1909-13367 SRA referral response approved docs

     Figure 6 – 2D Flow Lines ............................................................................................................ 18

     Figure 7 – Head/Velocity Locations ............................................................................................ 20

     Figure 8 – Developed Catchment Breakdown............................................................................ 23
     Figure 9 – 1% AEP existing flood depths extract. ...................................................................... 25

     Figure 10 – 1% AEP Developed flood depths extract. ............................................................... 29

     Figure 11 – Proposed Bridge Cross section (taken as the natural channel cross section for the
          span of the bridge taken up to the underside of the bridge structure) .................................. 1

     Figure 12 – Existing Rail Bridge (Item 2 in table 6 of above report) ............................................. 2

     Figure 13 – Existing Miva St Crossing (Item 6 in table 6 of above report) ................................... 2


T AB LE S


     Table 1 – Existing catchment details (refer figure 2 and Appendix BA) ....................................... 9

     Table 2 – 2D Landuses ............................................................................................................... 10

     Table 3 –Critical 1D peak flow rates and critical storms (XPStorm) ........................................... 13

     Table 4 – Time of concentration summary ................................................................................. 14

     Table 5 – Blockage factor risk assessment ................................................................................ 19
     Table 6 – Blockage percentage (design AEP) for existing and proposed 1D elements ............. 19

     Table 7 – Developed catchment details (refer figure 8 and Appendix BA) ................................. 22




                                                          Flood Study                                                                      5
S19-007                                            122 & 144 Myall St, Cooroy