Reference Documents - MCU23 0070

         CONCLUSION & RECOMMENDATIONS
JFP Urban Consultants Pty Ltd has prepared this Site Based Stormwater Management Plan for the
proposed development at 36 & 38 Duke Street, Sunshine Beach. The analyses presented in this report
achieve the following outcomes:

The outcomes of the stormwater analyses are:

   The proposed lawful point of discharge is the kerb & channel on Duke Street and 1% AEP discharge
    is 25L/s.
   On-site detention is proposed. The 1% AEP detention volume is 12.9m³.
   Douglas Lane has adequate capacity to convey 1% AEP external catchment flows so they do not
    enter the site.
   Erosion & sediment control measures are to be finalised during detailed design and incorporated
    in the construction phase.
   As the site area is less than 2500m² the development does not trigger the State Planning Policy
    (2017) for operational phase stormwater quality management and therefore stormwater quality
    treatment devices such as bioretention is not required. However, the site’s internal drainage
    system and the landscaping areas will provide some level of stormwater quality treatment,
    particularly for the gross pollutants and Suspended Solids.

It is recommended that the management strategies presented in this report are incorporated into
future detailed design and subsequent construction. While variations to the concepts are allowed, the
design objectives are to be maintained.




SITE BASED STORMWATER MANAGEMENT PLAN – Revision B                     36 & 38 DUKE STREET, SUNSHINE BEACH
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