Attach H- Acoustic report

descriptor allows for the accumulated noise level emission from numerous sources to be assessed
simultaneously.

2.1.1 Sleep Disturbance

World Health Organisation document entitled “Guidelines for Community Noise” (WHO, 1999)
recommends that to avoid sleep disturbance within bedrooms, indoor guideline values of 45 dB LAmax
should be adopted for single sound events.

Therefore an internal noise level goal of 45 dB(A) LAmax has been used to assess the potential for
sleep disturbance from industry to the southeast of the site. A facade reduction of 5 dB(A) is
assumed for windows open and therefore an external limit of 50 dB(A) L Amax has been assumed.
Transient LAmax events from the proposal were also compared to the existing LAmax traffic exposure of
surrounding sensitive receivers.




0101-R1-01 VerveBD Garnet Street, Cooroy Noise Report.docx                                          4
Report
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