Historic Environment – Terrestrial and Marine
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Thurrock Flexible Generation Plant Environmental Statement Volume 3 Chapter 7: Historic Environment – Terrestrial and Marine Date: February 2020 Chapter 7: Historic Environment Environmental Statement February 2020 Environmental Impact Assessment Environmental Statement Volume 3 Copyright © RPS Chapter 7 The material presented in this report is confidential. This report has been prepared for the exclusive use of Thurrock Power Ltd and shall not be distributed or made available to any other company or person without the knowledge and written consent of RPS. Report Number: OXF10872 Version: Final Date: February 2020 This report is also downloadable from the Thurrock Flexible Generation Plant website at: Prepared by: Nikki Cook and Dan Slatcher http://www.thurrockpower.co.uk Checked by: Peter Ireland Thurrock Power Ltd 1st Floor 145 Kensington Church Street London W8 7LP i Chapter 7: Historic Environment Environmental Statement February 2020 1. Introduction ......................................................................................................................... 1 Table 1.1: Summary of NPS EN-1 and NPS EN-2 provisions relevant to this chapter. ............ 1 1.1 Purpose of this chapter ................................................................................................. 1 Table 1.2: Summary of NPS EN-1 policy on decision making and mitigation relevant to this chapter. ................................................................................................................... 2 1.2 Planning policy context ................................................................................................. 1 Table 1.3: Summary of other relevant policies relevant to historic environment. ........................ 3 1.3 Legislation ..................................................................................................................... 6 Table 1.4: Key points raised during scoping and consultation to date...................................... 7 1.4 Consultation .................................................................................................................. 6 Table 2.1: Criteria used to determine the importance (sensitivity) of heritage assets. ............. 14 2. Assessment Approach ...................................................................................................... 13 Table 2.2: Criteria for grading the contribution of setting to the importance of heritage assets 15 2.1 Guidance / standards .................................................................................................. 13 Table 2.3: Criteria for determining the magnitude of impact (adverse) ..................................... 15 Table 2.4: Criteria for determining the magnitude of impact (beneficial) .................................. 15 2.2 Assessment Methodology ........................................................................................... 13 Table 2.5: Matrix used for the assessment of the significance of an effect. ............................. 16 2.3 Baseline studies .......................................................................................................... 16 Table 2.6: Summary of key desktop sources. .......................................................................... 16 2.4 Study area ................................................................................................................... 17 Table 2.7: Summary of site-specific surveys undertaken. ........................................................ 17 2.5 Uncertainties and/or data limitations ........................................................................... 17 Table 2.8: Maximum design envelope parameters assessed. ............................................... 21 2.6 Maximum design envelope parameters for assessment ............................................. 18 Table 2.9: Designed-in measures. ......................................................................................... 22 Table 5.1: Summary of potential environment effects, mitigation and monitoring. ................. 50 2.7 Impacts scoped out of the assessment ....................................................................... 22 2.8 Measures adopted as part of Thurrock Flexible Generation Plant .............................. 22 3. Baseline environment ........................................................................................................ 24 3.1 Current baseline .......................................................................................................... 24 3.2 Future baseline ........................................................................................................... 32 Figure 2.1 Proposed development site development zone ...................................................... 19 4. Assessment of Effects ....................................................................................................... 33 Figure 2.2 ZTV and designated heritage assets within a 5km buffer of Zone A ....................... 20 4.1 Construction phase ..................................................................................................... 33 Figure 3.1 Recorded heritage assets within a 3km study area around the main development site ........................................................................................................................ 26 4.2 Operational and maintenance phase .......................................................................... 47 Figure 3.2 Historic Landscape Character of the site and surrounding area.............................. 27 4.3 Decommissioning phase ............................................................................................. 47 4.4 Cumulative effects ....................................................................................................... 48 4.5 Transboundary effects ................................................................................................ 48 4.6 Inter-related effects ..................................................................................................... 48 5. Conclusion and summary .................................................................................................. 49 This chapter provides an assessment of the potential effects of the Thurrock Flexible 6. References ........................................................................................................................ 54 Generation Plant development on the historic environment, including known and potential above-ground, below-ground and intertidal/underwater heritage assets and the historic landscape. This document has been prepared by Dr Nikki Cook, Member of the Chartered Institute for Archaeologists, who has 20 years’ experience of assessing terrestrial and marine archaeology, built heritage and historic landscape impact assessment. ii Chapter 7: Historic Environment Environmental Statement February 2020 Table 1.1: Summary of NPS EN-1 and NPS EN-2 provisions relevant to this chapter. 1. Introduction Summary of NPS EN-1 and NPS EN-2 provision How and where considered in the ES Summary of NPS EN-1 policy relevant to the assessment of effects on the historic environment Applicants should provide a description of the significance of the heritage assets affected by the proposed 1.1.1 This chapter presents a summary of the historic environment baseline within and The significance of all heritage assets affected by development and the contribution of their setting to that surrounding the application site. This includes terrestrial and marine archaeology, the Thurrock Flexible Generation Plant is assessed in significance. The level of detail should be proportionate to Section 4 of this chapter, including the contribution historic landscape and built heritage assets. the importance of the heritage assets and no more than is that their setting makes to that significance. sufficient to understand the potential impact of the 1.1.2 It then provides an assessment of the potential direct and indirect effects of the proposal on the significance of the heritage asset. proposed development on the historic environment, both in terms of the potential for As a minimum the applicant should have consulted the relevant Historic Environment Record (or, where the physical disturbance and effects on the settings of heritage assets. Relevant Historic Environment Records have been development is in English or Welsh waters, English consulted. See Volume 6, Appendix 7.1: Historic Heritage or Cadw) and assessed the heritage assets 1.1.3 The principal objectives of the assessment are: Environment Desk-Based Assessment. themselves using expertise where necessary according to the proposed development’s impact (paragraph 5.8.8). • to describe, classify and evaluate the existing historic environment likely to be Where a development site includes, or the available affected by the proposed development during its construction, operational and A desk-based assessment has been prepared evidence suggests it has the potential to include, heritage (Volume 6, Appendix 7.1) and a terrestrial decommissioning phases; assets with an archaeological interest, the applicant geophysical survey (Volume 6, Appendix 7.2) has should carry out an appropriate desk-based assessment • to identify sensitive receptors to the proposed development; been undertaken for part of the application site. A and, where such desk-based research is insufficient to geoarchaeological deposit model has also been • to identify the