Joint Witness Statement Noise and Vibration 25 July 2018 [pdf, 3.5 MB]
...holder shall provide a report from a suitably qualified acoustics expert setting out sufficient detail to demonstrate that the speaker system(s) have been calibrated by noise measurements in accordance with NZS6801 :2008 Acoustics - Measurement of environmental sound to ensure that the cumulative noise level from the operation of the speakers and all other Operations (excluding crowd noise) will be compliant with the noise limits in Condition 194C at all times. The speakers may not be use...