07/2398 - Request for information response [As Published] · 132007.2398

ask

© 57 dB(A) L101 8hour) or less, where existing levels measured at the local govemment deemed-to-
comply dwelling setback distance are less than or equal to 45 dB(A) L90(1 8hour);

The definition of formal open space is as follows: the private or communal recreational area of a
development “required” by a local government”.

A note is to both of the above added which states:

Note: All external levels stated are free-field with the expectation that an additional 2.5dB(A) increase is
applied for the facade correction when thé building is constructed. This will achieve a level equal to or less
than 63 dB(A) and 60 dB(A) respectively, | metre from the most exposed facade of a building.

Based on the measured L90(8hour) of 33.5 dB(A), the appropriate noise limit for habitable floors is 57
dB(A) free field, or, equivalently, 60 dB(A) facade reflected.

Based on the measured L90(I8hour) of 47.1 dB(A), the appropriate noise limit for formal external
open space is 60 dB(A) free field, or, equivalently, 63 dB(A) facade reflected.

5.2 Rail Traffic

Discussions with a town planner from Sunshine Coast Regional Council indicated that the former
Noosa Shire Council did not have noise limits relating to train noise.

As a result Queensland Transport (QT) noise limits have been used to assess the noise impact of .
passing trains on the proposed development. vemaanimunn ‘sn

Queensland Transport's Interests in Planning Schemes No.3 sets indoor design level noise criteria. -
The indoor criterion to be met is an average maximum internal noise level between !Opm and 6am:
of no greater than 50 dB(A) for sleeping and living areas.

Recent experience with QT has lead to the use of an Lmax 60 dB(A) for living areas between 6am to
|Opm and the adoption of the Lmax 50 dB(A) for sleeping areas between |Opm and 6am. This
60 dB(A) living area criterion is in line with that utilised by BCC and has been adopted for this
assessment.

In addition Queensland Transport utilises external criteria, which are:

|. 65dB(A), assessed as the 24 hour average equivalent continuous A-weighted sound pressure
level; and .

2. 87dB(A), assessed as a single event maximum sound pressure level when measured | m from
the most exposed part of the noise-sensitive place.

Page 7
499 1ROIVOI doc Proposed RSL Care Retirement Village Cooroy RSL Care P)