In brief - Local studies of stormwater quality improvement
devices may take months or years to complete
The guidelines under the Model for Urban Stormwater Improvement
Conceptualisation operate as a barrier to competition and new
providers entering the market.
Use of Model for Urban Stormwater Improvement
In Queensland a manufactured stormwater quality improvement
device is considered for its acceptability as part of an
operational work application having regard to the criteria in
applicable council planning scheme codes and the Queensland
State Planning Policy.
MUSIC is a software program that models the performance of
stormwater devices in urban catchments. The model relies on the
input of pollutant reduction parameters for the stormwater device
proposed to be used.
Need for rigorous scientific testing and publication of
The guidelines for MUSIC require that the pollutant reduction
parameters for a stormwater device be independently verified by
rigorous scientific testing using a method to suit local or
regional conditions and that the results of the testing be
published in a credible engineering or scientific journal.
The practical outcome of this requirement is that for any new
device to enter the market, the distributor must commission a local
study which may take many months or even years to complete,
depending on rainfall conditions. This may be despite the device
having undergone rigorous scientific testing and being accepted for
use in another jurisdiction.
While there is no questioning the intention of the requirement
of the MUSIC guidelines, the practical effect is they operate as a
barrier to competition and new providers entering the market.
Independent verification scheme will encourage innovation and
To ensure that new technologies and products come to market in
Queensland quickly, there is value in developing an independent
verification scheme for stormwater devices which can be relied on
Steps are already underway to develop such as system. Once in
place, the scheme should help to encourage innovation and
competition, leading to a better outcome for the community as a
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