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Material changes to setting (such changes would change the setting
materially but not fundamentally, such that its ability to be understood
would be moderately compromised).
Minor
Changes to key archaeological elements, such that the asset is
slightly altered.
Slight changes to setting (such changes would be detectable but
would not fundamentally or materially compromise the ability to
understand the setting).
Negligible
No change
Very minor changes to elements or setting (such changes would be
barely perceptible and would not affect the ability to understand the
setting).
No change.
10.2.36 Additional methodology regarding the assessment of effects on settings is provided below.
Assessment of Impact Magnitude - Historic Buildings
10.2.37 The magnitude of effect is assessed without regard to the value of the resource, so the total
destruction of an insignificant building would have the same degree of effect as the total loss of
a high value building. In terms of the judgement of the magnitude of effect, this is based on the
principle that preservation of the resource and its setting is preferred, and that total physical
loss of the resource is the least preferred.
10.2.38 Effects on the setting of historic buildings may include vibration, noise and lighting issues as
well as visual effects, and may be reversible. Additional methodology regarding the
assessment of effects on settings is provided below.
10.2.39 Impact scales are defined (as in DMRB Volume 11, Section 3, Annex 6) thus:
Major
Change to key historic building elements such that the resource is
totally altered.
Total change to the setting (where the scope or extent of the change
is so fundamental that the ability to understand the setting of the
historic building is severely compromised).
Moderate
Change to many key historic building elements, such that the
resource is significantly modified.
Changes to the setting of an historic building, such that it is
significantly modified (such changes would change the setting of the
historic building materially but not fundamentally, such that its ability
to be understood would be moderately compromised).
November 2010 Chapter 10 Page 9
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