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 12 of 32


•   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);

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

•   forklift operating:               78 dB(A) LA10,adj,T @ 10 m – 28 (distance) – 8 (building) = 42 dB(A);

                                      80 dB(A) LAmax,T @ 10 m – 28 (distance) – 8 (building) = 44 dB(A);

•   waste collection vehicle:         73 dB(A) LA10,adj,T @ 10 m – 28 (distance) – 3 (ground) = 42 dB(A);

                                      73 dB(A) LAmax,T @ 10 m – 28 (distance) – 3 (ground) = 42 dB(A);

•   manufacturing:                    90 dB(A) LA10,adj,T @ 1 m – 5 (inside to outside factory via open doors) –
                                      42 (distance) – 4 (ground) = 39 dB(A);

                                      92 dB(A) LAmax,T @ 1 m – 5 (inside to outside factory via open doors) –
                                      42 (distance) – 4 (ground) = 41 dB(A).

Steady state noise

•   office airconditioning unit:                82 dB(A) SWL – 54 (distance) – 8 (building) = 20 dB(A);

•   cooling tower:                              80 dB(A) LA10,adj,T @ 1 m – 47 (distance) – 8 (building) = 25
                                                dB(A);

•   exhaust fans:                               65 dB(A) LA10,adj,T @ 1 m + 10 (ten to 12 fans operating) – 48
                                                (distance) – 5 (barrier, roof edge) = 22 dB(A);

•   pumps:                                      70 dB(A) LA10,adj,T @ 1 m + 10 (ten to twelve pumps operating)
                                                – 48 (distance) – 8 (building) = 24 dB(A);

•   combined noise:                             20 + 25 + 22 + 24 = 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 south-east.




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