Open invitation to tender, deadline 14.12.2015, for provision of a Defra Technical Adviser for the Thames Tideway Tunnel Project. Duration contract 36 months from award. Contact Defra, att.n Angela Johnson, tel +44 1904455198, e-mail angela.johnson@defra.gsi.gov.uk. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=413646-2015. Ref.n. 413646. 48/15.