Pathway – the means by which the effect of the activity could impact a receptor. In terms of the historic environment this will include both direct and indirect effects.
Receptor – the element of the receiving environment that is impacted. This will include both designated and non-designated heritage assets.
25.4.3.1 Sensitivity 35.
Assessments of the sensitivity of an archaeological receptor consider the capacity of that receptor to accommodate change and reflect its ability to recover if it is affected. The key considerations in assessing sensitivity are:
36. The degree of adaptability (can a receptor avoid or adapt to an effect?);
The degree of tolerance (can a receptor accommodate temporary or permanent change without a significant negative impact?); and
The degree of recoverability (can a receptor recover following an effect and how long would this take?).
Levels of sensitivity are presented in Table 25.4 below.
Table 25.4 Definitions of the Different Sensitivity Levels for Heritage Assets Sensitivity
Definition High Medium Low
Negligible Unknown
Receptor has very limited tolerance of effect and very limited capacity to recover or adapt to change.
Receptor has limited tolerance of effect and limited capacity to recover or adapt to change.
Receptor has some tolerance of effect and may be able to accommodate or adapt to change.
Receptor generally tolerant of effect. Insufficient data available to assess sensitivity.
25.4.3.2 Value 37. NPPF states that the significance of any heritage assets be clearly identified and this significance should be taken into account when considering the impact of a proposal on a heritage asset. The greater the significance of a heritage asset, the greater weight should be given to its conservation.
38.
Significance (for heritage policy) is defined in NPPF Annex 2 as ‘the value of a heritage asset to this and future generations because of its heritage interest. That
Preliminary Environmental Information April 2014
East Anglia THREE Offshore Windfarm
Chapter 25 Onshore Archaeology Page 14
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