Chapter Human Environment CULTURAL HERITAGE AND MARINE ARCHAEOLOGY 17 Contents Contents ........................................................................................................................................................ i List of Tables .................................................................................................................................................... ii List of Figures ................................................................................................................................................... ii Glossary ...................................................................................................................................................... iii Abbreviations and Acronyms .......................................................................................................................... iv 17 Cultural Heritage and Marine Archaeology ..................................................................................... 1 17.1 Introduction.................................................................................................................................... 1 17.2 Consultation ................................................................................................................................... 1 17.3 Policy and Plans .............................................................................................................................. 4 17.4 Assessment Methodology............................................................................................................... 5 17.4.1 Guidance and Methods ........................................................................................................................ 5 17.4.2 Definition of Study Area ....................................................................................................................... 6 17.4.3 Data Sources ......................................................................................................................................... 8 17.4.4 Impact Assessment Methodology ........................................................................................................ 9 17.4.5 Significance Criteria ............................................................................................................................ 11 17.5 Design Envelope and Embedded Mitigation ................................................................................. 13 17.6 Baseline Environment ................................................................................................................... 16 17.6.1 Baseline Data ...................................................................................................................................... 16 17.6.2 Development Area ASA ...................................................................................................................... 16 17.6.3 Offshore Export Cable Corridor ASA ................................................................................................... 24 17.6.4 Potential for Further Unknown Cultural Heritage Features ............................................................... 26 17.6.5 Baseline without the Project .............................................................................................................. 32 17.7 Impact Assessment - Development Area ...................................................................................... 32 17.7.1 Approach ............................................................................................................................................ 32 17.7.2 Effects of Construction ....................................................................................................................... 33 17.7.3 Effects of Operation and Maintenance............................................................................................... 35 17.7.4 Effects of Decommissioning ................................................................................................................ 39 17.8 Impact Assessment - Offshore Export Cable Corridor ASA ............................................................ 40 17.8.1 Approach ............................................................................................................................................ 40 17.8.2 Effects of Construction ....................................................................................................................... 40 17.8.3 Effects of Operation and Maintenance............................................................................................... 42 17.8.4 Effects of Decommissioning ................................................................................................................ 42 17.9 Impact Interactions ....................................................................................................................... 43 17.10 Cumulative Impact ........................................................................................................................ 43 17.10.1 Developments considered .................................................................................................................. 43 INCH CAPE OFFSHORE LIMITED OFFSHORE ENVIRONMENTAL STATEMENT i Chapter Human Environment CULTURAL HERITAGE AND MARINE ARCHAEOLOGY 17 17.10.2 Effects of Construction ....................................................................................................................... 43 17.10.3 Effects of Operation and Maintenance............................................................................................... 44 17.10.4 Effects of Decommissioning ................................................................................................................ 46 17.11 Mitigation ..................................................................................................................................... 46 17.12 Conclusions and Residual Impacts ................................................................................................ 47 17.12.1 Setting Impacts ................................................................................................................................... 49 17.13 Cumulative Impacts ...................................................................................................................... 50 17.13.1 The Project .......................................................................................................................................... 50 17.13.2 The Project with Other Projects ......................................................................................................... 50 References ..................................................................................................................................................... 51 List of Tables Table 17.1: Scoping and Consultation Responses and Actions ............................................................... 2 Table 17.2: Receptor Sensitivity............................................................................................................ 11 Table 17.3: Factors in the Assessment of the Magnitude of Effect ...................................................... 12 Table 17.4: Worst Case Scenario Definition – Development Area ....................................................... 14 Table 17.5: Worst Case Scenario Definition – Offshore Export Cable Corridor .................................... 15 Table 17.6: Types of Anomalies within Development Area ASA .......................................................... 17 Table 17.7: Cultural Heritage Assets Considered with Respect to Setting Effects ............................... 21 Table 17.8: Types of Anomalies within the Offshore Export Cable Corridor ASA ................................ 24 Table 17.9: Cultural Heritage Receptors - Development Area ASA ...................................................... 32 Table 17.10: Summary of Effects on the Setting of Cultural Heritage Assets ....................................... 39 Table 17.11: Cultural Heritage Receptors - Offshore Export Cable Corridor ASA ................................ 40 Table 17.12: Agreed list of Cumulative Wind Farm Developments Included for Analysis ................... 44 Table 17.13: Summary of Effects and Mitigation ................................................................................. 48 Table 17.14: Summary of Significance of Cumulative Impacts on Cultural Heritage Assets ................ 50 List of Figures Figure 17.1: Archaeological Study Areas................................................................................................. 7 Figure 17.2: Located Receptors within the Development Area ASA .................................................... 19 Figure 17.3: Setting Impact Assessment Receptors .............................................................................. 23 Figure 17.4: Located Receptors in the Offshore Export Cable Corridor ASA (North) ........................... 28 Figure 17.5: Located Receptors in the Offshore Export Cable Corridor ASA (Central) ......................... 29 Figure 17.6: Located Receptors in the Offshore Export Cable Corridor ASA (South) ........................... 30 Figure 17.7: Located Receptors within the Offshore Export Cable Corridor ASA (Intertidal) .............. 31 INCH CAPE OFFSHORE LIMITED OFFSHORE ENVIRONMENTAL STATEMENT ii Chapter Human Environment CULTURAL