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Habitats Regulations Assessment of the Local Plan Part 1 Winchester Local Development Framework Habitat Regulations Assessment (HRA) Report HRA (AA) of Submission Core Strategy June 2012 prepared by HABITATS REGULATIONS ASSESSMENT (APPROPRIATE ASSESSMENT) REPORT Winchester City Council Core Strategy - Submission Prepared for: Winchester City Council date: June 2012 prepared for: Winchester City Council prepared by: Alastair Peattie Enfusion quality Barbara Carroll Enfusion assurance: Treenwood House Rowden Lane Bradford on Avon BA15 2AU t: 01225 867112 www.enfusion.co.uk Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy CONTENTS PAGE EXECUTIVE SUMMARY 1 INTRODUCTION 1 Background 1 Purpose and Structure of Report 1 2 HABITATS REGULATIONS ASSESSMENT (HRA) & THE PLAN 3 Requirement for Habitats Regulations Assessment (HRA) 3 Guidance and Good Practice 3 The Winchester Core Strategy 5 Overview of Plan Area 5 3 HRA STAGE 1: SCREENING 7 Scope of HRA 7 Effects of the Plan 8 Pre-Submission policy Screening 9 Effects of the Plan Alone 10 Effects of the Plan In Combination 10 Screening Assessment 11 Screening Conclusions 14 4 HRA STAGE 2: APPROPRIATE ASSESSMENT 15 Air Quality 15 Disturbance 23 Habitat (& Species) Fragmentation and Loss 32 Water Levels & Quality 36 5 HOW HAS THE PLAN INCORPORATED THE FINDINGS AND 43 RECOMMENDATIONS OF THE HRA 6 HRA CONCLUSIONS 49 HRA Summary 49 BIBLIOGRAPHY 52 TABLES & FIGURES Table 1: Habitats Regulations Assessment: Key Stages 4 Table 2: European Site within HRA Scope 8 Table 3: Pre-Submission Policies with potential for LSEs alone 10 Table 4: Pre-Submission Policies with potential for LSEs in 11 combination Table 5: HRA Screening Summary 12 Table 6: Changes to the Plan as a result of the HRA 43 Figure 1: Key Diagram 6 Figure 2: Source, Pathway, Receptor Model 7 Figure 3: Housing, Employment and Infrastructure 8 180 Win HRA enfusion Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy Development: Summary of Impacts and Effects on European Sites Figure 4: Categorising the Potential Effects of the Plan 9 Figure 5: Open Space Standards 29 APPENDICES 1 European Site Characterisations 2 Plans and Programmes Review 3 Pre-Submission Policy Screening 4 Consultation Responses 180 Win HRA enfusion Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy EXECUTIVE SUMMARY 0.1 Habitats Regulations Assessment (HRA) of spatial development plans is a requirement of the Habitats Directive (92/43/EEC) as set out in the Conservation of Habitats and Species Regulations 2010 (as amended 2011). This report details the Habitats Regulations Assessment for the Local Plan Part 1 – Joint Core Strategy (Winchester Core Strategy)Pre- Submission (as modified for submission). It sets out the method, findings and conclusions of the Screening and Appropriate Assessment (AA) stages of the HRA process. 0.2 The first stage of the HRA process (screening) considered the likely significant effects at the following European sites within the influence the plan: . Butser Hill SAC . Chichester and Langstone Harbours SPA/ Ramsar . East Hampshire Hangers SAC . Emer Bog SAC . Mottisfont Bats SAC . New Forest SAC/ SPA/ Ramsar . Portsmouth Harbour SPA/ Ramsar . River Itchen SAC . Solent Maritime SAC . Solent and Isle of Wight Lagoons SAC . Solent and Southampton Water SPA/ Ramsar 0.3 Three of the European sites (Butser Hill SAC, East Hampshire Hangers SAC and Emer Bog SAC) were screened out of the assessment, given the location and sensitivities of the sites in relation to the location of development proposed in the Core Strategy. The screening concluded that the effects of the Plan were uncertain with regard to seven of the remaining European sites as a result of changes to air quality, water levels, water quality and levels of disturbance. It also concluded that the effects of the Core Strategy on four of the European sites were uncertain as a result of the loss and fragmentation of important supporting habitats. Based on the precautionary approach these issues were progressed through to the AA stage to be examined in more detail. 0.4 The AA considered the potential for the Core Strategy alone to have adverse effects on the integrity of the River Itchen SAC, Solent Maritime SAC and Solent and Southampton Water SPA/ Ramsar through reduced air quality, water levels and water quality, increased disturbance and the loss and fragmentation of supporting habitats. The potential for adverse effects alone predominantly arises as a result of the proposed location of development, which is in close proximity to the three European sites. The assessment noted that the impacts of individual developments are carefully regulated through development controls/ site management measures, including the requirement for 180 Win HRA enfusion Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy project level HRA. The AA concluded that these measures along with mitigation provided by Pre-Submission Policies (as modified for submission)and further recommendations provided by the AA would ensure that the Core Strategy alone will not have adverse effects on the integrity of the European sites. 0.5 The AA also considered the potential for the Core Strategy to have adverse in combination effects - with development proposed in surrounding areas - on seven of the identified European sites through reduced air quality, water levels and quality and increased disturbance. Given a lack of available evidence and ongoing studies, the AA was unable to conclude with certainty that the Core Strategy would not have adverse effects on the integrity of the identified European sites as a result of these issues. To strengthen the mitigation already proposed in the Plan the AA recommended a number of policy safeguards to help provide effective plan level mitigation that will contribute to minimising the impacts of proposed development on air quality, water levels and water quality. Recommendations included: . the monitoring of nitrogen dioxide (NO2) at key locations within or close to the proposed strategic sites; . additional policy wording that supports the findings of the Solent Bird Disturbance and Mitigation Project and ensure any proposed strategic avoidance and/or mitigation measures are adopted; . the requirement for any proposal on land at North Whiteley to incorporate suitable areas for dog walking; . the requirement for sustainable water strategies to accompany all proposals for strategic developments; and . seeking the incorporation of higher water efficiency measures in developments where suitable, in particular for strategic sites. 0.6 The assessment also considered the potential for the Core Strategy to have adverse in combination effects on the eight of the European sites through the loss and fragmentation of supporting habitats. The AA concluded that the potential impacts of proposed development on supporting habitats would most appropriately be addressed at the project level. Project level HRA would provide a detailed site level analysis of the importance of the site to the designated features, and provide suitable mitigation measures to reduce the adverse effects of the proposed development. The AA recommended additional policy wording to strengthen the protection of important supporting habitats within the Core Strategy. 0.7 The majority of the recommendations outlined above have been incorporated into the Submission Core Strategy. Some recommendations, such as requiring the phasing and management of construction to minimise any impacts on air quality, have not resulted in direct changes or additions to the Core Strategy as they are being addressed in lower lever planning documents, such as the Development Management and Site Allocations DPD. 180 Win HRA enfusion Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy 0.8 It is considered that the Core Strategy contains effective strategic plan level mitigation to address the issues identified through the HRA process, as far as is possible within the remit of a planning document. The plan should, however be seen in conjunction with the need for wider measures (e.g. effective European site management and coordinated regional approaches to air quality). The findings of this plan level HRA do not obviate the need to undertake HRA for lower level, project scale/ implementation plans where there is potential for a significant effect on one or more European Sites. Accordingly, this AA should be used to inform any future assessment work. It should also be revisited in the light of any significant changes to the Core Strategy and/ or if any further information becomes available. 0.9 These findings and recommendations have been subject to consultation comments and advice from Natural England and wider stakeholders. 180 Win HRA enfusion Habitats Regulations Assessment (AA) Report: Winchester Submission Core Strategy 1.0 INTRODUCTION 1.1 Winchester City Council is currently preparing its Local Plan Part 1 – Joint Core Strategy (Core Strategy) for the District. The Core Strategy is one of three key documents to be prepared as part of the Local Development Framework (LDF). When adopted, the Core Strategy will provide the planning framework (vision, objectives, spatial development strategy and core policies for spatial planning) that guides development in the City and surrounding District over the period to 2031. 1.2 Enfusion Ltd was commissioned to carry out Habitats Regulations Assessment (HRA) of the Winchester Core Strategy DPD on behalf of the Council
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