07/2398 - Revised Noise Report and cover letters to referral agencies [As Published] · 132007.2398

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RSL Care ==
Proposed RSL Retirement Village, Cooroy - Road and Rail Noise Assessment (Revised) —

 

 

 

 

 

 

 

 

 

 

 

stTc
Component Range Examples of Construction
37 43.52 mm laminated, awning with acoustic seals (Bradnams)
34 10.38 mm laminated, awning with acoustic seals (Bradnams)
Windows 29 6.38 mm laminated, sliding with acoustic seals or 6 mm awning
(Bradnams)
25 4 mm sliding (Bradnams)
34 13.52 laminated, with acoustic seals (Bradnams)
Sliding Doors 30 6.38 laminated, with acoustic seals (Bradnams)
25 4 mm glazing (Bradnams)
30 42-mm solid-core plywood door, soft plastics gasket around
sides and top and drop seal at base (AS 3671).
Pivot Doors
27 35-mm solid-core plywood door, soft plastics gasket around
sides and top and drop seal at base (AS 3671).

 

 

 

 

 

Before any construction material is chosen for the proposed buildings, STC information should be
sought from the suppliers to ensure that the minimum STC’s are achievable. In order to achieve
design STC ratings it is essential that the acoustically treated areas be constructed in a manner
conducive to maximising sound attenuation. For example, there must be no air gaps around
windows or at the eaves, which could act as noise pathways.

5.6.4 Open Space

Figure 10a presents predicted ground Lato1enour noise contours across the whole site. Figures
10b to 10f present predicted ground contours for the ILUs adjacent to the Cooroy Connection Road.
As identified on these figures, compliance with the DMR criterion for private open space is
predicted across the majority of the development.

Noise levels at private terrace areas are predicted to exceed the criteria for a number of ILU
buildings located adjacent to the Cooroy Connection Road (ILU buildings 94, 97, 104, 107, 108, 115
and 116). However, as indicated on Figures 10b to 10f, a large proportion of compliant area is
provided in the shadow region of each ILU building. Hence, compliance with the DMR criterion is
predicted provided that private open space is designated in the shadow zone of these ILU buildings.

 

AIR NOISE ENVIRONMENT PTY LTD
JNETWORK/PROJECTS/1750/REPORTING/2008 REVISION/1750REPORT04.00T Page 42