Below is a good presentation given to the City Council SPC regarding the extention of Ringsend.
Key facts not provided within the presentation include:
(1) Extension will cost €200-€250m
(2) Targetted completion date is 2015
(3) Current plant provides a treatment capacity for a 1.6m population equivalent. Extended plant will provide treatment capacity for 2.1m population equivalent – an increase of 31%
Project involves the construction of a tunnel of about 8-10km out into the bay that will discharge water treated to a secondary standard at that location.