130814 Acoustic Report 230913 · MCU13/0171

Cooroy Property Trust Pty Ltd c/- Lavin Trading
Environmental Noise Level Study for Proposed Wimmers Soft Drink Manufacturing Facility,
271 Lake Macdonald Drive, Lake Macdonald                                                                    Page 10 of 32


                                      92 dB(A) LAmax,T @ 1 m – 5 (inside to outside factory via open doors) –
                                      45 (distance) – 3 (ground) = 39 dB(A).

Steady state noise

•   office airconditioning unit:                82 dB(A) SWL – 60 (distance) – 4 (ground) = 18 dB(A);

•   cooling tower:                              80 dB(A) LA10,adj,T @ 1 m – 51 (distance) – 4 (ground) = 25
                                                dB(A);

•   exhaust fans:                               65 dB(A) LA10,adj,T @ 1 m + 10 (ten to 12 fans operating) – 51
                                                (distance) – 4 (ground) = 20 dB(A);

•   pumps:                                      70 dB(A) LA10,adj,T @ 1 m + 10 (ten to twelve pumps operating)
                                                – 51 (distance) – 4 (ground) = 25 dB(A);

•   combined noise:                             18 + 25 + 20 + 25 = 29 dB(A) LA10,adj,T.

All of the above noise sources comply with the time varying and steady state noise limits at the closest
residence to the north, on the western side of Lake Macdonald Drive.


Closest Residence to East

At the closest residence to the east of the subject site, for the closest possible location of the nominated
noise source, source noise levels will be:

Time varying noise

•   semi driving on site:             70 dB(A) LA10,adj,T @ 8 m – 28 (distance) – 2 (ground) = 40 dB(A);

                                      72 dB(A) LAmax,T @ 8 m – 28 (distance) – 2 (ground) = 42 dB(A);

•   truck door closing:               58 dB(A) LA10,adj,T @ 30 m – 18 (distance) – 5 (building) = 35 dB(A);

                                      60 dB(A) LAmax,T @ 30 m – 18 (distance) – 5 (building) = 37 dB(A);

•   truck engine starting:            58 dB(A) LA10,adj,T @ 30 m – 18 (distance) – 5 (building) = 35 dB(A);

                                      60 dB(A) LAmax,T @ 30 m – 18 (distance) – 5 (building) = 37 dB(A);

•   truck air brakes:                 80 dB(A) LA10,adj,T @ 25 m – 20 (distance) – 5 (building) = 55 dB(A);

                                      80 dB(A) LAmax,T @ 25 m – 20 (distance) – 5 (building) = 55 dB(A);

•   people talking:                   60 dB(A) LA10,adj,T @ 10 m – 28 (distance) – 3 (ground) = 29 dB(A);

                                      62 dB(A) LAmax,T @ 10 m – 28 (distance) – 3 (ground) = 31 dB(A);

•   car driving on site:              50 dB(A) LA10,adj,T @ 8 m – 28 (distance) – 2 (ground) = 20 dB(A);

                                      55 dB(A) LAmax,T @ 8 m – 28 (distance) – 2 (ground) = 25 dB(A);

•   car door closing:                 52 dB(A) LA10,adj,T @ 30 m – 18 (distance) – 3 (ground) = 31 dB(A);

                                      55 dB(A) LAmax,T @ 30 m – 18 (distance) – 3 (ground) = 34 dB(A);

•   car engine starting:              52 dB(A) LA10,adj,T @ 30 m – 18 (distance) – 3 (ground) = 31 dB(A);



David Moore & Associates Pty Ltd                                               Our reference: R13095/D2847/Rev.0/23.09.13