Prior Information Notice for the design and construction of a treated effluent discharge system from the Ringsend Waste Water Treatment Works to the Irish Sea in Dublin Bay, including a 9 km-long sea outfall tunnel. Contract duration 48 months. Contact Dublin City Council Environment and Engineering Dept, attn Executive Manager, Dublin 8, tel +353 12222022, fax +353 12222323, e-mail engineering@dublincity.ie. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=221077-2012. 29/12.