RFI - ADG1451.22 Dewatering Management Plan_Rev0_28.02.23

                                                                                      ADG Consulting Pty Ltd


     While this report has not been generated for the purpose of assessing compliance with the requirements
     of workplace health and safety legislation, it is noted that a person conducting a business or undertaking
     must ensure that workers are not exposed to noise that exceeds the exposure standard for noise. The
     exposure standard for noise is defined in the Work Health & Safety Regulation 2011 (QLD) as LAeq,8h of
     85 dB(A) or an LC,peak of 140 dB(C). As such, it is considered appropriate to adopt these exposure
     standards to assess average and peak noise generated at the site with the potential to affect exposure
     levels of nearby sensitive receptors (noting there will be some attenuation between source and receptors
     and actual noise experienced by receptors would need to be measured at the receptor location).
7.6 Reporting
     The Site Manager must keep records of complaints, monitoring records (including continuous noise
     monitoring data), and corrective and preventive actions/methods employed for noise abatement. These
     records must be available on‐site at all times and submitted to NSC by the Site Manager upon request.
7.7 Contingencies
     If noise levels consistently exceed the performance criteria, temporary acoustic barriers will be
     constructed around the offending dewatering systems and plant. Odour control sprays will be applied as
     necessary to mask odour emissions if complaints are received from neighbouring residents. This may
     include the direct injection of deodorisers to the groundwater treatment system.




ADG1451.22 Dewatering Management Plan_Rev0_28.02.23                                                     Page 18