Acoustic report

Hass Holdings atf The Quasar Trust
Environmental Noise Level Study for Proposed Industrial Business Type 2 (Production, Alteration, Repackaging
and Repairing), 5 Taylor Court, Cooroy                                                                              Page 9 of 17




Closest Residence to East

At the closest residence to the east, on the northern side of Nandroya Road, the noise level impact of
the different noise sources are as per Table 4.


                                                            Table 4
                                        Source Noise Levels at Closest Residence to East

                                                                                        Inside to Outside       Source Noise
                                               Source Noise             Distance
              Noise Source                                                               Industrial Shed,          Level at
                                               Level, dB(A)        Attenuation, dB(A)
                                                                                              dB(A)            Residence, dB(A)

Car door closing                             62 LAeq,adj,T @ 10m          -35                  0                     27
Car engine starting                          61 LAeq,adj,T @ 10m          -35                  0                     26
Car driving                                  56 LAeq,adj,T @ 10m          -35                  0                     21
Delivery truck                               62 LAeq,adj,T @ 10m          -35                  0                     27
Unloading/loading                            60 LAeq,adj,T @ 10m          -35                  0                     25
People talking                               61 LAeq,adj,T @ 10m          -35                  0                     26
Hand-held power saw                          85 LAeq,adj,T @ 1m           -56                  -5                    24
Power drill                                  80 LAeq,adj,T @ 1m           -56                  -5                    19
Electric belt sander                         88 LAeq,adj,T @ 1m           -56                  -5                    27
Panel saw                                    85 LAeq,adj,T @ 1m           -56                  -5                    24
100mm electric angle grinder                 93 LAeq,adj,T @ 1m           -56                  -5                    32
Welding                                      83 LAeq,adj,T @ 1m           -56                  -5                    22
Compressor                                    83 LA90,T @ 1m              -56                  -5                    22
Bench grinder                                76 LAeq,adj,T @ 1m           -56                  -5                    15
Combined noise of grinding, metal cut
off saw, welding, radio and some             88 LAeq,adj,T @ 5m           -42                  -5                    41
hammering
Airconditioning units                           76 LA90,T LWA             -63                  0                     13


All of the above noise sources, including the combined noise level of grinding, metal cut off saw,
welding, radio and some hammering, complies with the noise limits for the complete 24-hour day at the
closest residence to the west, with no additional noise control measures required.




David Moore & Associates Pty Ltd                                                   Our reference: R18062/D3342/Rev.0/25.09.18