Open invitation to tender, deadline 18.04.2013, for maintenance of E&M equipment on roads, tunnels and bridges in Liege province. Contract value EUR6,270,000-EUR25,080,000, excluding VAT, duration 18 months. Further info from RW-SPW-DGO1-DEEL, att.n Mr J. Rollus, Liege, tel +32 42545211, fax +32 42529526, e-mail jacques.rollus@spw.wallonie.be. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=089072-2013. 12/13.