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Galloper Wind Farm Project - National Infrastructure Planning

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2842_LVIA<br />

September 2011<br />

GALLOPER WIND FARM SUBSTATION<br />

permission should be granted. This judgement is illustrated by the<br />

table below:<br />

SENSITIVITY<br />

MAGNITUDE Low Medium High<br />

High Moderate Major-<br />

Moderate<br />

Major<br />

Medium Moderate-<br />

Minor<br />

Moderate Major-<br />

Moderate<br />

Low Minor Moderate-<br />

Minor<br />

Moderate<br />

Negligible Negligible Negligible Negligible<br />

17.1.23. Key criteria used in determining the extent of an effect include: the<br />

magnitude of the change, the spatial extent of the change, the<br />

duration of the change, the degree to which the change is reversible<br />

and, related to prevailing weather conditions, the percentage<br />

incidence of the change.<br />

Valency<br />

17.1.24. Most people would consider that, without mitigation, a substation<br />

constructed in a rural landscape is likely to bring adverse changes to<br />

the landscape and visual amenity. With appropriate mitigation it is<br />

possible that it could bring beneficial changes. Effects are, therefore,<br />

defined as adverse, neutral or beneficial as follows:

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