RECOR Preliminary Stormwater Management Report - 20220130

 CONCLUSION

This Stormwater Management Report has outlined how the stormwater run-off from the site is to be managed to
comply with the relevant requirements and minimise any adverse impacts to the downstream catchments.

         The proposed site stormwater run-off is captured internally and discharge by kerb adaptors into Safari Street
          as the lawful point of discharge. Field inlet pits are provided within the development to capture upstream
          run-off and subsoil drainage from retaining walls to convey it to the point of discharge.

         Provision of 3kL tank per dwelling complies with the Sustainable Building Design code for reuse.

         The existing and proposed development site have been modelled for the critical design storm events for the
          site, which found there would be only a minor increase to peak flows that is unlikely to impact downstream
          properties or infrastructure. No attenuation is therefore proposed for the development.

         During construction, erosion and sediment control measures are to be implemented to minimise potential
          contaminants impacting the downstream receiving environment in line with the objectives of Appendix 2 of
          the SPP. An erosion and sediment control plan shall be developed as part of a submission for Operational
          Works approvals.

         As the development is a small residential site that does not significantly alter the pollutant generating
          characteristics of the site, stormwater quality treatment is not proposed for the development.

         The proposed stormwater solution is considered to minimise any adverse impacts to the downstream
          environment arising from the stormwater run-off while also meeting the stormwater quantity targets required
          for the development.




Project number 20220130
File RECOR Preliminary Stormwater Management Report - 20220130, 2022-11-08                                       Page 12 of 15
Revision 3


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