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The Nicholas O’Dwyer team provides comprehensive services across a wide range of different types of collection systems. This encompasses all elements of the collection system from sanitary collections points to the large scale wastewater transfer pipelines; and includes gravity sewers, pressure sewers and pump stations, for both wastewater and surface water.

Preliminary engineering design provided by the firm has include catchment and network assessments; condition surveys; hydraulic modelling for future design horizons; outline design optioneering and value engineering and the delivery to the client for investment approval of an accurately costed preliminary design.

 At the detailed design and procurement stage, services include detailed engineering design;  preparation of contract documents; land search and mapping; planning documents and consents; wayleave, land purchase and other stakeholder consultations; environmental assessments; hydraulic analysis, modelling & optimization; and the statutory Health and Safety roles.

Recent Project(s)

Cork Lower Harbour Main Drainage Scheme, Ireland

Winner of the prestigious title of ENGINEERING ENDEAVOUR 2021 by Engineers Ireland! Project proposed to transfer wastewater from the Cork Lower Harbour to a new 80,000pe wastewater treatment plant site at Carrigaline.


Dublin Docklands Rising Main Scheme, Ireland

Design and provision of 3.5km of twin 500mm dia. rising mains, along with supervision of the design and construction of a 250,000 p.e. pumping station.



Gerard Monaghan

+353 1 296 9001