Wirral Coastal Strategy Main Document
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Wirral Borough Council June 2012 Wirral Coastal Strategy Main Document Prepared for: Prepared by: ............................................................. Checked by: ........................................................................ Heather Armour Alan Williams Engineer Technical Consultant Approved by: ............................................................. David Wells Regional Director Wirral Coastal Strategy Main Document Rev No Comments Checked by Approved Date by 1 Draft Issue for Client Comment AJW DW 29.06.2012 2 Draft for Consultation AJW DW 30.07.2012 Exchange Court, 1 Dale Street, Liverpool, L2 2ET Telephone: 0151 331 8900 Website:http://www.aecom.com Job No: 60216711 Date Created June 2012 This document has been prepared by AECOM Limited for the sole use of our client (the “Client”) and in accordance with generally accepted consultancy principles, the budget for fees and the terms of reference agreed between AECOM Limited and the Client. Any information provided by third parties and referred to herein has not been checked or verified by AECOM Limited, unless otherwise expressly stated in the document. No third party may rely upon this document without the prior and express written agreement of AECOM Limited. f:\projects\ports & harbours - wirral coastal strategy\8.0 reports\coastal strategy plan\strategy report\strategy report\12.07.30 stratgey report\wirral coast protection strategy study 2012_rev 1.docx Table of Contents 1 Introduction to the Strategy ............................................................................................................................................. 5 1.1 Background ........................................................................................................................................................... 6 1.2 Purpose of the Report ............................................................................................................................................ 6 1.3 Structure of this Report .......................................................................................................................................... 7 2 Description of the Area ..................................................................................................................................................... 8 2.1 General .................................................................................................................................................................. 9 2.2 Strategy Frontage Overview ................................................................................................................................ 11 3 Coastal & Land Use Planning and Policy ...................................................................................................................... 22 3.1 North West England and North Wales Shoreline Management Plan 2 ................................................................ 23 3.2 Tidal Dee Flood Risk Management Strategy ....................................................................................................... 26 3.3 Other Strategic Planning Initiatives ...................................................................................................................... 27 4 Overview of Current Conditions & Behaviour .............................................................................................................. 30 4.1 Introduction .......................................................................................................................................................... 31 4.2 Liverpool Bay ....................................................................................................................................................... 31 4.3 Dee Estuary ......................................................................................................................................................... 34 4.4 North Wirral Coast ............................................................................................................................................... 35 4.5 Mersey Estuary Coast ......................................................................................................................................... 35 4.6 Review & Definition of Flood & Coastal Erosion Risk .......................................................................................... 36 5 Issues & Opportunities ................................................................................................................................................... 44 5.1 Stakeholder Engagement .................................................................................................................................... 45 5.2 Definition of Problems & Issues ........................................................................................................................... 45 5.3 Strategy Wide Issues ........................................................................................................................................... 49 5.4 Key Themes arising from Stakeholder Engagement ............................................................................................ 50 5.5 Opportunities ....................................................................................................................................................... 50 5.6 Partnership Opportunities .................................................................................................................................... 52 6 Strategic Aims and Objectives ....................................................................................................................................... 53 6.1 SMP2 Objectives ................................................................................................................................................. 54 6.2 Objectives for Strategy Delivery........................................................................................................................... 56 6.3 Objectives for Strategy Implementation ............................................................................................................... 56 7 Definition of Options ....................................................................................................................................................... 58 7.1 Methodology ........................................................................................................................................................ 59 7.2 Definition of “long list” of options .......................................................................................................................... 59 8 Environmental Assessment ........................................................................................................................................... 69 8.1 Introduction .......................................................................................................................................................... 70 8.2 The requirements for the Wirral Coast Protection Strategy ................................................................................. 70 8.3 Overview of the SEA Process .............................................................................................................................. 70 8.4 Overview of the HRA Process ............................................................................................................................. 71 8.5 Overview of the WFD Process ............................................................................................................................. 72 9 Evaluation & Selection of Preferred Options ................................................................................................................ 75 9.1 Introduction .......................................................................................................................................................... 76 9.2 “Long List” Appraisal ............................................................................................................................................ 76 9.3 Definition and Appraisal of Short list of Options ................................................................................................... 77 10 Preferred Strategy ......................................................................................................................................................... 105 10.1 Description of the Preferred Strategy ................................................................................................................. 106 10.2 Economic Assessment ...................................................................................................................................... 111 10.3 Summary of Environmental Effects of the Strategy and Proposed Mitigation .................................................... 115 11 Strategy Implementation .............................................................................................................................................. 116 11.1 Introduction ........................................................................................................................................................ 117 11.2 Funding Arrangements ...................................................................................................................................... 117 11.3 Implementation