Table 25.9 Impact Significance Definitions Impact Significance
Definition Major
Very large or large change to the receptor and/or its condition, both adverse or beneficial, which are likely to be important considerations as they affect assets of national or regional importance. Mitigation will almost certainly be required.
Moderate Minor
Negligible No change Uncertain
Moderate change or impact on assets of local or regional importance, which are will require some consideration and potential mitigation.
Small change or impact on assets of local or negligible importance, which may require some consideration and potential mitigation.
No discernible change to heritage asset. No impact, therefore no change to heritage asset. Extent of impact or significance of heritage assets uncertain.
51. Embedded mitigation measures which will alter the potential impact on the archaeological and cultural heritage resource are considered within the initial assessment. Further mitigation measures are suggested where appropriate with an assessment of the post-mitigation residual impact given.
25.4.4 Cumulative Impact Assessment 52.
Potential cumulative impacts arising from the proposed scheme are also considered in line with Chapter 6 Environmental Impact AssessmentMethodology. Impacts will be identified and assessed in terms of significance and magnitude using the same methodology outlined above and where appropriate potential mitigation measures outlined.
25.5 Existing Environment
25.5.1 Introduction 53.
The following section provides a summary of the known and potential archaeological and cultural resource of the Development Area and its environs. Further detail is included in the DBA (Appendices 25.1) and listed in the associated gazetteer (Appendices 25.2), using information from the data sources listed in Table 25.3 plus other relevant literature.
54.
All heritage assets have been allocated a unique reference number with a WA prefix and illustrated on the accompanying figures (Figures 25.1 to 25.13). Designated heritage assets are labelled in red text on the figures, while HER records are labelled black and features identified during the walkover survey are labelled in blue. Further discussion and details for all the entries can be found in Appendices 25.1 and 25.2.
Preliminary Environmental Information April 2014
East Anglia THREE Offshore Windfarm
Chapter 25 Onshore Archaeology Page 21
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