Norfolk Boreas Offshore Wind Farm Consultation Report Consultation Report Appendix 9.27 Norfolk Boreas

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  • Norfolk Boreas Offshore Wind Farm

    Consultation Report Appendix 9.27 Norfolk Boreas Offshore Ornithology outgoing documents

    Applicant: Norfolk Boreas Limited Document Reference: 5.1.9.27 Pursuant to APFP Regulation: 5(2)(q)

    Date: June 2019 Revision: Version 1 Author: Copper Consultancy

    Photo: Ormonde Offshore Wind Farm

  • Norfolk Boreas Offshore Wind Farm Appendices

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  • NORFOLK BOREAS OFFSHORE WIND FARM

    Environmental Impact Assessment

    Offshore Ornithology Method Statement

    Prepared by: Mark Trinder Date: 30.01.2018 Tel: 0141 342 5404 Email: mark.trinder@macarthurgreen.com Web: www.macarthurgreen.com Address: 95 South Woodside Road | Glasgow | G20 6NT

    mailto:@macarthurgreen.com http://www.macarthurgreen.com/

  • Norfolk Boreas Offshore Wind Farm: Environmental Impact Assessment

    Document Quality Record Version Status Person Responsible Date 1 Draft Mark Trinder 04/12/2017

    2 Reviewed Dave Tarrant and Jake Laws 13/12/2017

    3 Updated Mark Trinder 30/01/2018

    4 Final Client Approval Jake Laws 01/02/2018

  • Norfolk Boreas Offshore Wind Farm: Environmental Impact Assessment

    This method statement has been prepared by MacArthur Green on behalf of Vattenfall Wind Power Limited (VWPL) in order to build upon the information provided within the Norfolk Boreas Environmental Impact Assessment (EIA) Scoping Report. It has been produced following a full review of the Scoping Opinion provided by the Planning Inspectorate and updated to take into account feedback received on the Norfolk Vanguard Preliminary Environmental Information Report (PEIR). All content and material within this document is draft for stakeholder consultation purposes, within the Evidence Plan Process.

  • CONTENTS

    1 Introduction .................................................................................................................................... 3

    1.1 Background ............................................................................................................................. 3

    1.2 Norfolk Boreas Programme .................................................................................................... 4

    1.2.1 DCO Programme ............................................................................................................. 4

    1.2.2 Evidence Plan Process Programme ................................................................................. 4

    1.2.3 Survey Programme .......................................................................................................... 4

    2 Project Description .......................................................................................................................... 5

    2.1 Context and Scenarios ............................................................................................................ 5

    2.2 Site Selection Update ............................................................................................................. 6

    2.2.1 Landfall Zones ................................................................................................................. 6

    2.2.2 Offshore Project Area ..................................................................................................... 6

    2.3 Indicative Worst Case Scenarios ............................................................................................. 6

    2.3.1 Wind Turbines and Foundations ..................................................................................... 7

    2.3.2 Layout .............................................................................................................................. 7

    2.3.3 Offshore Cabling ............................................................................................................. 8

    2.3.4 Ancillary Infrastructure ................................................................................................... 9

    2.3.5 Construction Vessels ....................................................................................................... 9

    2.3.6 Landfall .......................................................................................................................... 10

    2.3.7 Construction Programme .............................................................................................. 10

    2.3.8 Foundation installation duration .................................................................................. 11

    2.3.9 Operation and Maintenance (O&M) Strategy .............................................................. 11

    2.3.10 Decommissioning .......................................................................................................... 12

    2.3.11 Cumulative Impact Scenarios ........................................................................................ 13

    2.3.12 Transboundary Impact Scenarios .................................................................................. 19

    3 Baseline Environment ................................................................................................................... 20

    3.1 Desk Based Review ............................................................................................................... 20

    3.1.1 Available Data ............................................................................................................... 20

    3.1.2 Designated sites ............................................................................................................ 20

    3.2 Planned Data Collection ........................................................................................................ 20

    3.3 Data analysis ......................................................................................................................... 21

    4 Impact Assessment Methodology................................................................................................. 21

    4.1 Defining Impact Significance ................................................................................................. 21

    4.1.1 Sensitivity ...................................................................................................................... 21

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    4.1.2 Conservation Value ....................................................................................................... 22

    4.1.3 Magnitude ..................................................................................................................... 23

    4.1.4 Significance ................................................................................................................... 24

    5 Potential Impacts .......................................................................................................................... 25

    5.1.1 Potential Impacts during Construction ......................................................................... 25

    5.1.2 Potential Impacts during O&M ..................................................................................... 27

    5.1.3 Potential Impacts during Decommissioning ................................................................. 29

    5.1.4 Potential Cumulative Impacts ....................................................................................... 30

    5.1.5 Potential Transboundary Impacts ................................................................................. 31

    6 Habitats Regulations Assessment ................................................................................................. 31

    7 References .................................................................................................................................... 33

    Appendix 1. Baseline Seabird Data for Norfolk Boreas......................................................................... 34

    Appendix 2. Seabird Reference Populations ......................................................................................... 45

    Appendix 3. Seasonal Definitions.......................................................................................................... 49

    Appendix 4. Methods for Population Modelling .................................................................................. 55

    LIST OF TABLES

    Table 2.1 Indicative Vessel numbers on site at one time 10

    Table 2.2 Summary of worst case scenario impacts during each phase of the proposed development. 12

    Table 2.3 Suggested tiers for undertaking a staged cumulative impact assessment (JNCC and Natural England) 14

    Table 2.4 Projects expected to be included in the CIA in relation to offshore ornithology 16

    Table 4.1 Definitions of the different sensibility levels for offshore ornithology 21

    Table 4.2 Definitions of the conservation value levels for offshore ornithology 22

    Table 4.3 Definitions of magnitude levels for offshore ornithology 23

    Table 4.4 Impact Significance Matrix 24

    Table 4.5 Impact Significance Definitions 24

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