This document may not be reproduced in full or in part without the written consent of Marshall Day Acoustics Limited Rp 001 R0 20210601 SJP (Waihi North Noise Assessment) ISSUE 52 of 79 APPENDIX B AMBIENT NOISE SURVEYS B1 Waihi Township Area Survey Details The key details of the noise monitoring programme are as follows: Personnel: Lodewyk Jansen, Marshall Day Acoustics (deployment and retrieval). Instrumentation: See Table 18 below. Example photographs are also provided below. Calibration: Field calibration of the equipment was carried out before measurements, and the calibration checked after measurements. Observed change less than 0.1 dB. Weather History: Recorded public data for “Five Oaks Kingsley Rd - IWAIHI15” station opposite in Figure 33. Table 18: Survey details for each Measurement Position MP1 MP2 MP3 MP4 MP5 MP6 Details Address 26 Islington Tce 14 Roycroft St 126 Kenny St 28 Russell St 34 Heath Rd 131 Trig Rd Nth Coordinates 37° 23' 12 S 175° 50' 15 E 37° 23' 3 S 175° 51' 7 E 37° 23' 23 S 175° 50' 51 E 37° 23' 19 S 175° 50' 7 E 37° 23' 43 S 175° 51' 17 E 37° 24' 27 S 175° 53' 53 E Recording Start 30/07/20 10:40 30/07/20 14:55 30/07/20 11:20 30/07/20 11:45 30/07/20 12:55 30/07/20 12:55 Recording Stop 02/08/20 23:50 14/08/20 12:35 20/08/20 10:15 20/08/20 09:45 14/08/20 12:50 20/08/20 08:50 Equipment Model 01dB CUBE 01dB DUO 01dB DUO B&K Type 2250 01dB CUBE 01dB CUBE Serial No. 11186 10863 10862 3025096 10702 10420 Calibration Due 19/12/21 25/09/22 06/06/21 27/11/21 15/08/21 17/06/21 Figure 32: Example photographs of loggers installed at MP1 (right) and MP3 (left) Figure 33: Weather history for August 2020 (which covers most survey days) Figure obtained from: https://www.wunderground.com/dashboard/pws/IWAIHI15/graph/2020-08-2/2020-08-2/monthly B2 Waihi Township Area Measured Ambient Noise Levels Presented on following pages.
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