18556-C121_[F]

5.8




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Depth of flow = 183mm : Water Level = RL.4.778 : Freeboard = 422mm                                                                      Worse case scenario - Internal Inlets 100% blocked
                                                                                                                                                                                                                                                                                                                           6.4
                                                                                                                                                                                                                                                                                                                          6.6
                                                                                                                                                                                                                                                                                                                          6.8
                                                                                                                                                                                                                                                                                                                         7.0




        Worse case scenario - Internal Inlets 100% blocked
                                                              7.4




                                                                                                                                                                                                                                                                                                                         7.2
                                                                                                                                                                                                                                                                                                                 6.0




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               2.2                                                              1.6
                                                                                                                                                                                                                                                                                                                        7.4




                                                                                                                                                                                                                                                                                                                                                                                                                                                          FI1/8                                                                                                                                                                                 Velocity = 1.59m/s d.V = 0.29                                                                                                           Overland flow = 40 l/s
              9.8




        Overland flow = 723 l/s (232 + 491)
                                                                                                                                                                                                                                                                                                                       6.2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Depth of flow = 65mm : Water Level = RL.4.005
                                              8.2




                                                                                                                                                                                                                                                                                                                                                                                                                                                         0.029ha
                                                          7.6




        Depth of flow = 197mm : Water Level = RL.3.832 : Freeboard = 168mm                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1.8                                             Worse case scenario - Internal Inlets 100% blocked
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       2.4
                                                  8.0




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Overland flow = 540 l/s
                                                                                                                                                                                                                                                                                                                                                                     JOINS ABOVE
                                                        7.8




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Depth of flow = 183mm : Water Level = RL.4.778
                    10.0




                                                                                                               6.6




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2.0
         MAJOR OVERLAND FLOW PATH CALCULATIONS
                                           B                                                                                                                                                                                                                                                                                                                                               3.8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Capacity at 150mm deep = 317 l/s ~ 223 l/s crosses top of kerb to Point D
                                                                                                                                                                                                                                                                                                                                                                                                  G2/12
                                                                                                                                                                                         6.0




                                                                      4.5                               3.3
                                                                                                                                                                                                                                                                                                                                                                                                 0.020ha                                                                                                                                                                                                                                                                                                                                                                                                 CATCHMENT PLAN LEGEND
                                                                                                                                                                6.2




                           FFL.4.00                                                                                          FFL.4.00                                                                                                                                                                                                                                                                                                                                                                                                            4.0
                                                                    6.25%                             6.25%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      MAJOR OVERLAND FLOW PATH CALCULATIONS
                                                                                      6.8




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2.6                           2.4                                                                    D

        Road longitudinal grade = 0.5%                                                                RL.3.615                                                                                                                                                                                                                                                                                                                                                                                   G1/12                                                                                                                                                                                         11.0                                                                                                                                                      PROPERTY BOUNDARY
                                                                        7.0
                        8.4
                       8.6




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           FFL.4.40
                       8.8




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                0.015ha
                       9.0
                       9.2




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               3.65%
                      9.4
                      9.6
                      9.8




        Internal Carpark Catchment                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       EXISTING STORMWATER PIPE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 2.6
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          SW
                                                                      7.2




        Q100 Flow = (0.445 x 0.99 x 321 ) / 360 = 393 l/s
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Kerb longitudinal grade = 0.84%                        RL.3.974                                                                                          13                                              FINISHED CONTOUR
        Q10 Pipe Flow = (0.445 x 0.88 x 223 ) / 360 = 243 l/s
        Overland flow = 393 l/s - 243 l/s = 150 l/s                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             Internal Carpark Catchment
        WEIR depth of flow = 148mm : Water Level = RL.3.763 : Freeboard = 237mm                                                                                                                                                                                                                                                                                                                                                                                                           RW to FI1/8                                                                                                                                           Q100 Flow = (0.177 x 0.99 x 321 ) / 360 = 156 l/s                                                                                                                                                        PROPOSED STORMWATER

        External Catchment from Gateway Drive                                                                                                                                                                                                                                                                                                                                                                                                                                              0.097ha                                                                                                                                              Bypass from Point C = 223 l/s                                                                                                                                                                            PROPOSED CATCHMENT BOUNDARY
        Q100 - Q10 Overland flow = 491 l/s : Refer Drg No C122                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2.8
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Overland flow = 156 + 223 - 134 (Pipe flow) = 245 l/s                                                                                                          A                                         MAJOR FLOW CALCULATION LOCATION
        Overland flow = 393 + 491 - 243 = 641 l/s                                                                                                                                                                                                                                                                                                                                                                   4.2                                 4.0                                      3.8                                                                                                                                            Depth of flow = 126mm : Water Level = RL.4.100 : Freeboard = 300mm
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    3.0
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           3.6




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 3.4



                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 3.2




        WEIR depth of flow = 261mm : Water Level = RL.3.876 : Freeboard = 124mm                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Velocity = 1.10m/s d.V = 0.14
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     0               5                 10   15m
        Worse case scenario - Internal Inlets 100% blocked                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      Worse case scenario - Internal Inlets 100% blocked
        Overland flow = 884 l/s (393 + 491)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     Overland flow = 379 l/s
        WEIR depth of flow = 296mm : Water Level = RL.3.911 : Freeboard = 89mm                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Depth of flow = 149mm : Water Level = RL.4.123                                                                                                                                                                                    Scale 1:250 @A1
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Scale 1:500 @A3

     COPYRIGHT ©                                                                                                                                                                             Associated Consultants                                                          Client                                                                                                                                                                                                                                            Drawn                                      Verified                                                 Project                                                                                                                               Drawing Title                                                                                               Scale                  Sheet Size
This drawing is subject to                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     M.K.P.                                     D.R.
copyright in accordance with the
                                                        F           25.01.24 LINE 18 SEPARATED INTO LINES 18 & 19                                                           SDP
                                                                                                                                                                                             PIVOTAL PERSPECTIVE                                                            64 GATEWAY DRIVE                                                                                                                                                                                                                                   Designed                                   Verified
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  64 GATEWAY DRIVE, NOOSAVILLE                                                                                                           STORMWATER DRAINAGE                                                                                        AS SHOWN A1
agreement between Tod
Consulting pty ltd (tc) and tc's                        E           02.06.21 OVERLAND FLOW CALCULATIONS UPDATED                                                              JF
                                                                                                                                                                                             PLANNING CONSULTANT                                                            PTY LTD                                                                                                                                                                                                                                            M.K.P.                                     D.R.                                                                                                                                                                                           CATCHMENT PLAN                                                                                             Drawing Number
client. This drawing shall only be
                                                        D           02.03.20 CATCHMENTS UPDATED                                                                              JF              4/59 MARY STREET
used for this specific project.
                                                        C           03.12.19 STORMWATER AMENDED                                                                        M.K.P.                NOOSAVILLE, QLD 4566
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Approved
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               D REYNOLDS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          RPEQ No
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          9072
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 RP DESCRIPTION:                LOT 13 ON SP170295                                                                                                                                                                                                        18556 - C121
                                                                                                                                                                                                                                                                                                                                                                                                                          Noosa: 07 5449 9600                                                                                                                                                                                    LOCAL AUTHORITY: NOOSA COUNCIL
This drawing shall not be used                          B           04.11.19 CALCULATIONS UPDATED                                                                      M.K.P.                                                                                                                                                                                                                             Sunshine Coast: 07 5329 3190 Mackay: 07 4840 2337
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Signed                                     Date                                                   MCU APPROVAL:                                                                                                                                             0       10          20          30               40   50      60                          Sheet                   Revision
for construction until marked as                                                                                                                                                                                                                                                                                                                                                                                   PO Box 61, Noosaville, QLD 4566                                                                                                                                                                                                                                                                      HORIZ DATUM: LOCAL
                                                        A           10.09.19 ISSUED FOR APPROVAL                                                                       M.K.P.
'issued for construction' in the
revision description.                               Rev Date Revision Description                                                                                 Drawn
                                                                                                                                                                                                                                                                                                                                                                                                        [email protected]      www.todconsulting.com
                                                                                                                                                                                                                                                                                                                                                                                                                          ABN 39 128 805 336                                                                                                                              25.01.24
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 ROL APPROVAL:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  OPW APPROVAL:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        VERT DATUM: AHD
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        RL DATUM:    PSM 13296                                                   MEASUREMENT BAR - INCREMENTS IN mm
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           21 of 24             F