Approved Plans OPW26-0069

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               THE TANK SUPPLIERS FINAL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              DETAILS TO BE CONFIRMED BY
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              ARCOS PRIOR TO INSTALLATION

                                                                                                                                                                                                                                                                                                                                                            EXISTING SURFACE




                                                                                                                                                                                                                                                                     PAVEMENT AS                                                                                              600x600 SQUARE
                                                                                                                                                                                                                                                                     SPECIFIED                  DESIGN SURFACE                                                                GRATED INLET

                                                                                                                                                                                                                                                                                                                                                                                                                                    ROOF SLAB TANK
                                                                                                                                                                                                                                                                                                                                                                                                                                                               ENSURE MIN
                                                                                                                                                                                                                                                                                                                                                                                                                                                               350mm COVER




                                                                                                                                                                                                                                                                                                                                                                                                                                                                               ROOF WATER STUB, TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                               DIRECT ROOF RUNOFF TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                       FLOW                    RETENTION TANK
                                                                                                                                                                                                                                                                                            FLOW




                                                                                                                                                                                                                                                                                                                                                                                                       STORAGE VOLUMES:                               STAINLESS STEEL SHEET WITH BELOW ORIFICE ARRANGEMENT:
                                                                                                                                                                                                                                                                                                                                                                                                       RETENTION MIN 75kL                             70mm Ø HOLE AT THE BASE
                                                                                                                                                                                                                                                                                                                                                                                                                                                      105mm Ø HOLE 0.5m ABOVE THE BASE




                                                                                                                                                                                                                                                                                                                        1.60
                                                                                                                                                                                                                                                                                                                                                                                                       DETENTION MIN 76kL
                                                                                                                                                                                                                                                                                                                                                                                                        TOTAL MIN 151kL                               90mm Ø HOLE 1.0m ABOVE THE BASE
                                                                                                                                                                                                                                                                                                                                                                                                                                                      100mm X 600mm WIDE RECTANGULAR WEIR AT THE TOP


                                                                                                                                                                                                                                                                                                                                                                                                                                                      FLOW
                                                                                                                                                                                                                                                                                     9.5kL TANKS, 8 TANKS
                                                                                                                                                                                                                                                                                     FOR RETENTION & 8
                                                                                                                                                                                                                                                                                     TANKS FOR DETENTION



                                                                                                                                                                                                                                                                                                                                                                                                      2.25W X 3.25L EACH TANK
                                                                                                                                                                                                                                                                                                                        BASE OF TANK                                                                                                                  BELOW GROUND TANK OSD
                                                                                                                                                                                                                                                                                                                                                                4.50W X 26.0L TOTAL                                                                   SYSTEMS IN ACCORDANCE
                                                                                                                                                                                                                                                                                                                                                                                                                                                      WITH AS3500.3




                                                                                                                                                                                                                                                                                                                                    DETENTION TANK DETAIL
                                                                                                                                                                                                                                                                                                                                                                                  SCALE 1:50
                                             Filename: C:\PROJECTS\240444 - SOCIAL HOUSING - 62 LAKE MACDONALD DRIVE, COOROY\3.0 CAD\DRAWINGS\OPW\240444-OPW-C-410.DWG
   Last Plotted: 2026-04-24 9:24 AM




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          NOOSA COUNCIL
   Last saved by: JACKHARRISON(2026-04-16)




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         APPROVED PLAN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       OPW26/0069 5 AUG 2026

                                                                                                                                                                                                                                North Point   Scale                          Horiz. Datum      Client                           Consultant                                                                                      Project                                                                  Drawing
                                                                                                                                                                                                                                                                               LOCAL                                                                                                                                                                                          Drawn              JH                                               Project No.        Drawing No.           Rev No.
                                                                                                                                                                                                                                                                                                          COAST2BAY                                                                                                                             SOCIAL HOUSING                                                           STORMWATER TANK
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              Design             JH
                                                                                                                                                                                                                                                                                                        HOUSING GROUP                                                                                                                     OPERATIONAL WORKS - CIVIL                                                          SECTION
                                                                                                                                                                          C MINOR UPDATE TO SET               24.04.26 LS
                                                                                                                                                                                                                                                 0m
                                                                                                                                                                                                                                                 A1 1:25
                                                                                                                                                                                                                                                           0.625   1.25
                                                                                                                                                                                                                                                                             Vert. Datum
                                                                                                                                                                                                                                                                                AHD
                                                                                                                                                                                                                                                                                                                                                                                                                                           62 LAKE MCDONALD DRIVE,            Check              LS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   240444           OPW-C-411               C
                                                                                                                                                                          B FOR TENDER                        16.04.26 LS                                                     RL Datum                                                                                             CIVIL | STRUCTURAL | GEOTECHNICAL                           COOROY, QLD, 4563              Approved                        Approved Date   Signed                                               Sheet
                                                                                                                                                                          - -
                                                                                                                                                                         Rev           Revision Description
                                                                                                                                                                                                                  -     -
                                                                                                                                                                                                                Date Approved
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                              LACHLAN SWANN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              RPEQ    21223
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              16.04.26                        Status   FOR TENDER
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   Size     A1
Document Set ID: 24771665
Version: 1, Version Date: 18/05/2026