PACIFIC NATIONAL SPOTSWOOD MAINTENANCE ... - Hobsons Bay

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7.3 Sleep disturbance Maximum noise emissions from the night activities at the SMC site with the installation of the 7m high acoustic barrier have been predicted at Precincts 16 and 17 and are presented in Table 14 together with the NSW EPA sleep disturbance criteria. Table 14 Maximum predicted noise levels in Precincts 16 and 17 with the installation of a 7m high noise barrier Description Predicted noise levels at residences NSW EPA sleep disturbance criteria Compliance Exceedance Locomotive horn 64-83dBA 60-65dBA No Up to 18dB Locomotive movement 38-62dBA 60-65dBA Yes - Roller door alarm
The Planning Scheme Amendment C33 also identifies an adjacent parcel of land to the north east of the SMC site known as Precinct 17 as a strategic redevelopment site and could potentially be used for residential development. • Any future residential development within Precincts 16 and 17 will affect operations at the SMC site by constraining allowable noise emissions. • Based on operation scenarios provided by Pacific National, development of Precincts 16 and 17 for residential purposes will result in noise emissions from the SMC to significantly exceed the SEPP N-1 and sleep disturbance criteria. • The installation of a 7m high noise barrier to the southern and northern boundaries of the SMC will reduce noise emissions to potential residential properties in Precincts 16 and 17. With the installation of the noise barrier the SEPP N-1 noise limits would be achieved for the current typical daily operation during both the day/evening and evening/night shifts, but will be exceeded during the day/evening shift for both current operations and potential future conditions occurring once per month. • The installation of a 7m high noise barrier would reduce maximum noise levels from the SMC site by up to 13dBA but is not sufficient to achieve the NSW EPA sleep disturbance criteria throughout Precincts 16 and 17 for all the SMC operations. • To achieve the SEPP N-1 noise limits and sleep disturbance criteria at all times throughout Precincts 16 and 17, additional measures involving major changes to the operations of the SMC site would be required. S:\Project\2006\2006232ML\RP 001 R05 0228 - SMC noise impact assessment - FINAL.doc 15
Page 1 and 2: Marshall Day Acoustics Pty Ltd A.C.
Page 3 and 4: 1.0 INTRODUCTION The Pacific Nation
Page 5 and 6: Figure 1: Zoning surrounding the SM
Page 7 and 8: Table 1 SEPP N-1 time periods Perio
Page 9 and 10: Table 5 SMC site activities noise e
Page 11 and 12: Noise source One locomotive travell
Page 13 and 14: Predicted noise levels throughout P
Page 15: Noise contours of predicted noise l
Page 19 and 20: APPENDIX B SITE AERIAL PHOTOGRAPH
Page 28 and 29: APPENDIX D PRECINCT 16 - NOISE CONT
Page 30 and 31: Figure D3 - Evening/Night shift Fig
Page 32: Figure D7 - Day/Evening shift - Cur

PACIFIC NATIONAL SPOTSWOOD MAINTENANCE ... - Hobsons Bay

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