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BOC Immingham Dissolved Acetylene Project Environmental Statement: Vol. 2 Main Text
Value Description Example
Minimal
Elements of the historic
environment which are of
insufficient significance to merit
consideration in planning
decisions and hence be classed
as heritage assets.
Undesignated features with very limited or no
historic interest. Can also include highly
degraded designated assets that no longer
warrant designation.
14.12.2 Table 14.3 sets out the definitions for determining the scale of change resulting from an impact.
Scale of
Change
Large
Adverse
Medium
Adverse
Minor
Adverse
Table 14.3 Definitions of Assessment of Scale of an Impact
Description of Nature of Change
Substantial harm to, or loss of, an asset’s significance as a result of changes to
its physical form or setting.
For example, this would include demolition, removal of physical attributes critical
to an asset, loss of all archaeological interest or the transformation of an asset’s
setting in a way that fundamentally compromises its ability to be understood or
appreciated. The scale of change would be such that it could result in a
designated asset being undesignated or having its level of designation lowered.
Less than substantial harm to an asset’s significance as a result of changes to its
physical form or setting.
For example, this could include physical alterations that remove or alter some
elements of significance but do not substantially alter the overall significance of
the asset, notable alterations to the setting of an asset that affect our appreciation
of it and its significance, or the unrecorded loss of archaeological interest.
Limited harm to an asset’s significance as a result of changes to its physical form
or setting.
For example, this could include physical changes that alter some elements of
significance but do not noticeably alter the overall significance of the asset and
small-scale alterations to the setting of an asset that hardly affect its significance.
Neutral No appreciable change to an asset’s significance.
Minor
Beneficial
Medium
Beneficial
Large
Beneficial
Limited improvement of an asset’s significance as a result of changes to its
physical form or setting
For example, this could include physical changes that reveal or conserve some
elements of significance but do not noticeably alter the overall significance of the
asset, or small-scale alterations to the setting of an asset that improve our ability
to appreciate it.
Notable enhancement of an asset’s significance as a result of changes to its
physical form or setting
For example, this could include physical alterations that conserve or restore
elements of significance, notable alterations to the setting of an asset that
improve our appreciation of it and its significance, or changes in use that help
safeguard an asset.
Substantial enhancement of an asset’s significance as a result of changes to its
physical form or setting
For example, this could include major changes that conserve or restore elements
of high significance, alterations to the setting of an asset that very substantially
improve our appreciation of it and its significance, or changes in use that
safeguard an asset e.g. by taking it off the At Risk Register.
5100935.404 Environmental Statement August 2011 254