Compiled Approved Plans OPW25/0042.02

       BIORETENTION BASIN NOTES:                                                                                                         150                          150
        ·         VEGETATION TO COMPLY WITH THE REQUIREMENTS OF APPENDIX "A" OF                                                                                                                                                                                                                                                                                  BIORETENTION BASIN '2, 4A, 4B, 5 & 6'




                                                                                                                                                                               100
                  "HEALTHY WATERWAYS WATER SENSITIVE URBAN DESIGN" TO LOAMY                       BIO BASIN OVERFLOW LEVEL                                                                          'TYPE 1' GRATE.                                                                                                                                                     TOTAL AREA = 11m2
                  SOILS. REFER TO LANDSCAPE ARCHITECTS PLANS FOR DETAILS.                         REFER LONG SECTIONS                                                                               REFER IPWEAQ D-0050
                                                                                                                                                                                                                                                                                                                                                                                  FILTER AREA = 6m2
        ·         FAWB (FACILITY FOR ADVANCING WATER BIOFILTRATION) ACCREDITED                                                                                                                                                                                                                                                                                                                                              VEGETATION TO COMPLY WITH THE




                                                                                                                            200
                                                                                                                                                                                                          FILTER MEDIA LEVEL                                                                                                                                                                                                REQUIREMENTS OF APPENDIX A OF 'HEALTHY
                  CERTIFICATION FOR FILTRATION MEDIA TO BE FORWARDED TO THE
                                                                                                                                                                                                                                                                                    BATTER STABILIZED/PINNED
                  ENGINEER PRIOR TO PLACEMENT.                                                                                                                                                                                                                                                                                                                                                                              WATERWAYS WATER SENSITIVE URBAN DESIGN'
                                                                                                                                                                                                                                                                                    WITH JUTE MATE OR
                                                                                                                                                                                                                                                                                                                                                                                                                            TO LOAMY SOILS. REFER LANDSCAPE
                                                                                                                                                                                                                                                                                    SIMILAR APPROVED
        ·         SUBSOIL DRAINAGE PIPES TO BE UNSOCKED SLOTTED uPVC LAID AT 1:200                                                                                                                                                                                                                                                                                                                                          ARCHITECTS DETAILS
                  MINIMUM GRADE                                                                                                                                                                                                                                                                                                                                   EXTENDED DETENTION LEVEL




                                                                                                                                                                                                                                                                                                                      300 MIN




                                                                                                                                                                                                                                                                                                                                                                                                                      0.2
        ·         ALL RIGHT ANGLE SUBSOIL PIPE BENDS ARE TO BE CREATED USING 2x 45°
                  BENDS .                                                                                                                                                                                                                                                                                                                                              SURFACE LEVEL
                                                                                                                                                                                                                                                                                                                                             1




                                                                                                                                                                                     150
                                                                                                                                                                                                                                                                                                                                              3 MAX                                                                                            SANDY LOAM. HYDRAULIC CONDUCTIVITY
        ·      INSPECTION HOLD POINTS FOR BIORETENTION BASIN CONSTRUCTION ARE




                                                                                                                                                                                                                                                                                                                                                                                                                                   0.5
               AS FOLLOWS.                                                                                                                                                               NOTE : GRATE TO BE HOT DIP                                                                                                                                                                                                                            200mm/hr IN ACCORDANCE WITH 'GUIDELINE
            1.   COMPLETION OF BULK EARTHWORKS.                                                                     PIPE DIAMETER AS NOMINATED                                           GALVANISED. WITH 10 SIDE PLATES                                                                                                                                                                                                                       SPECIFICATION FOR SOIL MEDIA IN
                                                                                                                                                                                         AND 50*6 BARS AT 50 CRS.                                                                                                                 TOP SOIL LAYER                                                                                               BIORETENTION SYSTEMS, FACILITY FOR
            2. COMPLETION OF SUBSOIL DRAINAGE SYSTEM.




                                                                                                                                                                                                                                                                                                                                                                                                                             0.1
            3. COMPLETION OF COARSE SAND TRANSITION LAYER.
                                                                                                                                              SECTION                                                                                                                                                                                                                                                                                          ADVANCING WATER BIOFILTRATION.'




                                                                                                                                                                                                                                                                                                                                                                                                                                   0.2
                                                                                                                                                                                                                     REFER DRAINAGE
            4. COMPLETION OF SANDY LOAM FILTRATION MEDIA LAYER.
                                                                                                                                                                                                                     LONGSECTIONS
                                                                                                                                         150                          150                                            FOR PIT SIZES &                                                                                                       COARSE SAND
        ·         FLUSH OUT POINTS ARE TO BE FITTED WITH A FIXED INSPECTION OPENING                                                                                                                                                                                                                                                                                                                                 100 DIA SLOTTED uPVC PIPE LAID 2m CTRS AT
                                                                                                                                                                                                                     CLASS                                                                                                                 TRANSITION LAYER




                                                                                                                                                                                           50
                  CAP. SCREW ON CAPS ARE NOT ACCEPTABLE.                                                                                                                                                                                                                                                                                                                                                            0.5% FALL. DISCHARGE TO STORMWATER




                                                                                                                                                                                                   150
                                                                                                                                                                                                                                                                                                                             GEOFABRIC TO BE PROVIDED                                                               SYSTEM TANK. PROVIDE 100mm DIA CAPPED
        ·         SANDY LOAM FILTRATION MEDIA LAYER IS TO BE PROTECTED BY A                                                                                                                                                                                                                                                 AROUND BIORETENTION MEDIA                                                               uPVC FLUSH OUT POINTS AT HEAD OF LINE
                  GEOFABRIC LAYER OR APPROVED EQUIVALENT FOR THE DURATION OF                                                                                                                                                              SCREW CAP AND CONCRETE SURROUND                                                                5mm SCREENINGS
                  CONSTRUCTION.                                                                                                                                                                                                           FLUSH OUT POINT. 45deg BEND. REFER                                                                                                                                          IMPERMEABLE LAYER 'VISQUEEN OR APPROVED
        ·         THE FOLLOWING QA IS TO BE PROVIDED BY THE CONTRACTOR




                                                                                                                                                                                           50
                                                                                                                                                                                                                                          TO WSUD-003 FOR DETAILS                                                                                                                                                     SIMILAR' TO BE PROVIDED AROUND
            -      PHOTOGRAPHS OF GEOFABRIC LINING INSTALLED
                                                                                                                                                                                                                                                                                                                                                                                                                      BIORETENTION MEDIA
            -      PHOTOGRAPHS OF FIRST DRAINAGE LAYER INSTALLED




                                                                                                                                                                                                   150




                                                                                                                                                                                                                                                                                                          0.2
                                                                                                                                                                                                                                                                                                                MIN
            -      PHOTOGRAPHS OF SUBSOIL DRAINS AND RISERS INSTALLED
            -      AS CON SURVEY OF SUBSOIL DRAINS AND RISERS INSTALLED (NOTE                                                                                                                                                                                           3                                                                             BIORETENTION BASIN 2, 3A, 3B, 5 & 6
                                                                                                                                                                                                                                                                               1
                   MINIMUM FALLS)                                                                                                                                       GRATE TO BE HEAVY DUTY
            -      PHOTOGRAPHS OF FIRST DRAINAGE LAYER INSTALLED                                                                                                        HOT DIP GALVANISED.                                                                                                                                                                                      SCALE 1 : 20 (A1)
            -      PHOTOGRAPHS OF FILTER LAYER INSTALLED                                                                                                                IPWEAQ TYPE 1                                                                                                                                                       100DIA SLOTTED
            -      FILTER MATERIAL TEST RESULTS (INCLUDING PERMEABILITY)                                                                                                                                                                                                                                                                    uPVC PIPE.
                                                                                                                                                     PLAN
                                                                                                                                                                                                                                                                                                                                                                                                                            BIO BASIN          TOTAL AREA (m2)        FILTER AREA (m2)    SURFACE LEVEL (RL)
                                                                                                         BIO BASIN RAISED GRATED PIT DETAIL
                                                                                                                                                     SCALE 1:20
                                                                                                                                                                                                                                                                                                                                                             ALL LIDS/GRATES TO                                                    1                   135                   100                    10.45
                                                                                                                                                                                                                                                                                                                                                             BE BOLT DOWN TYPE                                                     2                   11                    6                      17.70
                                                                                                                                                                                                                                          TYPICAL CLEANOUT POINT DETAIL                                                                                                                                                            4A                  11                    6                      19.30
                                                                                                                                                                                                                                            SCALE 1 : 20 (A1)                                                                                                                                                                      4B                  11                    6                      21.20
                                                                                                                                                                                                                                                                                                                                                                                                                                   5                   11                    6                      20.90
                                                                                                                                                                                                                                                                                                                                                                                                                                   6                   11                    6                      20.45
                                                                                                                                                            PROPOSED DRAINAGE LOW FLOW
                                                                                                                                                            PIPE. REFER DWG D10 FOR DETAILS
                                                                                                                                                                                                                                                                                                                      SANDY LOAM. HYDRAULIC CONDUCTIVITY
                                                                                                                                                                                                                                    BATTER STABILIZED/PINNED                                                          200mm/hr IN ACCORDANCE WITH 'GUIDELINE
                                                                                                                                                                                                                                    WITH JUTE MATE OR                                                                 SPECIFICATION FOR SOIL MEDIA IN
                                                                                                                                                                                                                                    SIMILAR APPROVED                                                                  BIORETENTION SYSTEMS, FACILITY FOR
                                                                                                                                                                              BIORETENTION BASIN '1'                                                                                                                  ADVANCING WATER BIOFILTRATION.'
                                                                                                                                                                               TOTAL AREA = 135m2                                                                                                                                                                                                         TOP OF WALL RL11.20
                                                                                                                                                                                                                                                                                                                           PROPOSED RAPID INFILTRATION
                                                                                                                                                                                  FILTER AREA = 100m2                                                                                                                      CULVERT. REFER DWG D10 FOR
                                                                                                                                                                                                                                                                                                                           DETAILS
                                                                                                                                                                                                                                                                                                                                                                                                               WEIR RL10.85
                                                                                                                                                                        EXTENDED DETENTION LEVEL

                                                                                                                                                                                                                                                                                                                                                                                                                                                             PROPOSED ROCK GABION WALL




                                                                                                                                                                                                                                                                              0.3
                             PROPOSED 300kL TANK                                                                                           SURFACE LEVEL RL10.45                                                                                                                                                       1                                                                                                                                     HEIGHT VARIES
                                                                                                                                                                                                                                                                                                       3 MAX                                                                                                                                                 1.4m TO 2.70m




                                                                                                                                                                                                                                                                                                 0.5
                                                                                                                                                                                                                                                                                           0.1
                                                                                                                                                                                                                                                                                                 0.2
                                                                                                                                                                                                                    BIO BASE RL 9.65

                                                                                                                         COARSE SAND                                                                                                                                                                                                                                                                                                        HEIGHT VARIES
                                                                                                                         TRANSITION LAYER                                                                                                                                                                                                  TOP ROCK RL9.15                                                                                  RL8.5 TO RL11.20
                                                                                                                 GEOFABRIC TO BE PROVIDED
                                                                                                                AROUND BIORETENTION MEDIA                                                                                                                                                                                                  BASE ROCK RL8.95
                                                                                                                             5mm SCREENINGS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  -

                                                                                                                                                                                                                                                                      PROPOSED DRAINAGE HIGH                                                    BIORETENTION BASIN 1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        APPROVED PLAN
                                                                                               100 DIA SLOTTED uPVC PIPE LAID 2m CTRS AT                             IMPERMEABLE LAYER 'VISQUEEN OR
                                                                                               0.5% FALL. DISCHARGE TO STORMWATER                                    APPROVED SIMILAR' TO BE PROVIDED
                                                                                                                                                                                                                                                                      FLOW PIPE. REFER DWG D10                                                                                                                                                                            OPW25/0042
                                                                                                                                                                                                                                                                      FOR DETAILS                                                                            SCALE 1 : 20 (A1)
                                                                                               SYSTEM TANK. PROVIDE 100mm DIA CAPPED                                 AROUND BIORETENTION MEDIA                                                                                                                                                                                                                                                                          NOOSA COUNCIL
                                                                                               uPVC FLUSH OUT POINTS AT HEAD OF LINE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          23 SEP 2025

     NOTE: ONLY DRAWINGS MARKED "FOR CONSTRUCTION" AND BEARING AN ORIGINAL SIGNATURE SHALL BE USED FOR CONSTRUCTION Design:
                                                                                                                    PURPOSES.
                                                                                                                            PBL                                                                                                                                                                                                 PROJECT:                                                                                                 DRAWING TITLE:
                                                                                                                                                                                                                                                      Brah 101 pty ltd t/a Alta Projects
                                                                                                                       Drawn: PBL
                                                                                                                                                                                                                                                      A.B.N. 91 611 354 511                                                                                                                                                              WATER QUALITY DETAILS
                                                                                    FOR APPROVAL                        Date: AUG 2022                                                                                                                26 Memorial Avenue, Cotton Tree                                           PROPOSED HOTEL
                                                                                         NOT FOR CONSTRUCTION                                                                                                                                         PO Box 559, Cotton Tree, QLD, 4558                                                                                                                                                                                                 Revision       Sheet
                                                                                                                     Checked:. . . . . . . . . . .
                                                                                                                                                                                                                                                      Tel (07) 5475 4125 Fax (07) 5479 1607                                     at 3-7 SERENITY CLOSE, NOOSA HEADS                                                                       DRAWING No:
                                                                                                                                                                                                                                                                                                                                                                                                                                                          A6769-24-WQ02                    A           2 of
                                                                                        STEVEN HARRISON
                                                                                                                                                                                                                                                      Email: [email protected]
       A        27/02/2025   ISSUE FOR APPROVAL                       PL     S.H.
                                                                                    .......................
                                                                                        DIRECTOR APPROVAL                 Datum AHD
                                                                                                                                                                                                                                                      Web: http://www.alta.net.au                                               for CALILE MALOUF INVESTMENTS
      REV        DATE                             DESCRIPTION         BY    CHKD        RPEQ - 4784                        A1 SHEET SIZE                FILENAME : a6769-24-WQ02 WATER QUALITY DETAILS.dwg - DATE : 28/2/25 - 11:52am - XREF's: H-Approved-SH; H-Checked-SH                                                                                                                     Council Ref:

Document Set ID: 24143616
                  23646597
Version: 1, Version Date: 24/09/2025
                          21/03/2025