Attachment 6 - Acoustic Report (Updated) 20.08.2020 · OPW20/0145

Table 5 – Predicted Shopping Centre Noise Impacts at the Proposed Residential Lots

                                     Predicted Incident Noise Level                               Acoustic
      Receiver1          Time
                                            at Facade dB(A)                                      Treatment
                                                                                Internal
                                                   Compact.       Mech.
                                                                                                  Required
                                                                               Noise Level
                                                     LA12         Plant3                         to Achieve
                                     Loading                                    Criteria
                                                                   LAeq                            Indoor
                                     Dock, LA1                                   dB(A)
                                                                                                    Noise
                                                                                                    Limit4

                          Day            52            28           52          45 LA1,adj,1hr
    Lot 17 Ground       Evening                       N/A                      35 LAeq,adj,1hr
                                                                                                   Type A
         level                                                      41          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

                          Day            57            28           56          45 LA1,adj,1hr     Type A
                        Evening                       N/A                      35 LAeq,adj,1hr
    Lot 17 Level 1
                                                                    45          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

                          Day            60            29           57          45 LA1,adj,1hr     Type A
                        Evening                       N/A                      35 LAeq,adj,1hr
    Lot 17 Level 2
                                                                    48          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

                          Day            46            37           51          45 LA1,adj,1hr    Acoustic
                                                                               35 LAeq,adj,1hr    Seals to
                        Evening                       N/A
    Lot 18 Ground                                                                                 windows,
         level                                                      43                           Non glazed
                                                                                40 LA1,adj,1hr
                          Night                                                                  wall to Type
                                                                               30 LAeq,adj,1hr
                                                                                                       A

                          Day            47            37           57          45 LA1,adj,1hr
                        Evening                       N/A                      35 LAeq,adj,1hr
    Lot 18 Level 1                                                                                 Type A
                                                                    45          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

                          Day            47            41           57          45 LA1,adj,1hr
                        Evening                       N/A                      35 LAeq,adj,1hr
    Lot 18 Level 2                                                                                 Type A
                                                                    46          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

                          Day            52            55           53          45 LA1,adj,1hr     Type A

    Lot 19 Ground       Evening                       N/A                      35 LAeq,adj,1hr
         level
                                                                    39          40 LA1,adj,1hr
                          Night
                                                                               30 LAeq,adj,1hr

    Lot 19 Level 1        Day            61            63           56          45 LA1,adj,1hr     Type B


I:\Jobs\2019\20191414\20191414.2\20200827OBA_R2_Noise_Impact_Assessment.docx                                    23