Attachment 7 - Acoustic Report

9. Recommendations
9.1   Acoustic Barrier
Acoustic barriers are recommended to be constructed along the south western boundaries as shown
in Figure 5.

The barriers shall be constructed using 25mm thick lapped timber (minimum 40% overlap), masonry,
Perspex, plywood, or other material with a minimum surface density of 15kg/m 2. The barriers shall
be a height of 2.2m or 1.8m above the finished pad level of the adjacent dwellings and be
constructed in accordance with Main Roads Standard Specification MRTS15 “Noise Fences”. The
barriers shall be free of gaps and holes.

                                   Figure 5: Recommended Acoustic Barriers




                                        Acoustic barrier 2.2m above finished pad level
                                        Acoustic barrier 1.8m above finished pad level




 2019253 R01A Lot 2 & 3 Myall Street, Cooroy RTN ENV.docx © Acoustic Works 2019           Page 21