Appendix A - Engineering Design Plans - 2 of 2 · OPW25/0057

                                                                                                                                                                                                                                                                                                                                                                                                                                              IT IS THE RESPONSIBILITY OF THE
                                                                                                                                                                                                                                                                                                                                                                                                                                          CONTRACTOR TO CONTACT THE RELEVANT
                                                                                                                                                                                                                                                                                                                                                                                                                                         AUTHORITIES TO CONFIRM THE LOCATION OF
                                                                                                                                                                                                                                                                                                                                                                                                                                            ALL EXISTING SERVICES PRIOR TO THE
                                                                                                                                                                                                                                                                                                                                                                                                                                              COMMENCEMENT OF EXCAVATION
                                                                                                     WEIR NOTES:
                                                                                                     1.      INSITU MATERIAL TO BE TESTED AND APPROVED BY GEOTECHNICAL
                 OUTLET CHANNEL DETAILS                                                                      ENGINEER PRIOR TO WEIR CONSTRUCTION
                                                                                                     2.      GROUTED ROCK PITCHING TO BE 75-100 STONES, 300 THICK ON FILTER
                  Q100FLOW                   476l/s
                                                                                                             CLOTH. REFER LANDSCAPE DRAWINGS FOR PLANT SPECIFICATION AND
             Longitudinal Grade           2.00% (MIN)                                                        DETAILS. GEOTECHNICAL ENGINEER TO CONFIRM COMPACTION
                     Lining                  Rock                                                            REQUIREMENTS FOR BUND SUBSOIL.                                                                                                                                                                                   NOTE: WEIR TO BE IN ACCORDANCE
                                                                                                     3.      CONSTRUCTION TOLERANCES AS DOCUMENTED IN THE 'WATER                                                                                                                                                                WITH IPWEA STD DRG DSD-507
                  Mannings 'n'                .06                                                            SENSITIVE URBAN DESIGN CONSTRUCTION AND ESTABLISHMENT
                  Flow Depth                 0.14m                                                           GUIDELINES - SWALES, BIORETENTION SYSTEMS AND WETLANDS'
                    Velocity                0.60m/s                                                          (WATER BY DESIGN) MUST BE ACHIEVED.
                                                                                                                                                                                                                                                        0.5 m                                                                                  6.0 m                                                                         0.5 m
                        d*v                 0.09m²/s




                                                                                                                                                                                                                                                         0.15m




                                                                                                                                                                                                                                                                                                                                                                                                                               0.15m
                 Swale Capacity              520l/s                                                                                                                                                                                                                                     CONCRETE WEIR
                                                                                                                                                                                                                                                                                        R.L 103.40                  Q100 = R.L.103.53                                                                                                        TOP OF BANK RL103.55
                                                                                                                                                                                                                                                                     1:4                                                                                                                                          1:4

                                                                        150 MIN BUND TO
                                                                        CONTAIN Q100 FLOW                                    Q100 DEPTH = 0.13m @
                                                                                                                             MIN 2% CHANNEL GRADE
                                                                                             0.15m


                                                                                                                                                                                                                                                                                                                               300mm WIDE 600mm DEEP
                                                                                                                                                                                                                                                                                                                               CONCRETE WEIR LEVEL SPREADER
                                    EXISTING                                                                                                                                                                                                                                                                                   N32 SL82 MESH CENTRAL
                                    SURFACE

                                                                                                                              STW PIPE
                                                                                                                                                                                                                                                                                                                                  CONCRETE WEIR DETAIL

                  SECTION C          Datum RL101.00
                  SCALE 1:100 A3
                                                                                                                                                                                                                                                                                                                                  SCALE 1:25 (A1) - 1:50 (A3)




                                                                                                                                                                                                                                                                                                                                                                                                                    RP BDY
                  106
                                                                                                                                                                                                                       900x900 FIELD INLET WITH
                                                                                                                                                                                                                       TYPE 1 GRATED INLET
                                                                                                                                                    RP BDY




                                                                                                                                                                                             TOP OF BIO BANK           SL103.2
                  105                                                                                                                                                                        RL103.55                  IL101.6
                                                                                                                     LINER TO EXTEND                                                                                                                                                                            EXISTING SURFACE
                                                                                                                     UNDER WEIR AND
                                                                                                                     ROCK GROUTED ROCK                                                       CONCRETE WEIR                 EXTENDED DETENTION DEPTH                                                                                                                           1.95m
                                                                                    EXISTING GRATED
                                                                                                                                                                                             RL103.40
                  104                                                               STORMWATER PIT                                                                                                                                                                                                                                                                       PLANTED BATTER
                                                                                    SL102.67




                                                                                                                                                                                                                    0.3m
                                                                                                                                                                                                                                                                                                                                                                                                    1:4
                                                                                    IL101.41                                                                    2% MIN
                                                                                                                                                                                             1:3                                                                                                                                                                                1:3




                                                                                                                                                                                                                            0.1m
                  103                                                                                                                                                                                                                                              BIORETENTION BASIN FILTER SURFACE RL102.90
                                                                                                                                                                                                                            0.3m                                                                                                                                                                   TOP OF BANK RL103.55

                                                                                                                                                                                                                                                                                                                                                                                                DESIGN SURFACE
                  102
                                                                                                                                              Ø600 [email protected]%
                                                                                          DSIL101.45                                                                                          USIL101.6                                                                                                                                                                         PERMEABLE LINER
                                                                                                                                                                                                                                                                      SUBSOIL DRAIN GRADING
                                                                                                                                                    PERMEABLE LINER TO EXTEND                                                                                         AT 0.5% TOWARD OUTLET
                  101
                                                                                                                                                                                                                                   FILTER CLOTH FIXED TO
                                                                                               CONNECT TO EXISTING PIT                              500 UNDER GROUTED ROCK
                                                                                                                                                                                                                                   PERIMETER OF PIT
                                                                                                                                                    SPOILS AND PINNED TO BATTER

                  SECTION B          Datum RL100.00
                  SCALE 1:100 A3




                  106




                                                                                                                                                                                                                                                                                                                                                       RP BDY
                                                                         SEDIMENT FOREBAY                                                     150 MIN THICK REINFORCED
                  105                                                    GENERALLY IN ACCORDANCE                                              CONCRETE BASE AND EDGE
                                                                         WITH IPWEA STD DRG DSD-506                                                                                                                                                              EXISTING SURFACE                                                       0.5m
                                                                                                                                                                                                   EXTENDED DETENTION DEPTH                                                                                     1.95m
                                                                                                                                                ROCK APRON ALONG EDGE OF
                  104                                                                                                                           FOREBAY (100-150 NOM DIA)                                                                                                                                  PLANTED BATTER
                                                                                                                                                                                                                                    0.3m




                                                                                                          IL102.95
                                                                                                                                                                                                                                                                                                                                            1:3 M
                                                                                                                                                                                                                                                                                                                     1:3                         AX
                                         Ø600 RCP
                  103                                                                                                    0.5%                                       BIORETENTION BASIN FILTER SURFACE RL102.90
                                                                                                                                                                                                                                                                                                                                        TOP OF BANK RL103.55
                                                                                                                                                                                                                                    NOM 1m




                                               SEWER LINE
                                                                                                                                                                                                                                                                                                                                        DESIGN SURFACE
                  102

                                                                                                                                                                                                                                                                                                                     LINER
                                                                                                                                                                                                                                                                                                                                                                                                                                        Check all dimensions before commencement of work.
                  SECTION A          Datum RL101.00
                                                                                                                                                                                                                                                                                                                                                                                                                                        Check Site boundary dimensions from the Title plans
                  SCALE 1:100 A3
                                                                                                                                                                                                                                                                                                                                                                                                                                        Check Building Boundary clearances by set out.
                                                                                                                                                                                                                                                                                                                                                                                                                                        Notwithstanding the information supplied on this drawing,
                                                                                                                                                                                                                                                                                                                                                                                                                                        the location, depth and extent of underground or overhead
                                                                                                                                                                                                                                                                                                                                                                                          SCALE 1:50 (A1) - 1:100 (A3)                  services are to be confirmed and protected on site by the
                                                                                                                                                                                                                                                                                                                                                                                                                                        contractor prior to commencement of works.

                                                                                                                                                                                  Approved
Checked -    CT                                                                                                                                                                                                                              Drawing title -                                            Project -   PROPOSED 1 INTO 3                           Site -                                                                 Project No.     233467       Sheet No.              C361
Design -    SK            Drawn -   SK                 D   24/03/2025   UPDATED PROJECT NAME                            SK                                                                                                                   BIORETENTION BASIN SECTIONS                                            DEVELOPMENT                                 62 LAKE MACDONALD DRIVE,                                               Digital Ref :
                                                                                                                                                                                                                                                                                                                                                                                                                                                       C361 BIORETENTION BASIN
                                                                                                                                                                                                                                                                                                                                                                                                                                                       SECTIONS                  Issue :      D
                                                       C   14/03/2025   UPDATED LOT LAYOUT                              SK
Scales -    AS SHOWN                                   B   20/09/2024   ISSUE FOR APPROVAL                              SK                                                        COVEY ASSOCIATES PTY LTD     124 DUPORTH AVENUE                                                                       Client -
                                                                                                                                                                                                                                                                                                                    NOOSA COUNCIL                               COOROY                                                                  This Document is copyright and shall not be copied
                                                       A    10/01/24    ISSUE FOR CLIENT REVIEW                         SK
                                                                                                                                                                                  ABN 59 137 305 992           PO BOX 16                                                                                                                                                                                                                without written approval, nor shall it be used except
Document Stage -              APPROVAL                                                                                                                                            (07) 5443 7777               MAROOCHYDORE QLD 4558                                                                                                                                                                                                    for the Development and the Site Specified.
                                                      Issue Date                      Description                       By                                                        [email protected]
       c:\12dS\data\12DSERVER\233467_2957\DWG Covey\OPW\Uncontrolled\C361 BIORETENTION BASIN SECTIONS.dwg                                                                                                                                                                                                                                                                                                                          Plot 25 March 2025 - 5:28 PM