8. APP G. Engineering RFI Response

CONTENTS

          EXECUTIVE SUMMARY........................................................................................................... 1
          SITE CHARACTERISTICS........................................................................................................ 2
                  Site Description............................................................................................................................ 2
                  Existing Topography and Stormwater Infrastructure ...................................................................... 3
                  Drainage EasementS ................................................................................................................... 3
          PROPOSED DEVELOPMENT .................................................................................................. 4
                  Proposed Internal Drainage Pattern .............................................................................................. 4
                  External CatchmentS ................................................................................................................... 4
                  Flood Assessment........................................................................................................................ 4
          INTERNAL CATCHMENT ASSESSMENT................................................................................. 5
                  Temporal Patterns........................................................................................................................ 5
                  LEGAl Point of Discharge ............................................................................................................. 5
                  CATCHMENTS ............................................................................................................................ 5
                  Catchment 1 DISCHARGE ........................................................................................................... 5
                  Catchment 2 DISCHARGE ........................................................................................................... 6
                  CATCHMENT 3 DISCHARGE ...................................................................................................... 6
          STORMWATER QUANTITY, DETENTION & HYDRAULICS ..................................................... 8
                  Objectives.................................................................................................................................... 8
          STORMWATER QUALITY ...................................................................................................... 10
                  Existing Water Quality ................................................................................................................ 10
                  Water Quality Environmental Values and Water Quality Objectives (WQO) .................................. 10
                  Proposed Stormwater Improvement Devices............................................................................... 10
                  BIO RETENTION Basins ............................................................................................................ 11
                  Modelling of the Development Site (MUSIC) ............................................................................... 12
          CONCLUSION ........................................................................................................................ 16




139 Eumundi Noosa Road & 30 Lionel Donovan Drive, Noosaville Service Station and Retail Site—Stormwater
Management Plans
Hyder Consulting Pty Ltd-ABN 76 104 485 289                                                                                                                          i
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