Qualification system with call for competition for the registration of National Grid Plc‘s suppliers, contractors and service providers (vendors) belonging to 27 categories and including Tunnels Consultancy (4.6.12), Rail Tunnel Doors (1.54.11) and Tunnelling & Shafts (4.1.7). Northern Powergrid Ltd and associated companies will use the UVDB system (Utilities Vendor Database). Contact National Grid Plc, attn UVDB Team, Warwick, tel +44 1235861118, http://www2.nationalgrid.com/Contact-us/Procurement. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=412627-2014. Ref.n. National Grid-QSN-Services-Nov 2014. 49/14.
