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MCU12/0012 Objections to acoustic report for Noosa Quad Bike Tours
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SCRC CORRESPONDENCE
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Email: [email protected]
80478687
Mr Jack Lewis
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Sunshine Coast Regional Council ~(") "RECE\VED
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Dear Jack , I
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We wish to object to the findings in David Moore and Associates Acoustic report for Noosa Quad 8ike Tours
at 298 Tablelands Road Cooran, MCU12/0012.
We have forwarded the PD Online version of the Moore Report to three separate Acoustic Consultants in
Brisbane individually and separately. All consultants are members of the AAAC, and all hold Engineer
Degrees as a minimum of expertise. They each provided a brief response after reviewing the report over a
few days. We have included the full response from the three consultants and their level of expertise for
which they make their assessments.
Mr Ross Palmer, Palmer Acoustics Pty Ltd
"We have been through the Moore report and advise that it is technically flawed and that he has not
given enough consideration to the real background levels. It is not reasonable to assume that the
background levels can be measured on one site visit. The data should be collected over a minimum of 1
L. week and ideally closer to 1 month. We suggest that you arrange for a noise logger to be in the area for
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a week and to thus find out how low the background levels can drop.
The calculations in the report are wrong (by around 5 dB) and the allowance for 10 dB attenuation from
vegetation has no technical basis. I assume that in some locations that the bikes will be visible from a
residential areas and as such no vegetation attenuation will apply."
,
~f Qualifications: CPEng RPEQ
Acoustic Consultant (Memberof the AAAC)
I have performed a brief review and my comments are listed below:
The noise assessment report by David Moore and Associates ref R12054/D2670/Rev.O/5.05.2012 was
reviewed. The report contained an assessment of potential noise impacts onto surrounding noise
sensitive receivers from the proposed Quad Bike Tours. The report indicated that noise impacts will be
acceptable with no control measures required. Notwithstanding there are several gaps in the report that
are should be addressed in order confirm whether compliance with the applicable standards and
guidelines has been achieved.
To justify the noise sensitive receivers will not be impacted by the proposal the following information
should be provided by the proponent:
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1. Calibration certificated for noise measurements equipment
2. Measurement of Background noise levels across the expected hours of operation. We
expect this would require noise logging at a location representative of the noise sensitive
receivers for a 24hour period or at least across the daytime period 7am to 6pm. Inclusive of a
weekend period, assuming the proposal is to operate on weekends
3. Details of the potential noise increase at each receiver due to adverse metrological conditions
such as temperature inversions
4. Further justification of the 2dB(A) penalty applied for tonality. Expected that 5dBA penalty
would have been applied
5. Further justification of the 10dB(A) deduction for applied for intervening vegetation.
Qualifications: B.Eng (Mech).
Mr Shane Elkin, SLR Consulting Australia
Mr Elkin provided his summation via phone call on 1 June 2012. Mr Elkin questioned the methodology
process for which the source noise level was derived. He identified that the report lent itself to
underestimations of the noise levels. He also stated that the Moore Report applied a ’very crude
prediction technique’ and was missing proper modelling that would normally include such things as
vegetation, terrain etc. In conclusion, Mr Elkin made the point "Could they (these points) make a material
difference to the outcome, yes I think so!"
Qualifications: B.Eng (Mech).
Summary of Reviews
The reviews by these consultants highlight the fundamental flaws within the Moore Report and its sho,rtfalls
in properly assessing the noise impact of this operation upon surrounding properties. These fundamental
issues also beg to que&tion other areas of concern that pertain to the Moore Report if and when a more
detailed review and assessment is carried out.
Other ncm compliant issues pertaining to the Moore Report:
In our layman review of the Moore Report we found it to be insufficient both in its methodology and in its
assessment and cannot be relied upon as a true acoustic assessment of the quad bike operation and their
noise impact upon surrounding properties. Below are the issues that pertain to this report and elaborations
on key areas as well.
. No measure of noise in the afternoon or on weekends
. No measure of temperatures at time of assessment or weather conditions (raining,windy?)
. No measure of patron noise on site
. No measure of instructor noise on site
. No measure of the levels of ATV noise under higher power settings
. No measurement of atmospheric effects in focusing sounds within the gully and the surrounding
properties a top of the ridge.
. No proper modelling using Sound plan or similar recognised modelling software
. No minimum and maximum noise level recordings were included
. No indication of ATV bike modification (though Mr Moore stated verbally he was aware of
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discussions between Mr Marais and the supplier about modifications to the bike to reduce noise)
. Measurements were undertaken on one quad bike on&,(Mr Moore indicated that it was not
possible to have 12 quad bikes on the training circuit as it would be too dangerous to have that
many vehicles on the circuit at the same time)
. Measurement was undertaken using an experienced quad bike rider instead of inexperienced
riders
. No measurement of noise as the bikes exit the steep slope from the base of the property or at the
gate of the property which they will enter and exit, twice daily (4times per day)
. No calibration certification for noise measurement equipment.
. No measurement of activity on public road for local residents.
. No measure of employee’s parking activity noise
. No measure of minibus vehicle noise for patron pick up and drop off
1. Vegetation
The 1 OdBA deduction applied for intervening vegetation in the Moore Report is unsubstantiated, especially
since there has been considerable clearing on 298 Tablelands Road allowing clear views to the sheds and
the access road in and out-of the property. This is viewable from the road.
The satellite image of the property and the surrounding area included in the Moore report appears to be an
old Google Map image from 2006 and does not show the current cleared areas on the property. We have
included MyMaps from the Council Mapping System showing the variation in vegetation between 2006 and
2008 for 298 Tablelands Road. 2008 shows considerable clearing undertaken by Mr Marais who purchased
the property in that year. Since 2008 much more significant clearing has been undertaken on the property.
In attempt to meet MCU guidelines for the property, the applicant has undertaken the removal of vegetation
which provides a clear view of the site area. See attached satellite mapping images.
2. Separation Distances.
The proximity of neighbouring properties in the Moore Report are understated and no scaling has been
included in the map. The scaling system on the 2008 MyMaps show the properties at a closer proximity to
the quad bike tour site. We questi n why Mr Moore would use an olq map when more recent maps are
readily available on council website? We also question the many approximations used for distances when
they could have been measured more accurately?
3. Terrain and altitude of Neighbouring Properties
Moore report states that the neighbouring properties are over the ridge from the quad bike tour site therefore
noise would not be audible, however many surrounding properties are at the top of the ridge and not beyond
it.
The quad bike tour site is approximately at 199m above sea level whilst the surrounding properties are at
greater heights, some at 280m and more. The sit~ is located within a natural amphitheatre setting, this
makes the noise level inclination at some of the surrounding properties situated at a higher altitude.
4. ATV Noise levels
Nick from Noosa Motorcycles on Eumundi Road, in speaking with Ms Fowler, a local resident, was asked if
different brands of quad bikes make different levels of noise. Nick replied they are all pretty much the same
in noise levels when looking at the quad bike output when they are similar in size.
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If a Honda (4Stroke) TRX 420 at 15m measure at 82 dB(A) in the Palmer Report for Peter Gates
NUMINBAH VALLEY, how is it possible that 12 Kymko 300 quad bikes at 10m measure at 74.2 dB(A)?
If the quad bikes were modified to reduce the noise level and meet the standards, why weren’t the
modifications to the bikes identified in the report, especially if the condition of approval would be based on
this? By omitting any details about the bike’s modifications in any way, this raises serious questions of
transparency of the Moore report provided by the applicant. As you can see the only reference to the bike is
quite ambiguous and infers that there will be other models of bikes used by the operation:
"On Wednesday 18 April 2012 David Moore & Associates Pty Ltd conducted a noise assessment of the
quad bike to be used for the tours, namely a Kymco MXU 300 quad bike with automatic transmission
and a 270cc engine. This assessment was conducted with the quad bike being ridden around the
tesUtraining circuit, together with a background noise assessment"
5. Recovery Vehicle Noise
The Kawasaki Mule recovery vehicle was not tested for noise impact on site and was not included in
calculations in the Moore report with regards to noise levels.
6. Noise impact on local residents along Tablelands Rd
Due to the quad bike tour taking place outside the boundaries for over’ 75% of the time, that being along
Tablelands Road and the Woondum National Park, it would be quite reasonable and fair to argue that the
consideration of noise impact upon local residents should also have been considered and included in this
assessment as this is part of the whole business activity proposed by the applicant.
It is arguably unreasonable for the Council Planning and Development Department, who have a ’statutory
responsibility’ as managers of information to provide a real and ’not illusory’ process of assessment and
scrutiny of this proposal, especially with full council knowledge that the tour will take place outside of
people’s homes and properties. It is clear to all concerned parties that this is the main part of the activity and
disregarding this aspect for an acoustic assessment would ’effectively result in the community being
misinformed as to the impact of noise by this proposal and of the community’s prospects of
opposing the proposal.’ 1
7. The characteristics of the local environment to focus noise and through atmospheric effects
to diffract sound back onto local areas.
If it was provided by Palmer Acoustics that:
"The Numinbah valley could be described as a pristine acoustic environment. The valley in effect encloses
the proposed ATV park and will result in reflections that will ensure that sound from this proposed use will be
clearly audible in the region. In particular at times of temperature inversions (increasing temperature with
altitude usually in early cool mornings) the effect will be to focus ATV noise back into the valley ensuring
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potential audibility up to 2.5 km away around the valley. Such inversions can increase the noise levels
by 10 to 15 dB at distances of more than 1km."2 Then it would be fair and reasonable to assume, being in a
similar acoustic environment, that the Cooran Tablelands have a similar acoustic qualities and range of noise
over greater distances.
1. Referenced from Gates & Ors 11 Gold Coast City Council & Ors [2011J 120 Section 6
2. MCU 201100604 Submission PGates to GCCC 10 May 2012
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The Palmer Report has provided a fuller and more considered report and assessment of the ATVs upon the
environment which the Moore Report lacks.
Council Advice for a Proper Assessment:
We are concerned with the variations in advice by the council to the applicant in regards to an independent
noise assessment.
Originally Jack, you had formally advised Mr Marais on 4 April 2012 that the assessment had originally
provided was inadequate and required the following information, which appears you have extracted from an
email from Mr Rhian Davies, MEnvMan (Cleaner Production) BAppSci (Env Health), Environmental Officer,
SCRC:
"Council considers this outstanding information to be a relevant community concern and it must be provided
in order to objectively assess the impacts on adjacent noise sensitive premises. Therefore it is required
the appli ant address this by engaging the services of a suitably qualified acoustic consultant to
that may be
prepare and submit a noise impact assessment addressing the potential noise impacts
generated by the use (e.g. 12 quad bikes in operation at once, other noise sources such as patron
noise and vehicles arriv ng and departing etc). Where potential impacts are identified which can be
viably controlled, then the assessment must make recommendations for noise amelioration accordingly.
This assessment must be prepared by a suitably qualified person and in accordance with the Ecoaccess
Guideline Planning For Noise Control, the Environmental Protection (Noise)Policy 2008, the EPA Noise
Measurement Manual and relevant Australian Standards, e.g. AS1055 series."
However Mr Moore has stated in his report:
"In accordance with an emai/ from Rhian Davies, Environment Officer, Sunshine Coast RegiOnal
Council, Noosa Quad Bike Tours are required to conduct a noise assessment of the quad bikes using
the testltraining circuit at 2~8 Tablelands Road, Cooran, for up to 12 quad bikes, to determine noise
impact at all of the nearby residences (located as detailed above)."
There appears a disparity between the initial instructions by Mr Davies as to what is required and what is
stated and acted upon by Mr Moore in his actual assessment and report. This raised many questions in our
community as to why there was such an apparent inconsistency in instructions by the council’s
environmental officer in th s assessment.
Summary
In summation of the Moore Report and the deficiencies that have been highlighted, we find the report
insufficient in its ability to adequately assess the noise impact of this MCU application that stands before
council for decision. We have no faith in this report as a community and any further assessments need to
address all issues presented within this letter. As it stands it is highly contestable not only by the community
but also by expert acoustic consultants. We thoroughly concur with Judge Newton in Gates & Ors v Gold
Coast City Council & Ors [2011J 120and its application to other relevant bodies:
"The assessing authority should not be relieved of its statutory responsibility to act as a manager of
information which affords the community a genuine and not an illusory ability to scrutinise
"
applications.
Yours Sincerely
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