverpool, website http://www.thechest.nwce.gov.uk/. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=156926-2013. 20/13.