Greater Dublin Drainage (GDD) Marine SI


ABCO Marine (IRL) Ltd were contracted by Irish Water as principal contractor for Greater Dublin Drainage (GDD) Marine Site Investigation project.

The offshore site investigation is to aid in and inform the design of a long sea outfall for the GDD Scheme at Portmarnock, Co. Dublin, Ireland. The works were intended to provide information for Irish Water in respect of the ground conditions along the alignment of the proposed outfall and at the location of the proposed diffuser head. 

All marine equipment and project operations were supported from Howth Harbour, including the mobilisation of C59 Emotion Jack Up Barge. 

Project Information

The scope of works included a total of three overwater boreholes in water of up to 20m depth, as well as 10 vibrocores, all conducted from C59 Emotion Jack Up Barge.


Irish Water


July - September 2015

Client Representatives

Mr David Conneran, Irish Water Clients Representative


Site Investigations

Sign Up to our Newsletter

Regulated by

ISO Certification is only applicable to ABCO Head Office at Lisburn

A unique feature of ABCO is the various roles that come together in the delivery of our projects. Click to see a list of some of the roles in our team:

Head Office

282 Moira Road,
Co Antrim,
BT28 2TU

+44 (0)28 9262 2731

This email address is being protected from spambots. You need JavaScript enabled to view it.

Copyright © ABCO Marine 2020. ALL RIGHTS RESERVED.