Appendix I Intersection Flood Hazard Assessment - 1 of 2

                                                                                              Flood Hazard Assessment
                                                                     Intersection of Lake Macdonald Dr and Dianella Crt


Table E 1 - Hydraulic performance of intersection culverts

                                      Discharge              Depth      Velocity     Water
             AEP                                                                    surface
                              Culverts        Weir           Weir        Weir      elevation*
    (%)            (1 in x)    (m3/s)         (m3/s)          (m)        (m/s)      (m AHD)

    0.2             500        11.1           18.8           0.16        1.79        103.8

  1 (2100)     100 (2100)      10.7           15.8           0.14        1.69       103.77

     1              100        10.3               8.2        0.07        1.36       103.67

     2               50        10.1               5.7        0.05        1.21        103.6

     10              10         8.7               0          0.00        0.00        103.3

     50               2         3.7               0          0.00        0.00        102.5
* Upstream face




                                                        E2