Invitation to tender using negotiated procedure, deadline 14.03.2013, 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 Drainage Division - Executive Manager, Dublin 8, tel +353 12222022, fax -323, e-mail ringsendextension@dublincity.ie. Register your interest to this tender on https://irl.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=60723&B=ETENDERS_SIMPLE. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=410199-2012. 52-53/12.