PROJECTS
Dollymount Promenade & Flood Protection
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Client: Dublin City Council
Status: Detailed Design complete & Planning Received
Value: €15m
Roughan & O'Donovan were engaged by Dublin City Council in November 2006 to undertake a feasibility study and preliminary design for a combined walkway and cycleway on the seaward side of the existing James Larkin Road, linking the 1.9km stretch from the North Bull Island Causeway to the Wooden Bridge at Dollymount.
We were subsequently re-engaged in 2008 to undertake the Detailed Design and prepare the Environmental Impact Statement (EIS). Three distinct designs were proposed to provide an efficient and environmentally sensitive solution. These include a steel deck supported on piles, a retaining wall option which makes use of the existing grassy areas along the scheme and also cable stayed bridge structure supporting the promenade.
The promenade also reverts to a land based walkway in the final section leading to the junction with the Causeway Road.As the promenade will be located in the South Bull Lagoon in North Dublin Bay, one of Ireland’s most heavily environmentally designated sites, Roughan & O’Donovan placed utmost importance on the environmental considerations from the outset which drove the design philosophy.
The proposed DPFPP is within a European Site (candidate Special Area of Conservation and Special Protection Area) protected for its wintering birds and habitats. At Feasibility Design Stage detailed studies of the receiving environment were undertaken by our team of specialists to identify the constraints which informed the overall design process. Consultations included meetings with National Parks and Wildlife Service (NPWS) and all other stakeholders, a public consultation event and a presentation to a number of environmental groups.
Roughan & O’Donovan developed a solution that creates more intertidal mudflats than will be lost by the construction of the promenade which enabled Dublin City Council proceed to planning with a project that had satisfied the requirements of NPWS and other key consultees.
