AS PUBLISHED Negotiated Report (Representations made) MCU23 0094 · MCU23/0094

                        33132-SW1.5         -       Bio Retention Layout Plan                   N/A
                                            Show the subsoil drainage layout in plan view, clarify whether the
                        Amendments
                                            150dia and 225dia collection pipes are slotted, and adjust the
                                            drainage and transition layers as necessary to ensure that the
                                            drainage layer achieves at least 50mm of cover over the largest
                                            slotted pipe

                        Plan No.            Rev.    Plan/Document Name                          Date

                        33132-SW1.2         C       Stormwater Details                          5.12.2023

                        33132-SW1.5         -       Bio Retention Layout Plan                   N/A
                                            Update the underground detention tanks to comply with
                        Amendments
                                            AS3500.3:2021 Section 7.10.2 and include minimum slope on base,
                                            sump and access ladder, screen over orifice to prevent blockage.
                                            Amend the storage volumes to match those stated on drawing
                                            33132-SW1.1C

               Applicant’s Representation
               The applicant requests that the preliminary approved be converted to a Development Permit
               following the submission of amended plans as detailed below:

               Please find attached the updated landscaping and engineering drawings addressing Council’s plan
               requiring amendments including:
               -     Bioretention layout plan updated - Detention tank details - Landscaping adjacent to Lot 2
                     includes syzigium and callistemon
               -     Headland Dr landscaping basin landscaping extended into road reserve
               -     Landscaping species updated A full Development Permit should be issued, and standard
                     conditions included.

               Assessment of Representation
               Council’s Senior Development Engineer and External Consultant confirm that the amended
               documentation addresses the conditions and notes:

                      Plan SW1.5 has been amended. Underdrains joining into the collector pipe amended to show
                      45-degree joins.
                      An updated plan has been provided. The total volumes on drawing SW1.3 now match those
                      on SW1.1. Screens are shown over orifices. Access openings shown in the plans and fall is
                      shown on the base of the tanks.
                      A note has also been added to the drawings stating that the tank design is concept only.
                      A total storage volume of 32kL is shown over 3 tanks, which matches the volumes in the
                      SCG SWMP dated 12/03/2024.
                      A condition should be applied requiring the final tank supplier/manufacturer to certify
                      compliance with AS3500.3:2021 Section 7.10.2.
                      It is recommended that a Development Permit for Operational Works – Drainage Work,
                      Stormwater now be included.
               Council’s Senior Environmental Officer has also reviewed the revised landscaping plans provided
               and agrees with the changes and recommends that a Development Permit for Operational Works
               – Landscaping is to be issued.




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Document Set ID: 22926712
Version: 8, Version Date: 13/05/2024