Newlands Cross Upgrade EIS
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Newlands Cross Upgrade EIS December 2007 Kildare South Dublin County Council County Council South Dublin County Council N7 Newlands Cross Upgrade Environmental Impact Statement December 2007 Arup Consulting Engineers 50 Ringsend Road, Ballsbridge, Dublin 4 Tel +353 1 233 4455 Fax +353 1 668 3169 www.arup.ie Job number D 4556/11 South Dublin County Council N7 Newlands Cross Upgrade Environmental Impact Statement PREFACE The Environmental Impact Statement (EIS) for the Newlands Cross Upgrade consists of the following documents: Non Technical Summary Environmental Impact Statement (Main Text) including Non-Technical Summary and Appendices ACKNOWLEDGEMENTS This Environmental Impact Statement has been prepared by Arup consulting Engineers and their specialist environmental sub-consultants for South Dublin County Council. The assessment team draw primarily on in-house resources in traffic; construction activities; geology; soils; groundwater; air quality; climate; surface water and drainage; material assets and utilities. Specialist technical contribution was provided in: Archaeology, Architecture and Cultural Heritage by Margaret Gowen and Co. Ltd. Ecological Assessment by Natura Environmental Consultants Golf Design by Spring Golf Design Landscape and Visual by Mitchell and Associates Noise and Vibration by AWN Consulting Ltd. Photomontages by Modelworks Socio-Economic Assessment by Optimize EIS DISPLAY LOCATIONS Members of the public may inspect copies of the EIS document, including the Non-Technical Summary during normal office hours at the following location: South Dublin County Council Kildare County Council County Hall Aras Chill Dara Town Centre Devoy Park Tallaght Naas Dublin 24 Co. Kildare SDCC Clondalkin Civic Centre Kildare County Council Clondalkin Village National Roads Design Office Dublin 22 Maudlins Naas Co. Kildare The Non-Technical Summary is available for €10 from the above address. Complete copies of the EIS document can be purchased in hard copy for €50 and on compact disc for €10. This EIS will also be uploaded on the SDCC website www.sdcc.ie Arup Consulting Engineers December 2007 South Dublin County Council N7 Newlands Cross Upgrade Environmental Impact Statement PREFACE TABLE OF CONTENTS NON TECHNICAL SUMMARY GLOSSARY 1. INTRODUCTION........................................................................................................................1 1.1 Introduction ................................................................................................................................1 1.2 Purpose of this Report ...............................................................................................................1 1.3 Scope .........................................................................................................................................1 1.4 Planning Approval Process........................................................................................................1 1.5 EIS Methodology........................................................................................................................2 1.6 EIS Format.................................................................................................................................3 1.7 Review of Study Area ................................................................................................................4 1.8 Consultation Process .................................................................................................................4 1.9 Study and Design Team ............................................................................................................5 1.10 Difficulties Encountered during Study........................................................................................6 2. PLANNING POLICY CONTEXT................................................................................................7 2.1 Introduction ................................................................................................................................7 5 2.2 National Development Plan 2000 – 2006 .................................................................................7 6 2.3 National Development Plan 2007 – 2013 .................................................................................8 7 2.4 National Spatial Strategy 2002 – 2020 .....................................................................................9 8 2.5 Strategic Planning Guidelines for the Greater Dublin Area 1999 .............................................9 9 2.6 DTO “Platform for Change” – Strategy 2000 – 2016 ..............................................................10 10 2.7 South Dublin County Council Development Plan 2004 – 2010, and Variation .....................11 12 2.8 Transport 21 ..........................................................................................................................12 2.9 Other Policy Documents ..........................................................................................................12 3. BACKGROUND TO PROJECT / ALTERNATIVES................................................................15 3.1 Introduction ..............................................................................................................................15 3.2 Need for the Proposed Scheme...............................................................................................15 3.3 Adjacent Land Uses.................................................................................................................16 3.4 Existing Junction Layout ..........................................................................................................17 3.5 Alternatives Considered...........................................................................................................17 3.6 Detailed Consideration of Overpass and Underpass Options .................................................19 3.7 Construction.............................................................................................................................20 3.8 Planning Constraints................................................................................................................24 3.9 Noise and Vibration..................................................................................................................24 3.10 Air Quality & Climate................................................................................................................36 3.11 Landscape and Visual..............................................................................................................42 3.12 Socio-Economic Impact ...........................................................................................................50 3.13 Surface Water and Drainage ...................................................................................................62 3.14 Economics................................................................................................................................64 3.15 Conclusions and Recommendations .......................................................................................65 4. THE PROPOSED SCHEME ....................................................................................................67 4.1 Introduction ..............................................................................................................................67 4.2 Scheme Design Overview........................................................................................................67 4.3 Scheme Construction...............................................................................................................74 Arup Consulting Engineers December 2007 Page i South Dublin County Council N7 Newlands Cross Upgrade Environmental Impact Statement 5. TRAFFIC AND TRANSPORT .................................................................................................83 5.1 Introduction ..............................................................................................................................83 5.2 Outline Process........................................................................................................................83 5.3 Existing Junction Layout ..........................................................................................................83 5.4 Other Committed Transport Schemes .....................................................................................85 5.5 Operation of Proposed Newlands Cross Junction...................................................................85 5.6 Area-wide Modelling ................................................................................................................86 5.7 ‘Do Minimum and ‘Do Something’ Scenarios ..........................................................................87 5.8 Traffic Capacity Analysis..........................................................................................................88 5.9 Cost Benefit Analysis ...............................................................................................................93 5.10 Construction Traffic..................................................................................................................93 5.11 Conclusions..............................................................................................................................94 6. SOILS, GEOLOGY AND HYDROGEOLOGY.........................................................................95