Appendix C - Noise Impact Assessment and Noise Managment Plan · 132005.1133.15

Altum Constructions
Environmental Noise Level Impact Assessment of Facilities Building, Including Internal Dining Option,
Parkridge, 75 Resort Drive, Noosa Heads                                                                        Page 10 of 22




AMBIENT NOISE LEVELS - 2021

Duke Environmental conducted ambient noise assessments from the balcony of Unit 1901, Block 19,
during the evening and night-time, for the following time periods:

     •    1810 to 1840 hours;
     •    2105 to 2145 hours;
     •    2300 to 0000 (midnight);

on Thursday 12 August 2021 during calm atmospheric conditions with a temperature range from 20 to
240C and relative humidity 73 to 75%. The results of these ambient noise level measurements are
detailed in Table 2 below.


                                             Table 2
     Duke Environmental Ambient Noise Assessment, Thursday 12 August 2021, Balcony of Unit 1901
                                Noise Level, dB(A)
         Time                                                                            Comments
                       LAeq,T      LA1,T     LA10,T      LA90,T
   1810-1815           45.9        51.2       45.9       42.9
   1815-1820           44.5        50.5       44.8       42.8      Noise of birds and insects, with some distant
   1820-1825           42.8        46.5       44.1       41.4      traffic, as well as some limited plant noise.

   1825-1830           41.9        45.6       42.9       40.7
   1830-1835           44.2        54.5       46.9       40.4      Average LA90 = 41.6 = 42 dB(A)

   1835-1840           42.5        47.1       43.6       40.9
   2105-2110           39.2        43.2       39.3       36.7
   2110-2115           38.9        44.3       39.1       36.9
   2115-2120           37.8        41.6       37.9       36.6      Noise of birds and insects, with some distant
   2120-2125           38.6        42.6       39.2       36.8      traffic, as well as some limited plant noise

   2125-2130           38.2        41.0       38.8       37.3
   2130-2135           37.6        42.1       38.3       36.6      Average LA90 = 36.9 = 37 dB(A)

   2135-2140           38.6        42.5       39.7       37.0
   2140-2145           38.7        45.1       38.9       36.9
   2300-2305           37.8        42.8       37.9       36.0
   2305-2310           37.2        40.9       37.6       36.0
   2310-2315           36.8        38.8       36.9       35.7
   2315-2320           37.3        44.0       37.2       35.9
   2320-2325           37.6        43.2       37.5       35.8
                                                                   Noise of birds, with some limited plant noise
   2325-2330           37.2        42.7       37.8       36.2
   2330-2335           37.6        41.5       38.4       36.1
                                                                   Average LA90 = 36.0 = 36 dB(A)
   2335-2340           37.1        41.1       37.7       36.2
   2340-2345           37.4        41.7       37.4       36.0
   2345-2350           37.3        41.8       37.4       35.9
   2350-2355           37.0        40.2       37.3       36.1
   2355-2400           37.1        40.5       37.5       35.9




David Moore & Associates Pty Ltd                                                  Our reference: R21054/D3422/Rev.0/25.08.21