Attachment 5 - Stormwater Managment Plan · 132007.12.8

    iWBNM Lite

             iWBNM Lite

1 Project Details
                         Project ID
               Project Description     Carpark - DEVELOPED CASE
                   Project Location    Lot 4 Goodchap Street, Noosaville


2 General Parameters                                                                               3 Rain Gauge Data

               Lag Parameter (C)                          2                                                Choose Rain Gauge from Database                                                      Add to Database:   Name      Noosa          Zone                  3     Add
                 Stream Lag Factor                        1                                                                                                                                          2yr           50yr
                                                                                                            Noosa
             Calculation Timestep                         1 mins                                                                                                                         1 hr        52.3          94.28         4.4       F2            Ave Rain     1674
                        Initial Loss                     20 mm                                          Noosa                                                                           12 hr       10.25          23.64        17.61      F50            %Rough        0
             Continuing Loss Rate                       2.5 mm/hr                                                                                                                       72 hr        3.45           8.6          0.1       G         MAF (0.0-1.0)    0.87


4 Topology                                                                                         5 Structure Data
          Subarea          Name           Connects to          Area       Impervious                                           Subarea          IWL          Storage_Fac                            Type                                              Elevation       Storage
                          SINK                                  ha             %                                                                                                                                                                          m             m3
                  1 SUB1               SUB2                   0.2616          56                                    Weir          1               2                  Pipe/Box                         1              2             3
                  2 SUB2               SINK                   0.2022          90                          Diverts to Sub                                         Diverts to Sub
                  3                                                                                       Crest Elev [m]                                             Invert [m]
                  4                                                                                          Length [m]                                            No. Barrels
                  5                                                                                          Weir Coeff                                           Ent. Type
                  6                                                                                        Disch-Factor                                     Dia/(Width)[mm]
                  7                                                                                          Directed to                                          (Height)[mm]
                  8                                                                                        Delay [mins]                                           Disch-Factor
                  9                                                                                                                                                 Directed to
                 10                                                                                                                                               Delay [mins]
             Total                                              0.5          70.8


6 Storm Data                                                                                       7 Save & Run
            Storm           ARI          Duration [mins]
                  1          1                   25                                                                 Save & Run                    Shortcut: Shift + Ctrl + L
                  2          2                   25
                  3          5                   25                                                                        Most Recent File: C:\Users\Brendon\Documents\WORK\02 Projects\01 Aquaintel\40 Chapman Street, Noosaville\Design\WBNM\D01\D01.wbn
                  4         10                   25                                                             Location of WBNMRun.exe: C:\Users\Brendon\Documents\WORK\02 Projects\01 Aquaintel\40 Chapman Street, Noosaville\Design\WBNM\WBNMrun.exe
                  5         20                   25
                  6         50                   25
                  7        100                   25
                  8        PMF                   15


8 Results
                      RESULTS FOR:     C:\Users\Brendon\Documents\WORK\02 Projects\01 Aquaintel\40 Chapman Street, Noosaville\Design\WBNM\D01\D01_Meta.out
            Storm            1                    2             3              4              5                 6                 7               8                                                                          Hydrographs
                        1 Yr 25 Min       2 Yr 25 Min       5 Yr 25 Min   10 Yr 25 Min   20 Yr 25 Min    50 Yr 25 Min       100 Yr 25 Min   PMF Yr 15 Min                                 1.4
                                            3
     Peak Flowrates at Subarea Outlet [Q m /s]                                                                                                                                                                                                                           SUB2(1 Yr
                                                                                                                                                                                                                                                                         15 Min)
             SUB1         0.057                 0.086         0.118         0.135          0.159            0.170               0.190          0.713
                                                                                                                                                                                                                                                                         SUB2(2 Yr
             SUB2         0.107                 0.146         0.195         0.223          0.261            0.280               0.315          1.245                                      1.2                                                                            15 Min)
                                                                                                                                                                                                                                                                         SUB2(5 Yr
                                                                                                                                                                                                                                                                         15 Min)
                                                                                                                                                                                                                                                                         SUB2(10
                                                                                                                                                                                                                                                                         Yr 15 Min)
                                                                                                                                                                                            1
                                                                                                                                                                                                                                                                         SUB2(20
                                                                                                                                                                                                                                                                         Yr 15 Min)
                                                                                                                                                                                                                                                                         SUB2(50
                                                                                                                                                                      Flowrate [m3/s]




                                                                                                                                                                                                                                                                         Yr 15 Min)
                                                                                                                                                                                          0.8                                                                            SUB2(100
                                                                                                                                                                                                                                                                         Yr 15 Min)
                                                                                                                                                                                                                                                                         SUB2(PMF
                                                                                                                                                                                                                                                                         Yr 15 Min)

                                                                                                                                                                                          0.6                                                                            ()

                                                                                                                                                                                                                                                                         ()

       Inflow Peak                                                                                                                                       m3/s
                                                                                                                                                                                                                                                                         ()
     Outflow Peak                                                                                                                                        m /s3
                                                                                                                                                                                          0.4
                                                                                                                                                                                                                                                                         ()
    Inflow Volume                                                                                                                                        m3
                                                                                                                                                             3
    Max Vol Stored                                                                                                                                       m                                                                                                               ()

   Max Water Elev                                                                                                                                        m                                0.2
                                                                                                                                                                                                                                                                         ()

                                                                                                                                                                                                                                                                         ()

                                                                                                                                                                                            0
                                                                                                                                                                                                0             50              100              150            200
                                                                                                                                                                                                                           Time [mins]




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