Appendix D Acoustic Report - 14-16 Mary Street, Noosaville - Bounce Hostels 15.6.2018

Visitor Accommodation, Noosaville                                                                                         1142R1-R0


        Guest Noise
                     A “worst case” scenario for guest noise was calculated assuming guests
                     congregated in 3 groups of 5 in the pool / relaxation area. The sound power levels
                     for the LAeq and statistical noise indices was estimated using the formulae
                     developed by Hayne et al3 for small to medium crowds.
                     Due to the nature of the area and potential distribution of people within it, sound
                     levels at the nearest receivers were calculated by assuming an even distribution
                     of the total sound power around the perimeter of the area, and that sound through
                     the apertures between buildings would be dominant over any that may go over the
                     buildings. Noise levels were then calculated assuming each aperture acted as a
                     point source.
                     The predicted noise levels from guests in the pool / relaxation area are shown in
                     Table 9.
                     Table 9:       Predicted guest noise levels for 30 people in the courtyard

                      Receiver                                  LAeq(1 hour), dB   LA10(1 hour), dB   LA1(1 hour), dB
                      12 Mary Street                            35                 38                 41
                      4 Ann Street                              35                 38                 41
                      6 Ann Street                              34                 37                 40
                      8 Ann Street                              33                 36                 39
                      10 Anne Street                            35                 38                 41

                     The predicted noise levels from guests achieve the Acoustic Quality Objectives
                     and Background Creep criteria during all time periods.
6       Discussion of Results and Attenuation
        Air Conditioners
                     There is no air-conditioning plant designated for the site at this stage. The
                     measured background noise levels and established criteria for air-conditioning
                     plant provide criteria for any potential future installations.

        Refrigeration Plant
                     There is no fixed refrigeration plant at the venue. The measured background noise
                     levels provide criteria for any potential future installations.

        Vehicle Noise
                     Vehicle noise produced on the driveway is not expected to cause a noise nuisance
                     during the late evening or night time due to the negligible expected use of the
                     driveway.
                     Noise from the driveway is also considered unlikely to subjectively emerge from
                     the ambient existing road traffic noise from Mary Street during the daytime and
                     evening.

        Guest Noise
                     Guest noise from the pool / relaxation area will achieve all Acoustic Quality
                     Objectives and Background Creep criteria.




                     3 Prediction of Noise from Small to Medium Sized Crowds M.J. Hayne (1), J.C. Taylor (1),

                     R.H. Rumble (1) and D.J. Mee (2) Proceedings of ACOUSTICS 2011

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