Noise Report [As Published] · 132007.2398

RSL Care

Proposed RSL Retirement Village, Cooroy —- Road and Rail Noise Assessment

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TABLE 5.3: FIRST FLOOR RAILWAY NOISE ATTENUATION REQUIREMENTS

 

 

 

 

Predicted Lamax .
. . Internal Lamax Required
Building Noise Levels an .
(Facade-Corrected) Criteria Attenuation dB
Apartment 2 90.2 50 40.2

 

 

 

TABLE 5.4: ESTIMATED STC FOR PROPOSED BUILDING COMPONENTS

 

 

 

 

Estimated STC a
Component dB(A) Description
Pitched roof with 6 mm corrugated cellulose-
a: . cement over 10 mm gypsum plasterboard, plus 50
Roof / Ceiling 39-40 Imm thick 12 kg/m’ glass fibre blanket between
ceiling joists (AS 3671)
Timber stud-framed walls at 600 mm, clad
externally with 7.5 mm CSR Fibre Cement Texture
External Walls 40 Base Sheet and 13 mm Gyprock Fyrcheck MR
plasterboard, and internally with 10 mm Gyprock
Plasterboard CD (CSR)'
Glass Windows and 39-41 Fixed double glazing - 12 mm and 5 mm glazing

 

Doors

 

lat 25 mm (AS 3671)

 

 

CSR Gyprock Fibre Cement: The Red Book, CSR, 2004.

It is noted that the rail noise attenuation requirements for Apartment 2 (STC 40.2) is greater
than that predicted for road traffic noise attenuation (STC 37.2 as shown in Table 4.5, Section
4.6.3). Therefore, the higher STC of 40.2 must be achieved.

 

AIR NOISE ENVIRONMENT PTY LTD
PA1750\REPORTING\1750FINAL.DOC

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