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...Chapter noise and vibration awn consulting ltd introduction this of the eiar describes appraisal undertaken potential impacts from proposed installation a kv grid connection between permitted darndale substation existing belcamp methodology approach adopted for is as follows review appropriate guidance planning conditions applicable to other sites specification suitable construction operational criteria characterisation receiving environment development prediction impact associated with evaluation appendix document presents glossary acoustic terminology used throughout in first instance it considered some basic fundamentals acoustics order provide broader understanding technical discussion report section provides brief overview basis preparation assessment sound wave travelling through air regular disturbance atmospheric pressure these fluctuations are detected by human ear producing sensation hearing take account vast range levels that can be convenient measure terms logarithmic ratio...