UPDATED DA - Attachment 10 Stormwater Management Plan

                                   STORMWATER MANAGEMENT PLAN

Client: Noosa Shire Council                                                                 Location: Doonan


7.0      CONCLUSION
This SMP demonstrates the stormwater management strategies proposed for redevelopment of the Doonan
Landfill Resource Recovery at 561 Eumundi-Noosa Road, Doonan satisfy Noose Shire Council (NSC) and
Queensland State Planning Policy (SPP, 2017) requirements.

As described in Section 3.0, the change to the overall catchment peak flows within the overall catchment will
be negligible since the proposed development area is insignificant compared to the overall catchment area
discharging downstream. Further, the peak discharge of the proposed development will arrive at the outlet
well before the overall catchment peak discharge. Ultimately, this ensures no actionable nuisance to the
surrounding properties due to the proposed development and therefore no detention measures are required
for the site.

As described in Table 5-4, the stormwater treatment measures selected for the proposed development
achieve the performance criteria set by the NSC and by the SPP (2017). Annual load reductions of TSS, TP
and TN between the unmitigated and mitigated MUSIC model scenarios have been met or exceeded. It is
considered that a conservative approach has been taken as no routing in the drainage links has been adopted.

Sufficient consideration of stormwater controls has been demonstrated by:

       Compliance with the requirements of the Noosa Shire Council’s Planning Scheme (2020);
       Compliance with the State Planning Policy (2017); and
       Compliance with QUDM (2017).




                                                 11                                      Project No: 244035
                                                                                        M25-0042 Rpt Issue A