MCU14/0106 & OPW15/0001 Appendix E - Stormwater Management Plan

Noosa Civic
Stormwater Management Plan



    - Utilizing the fauna passage 1/2400x1200 RCBC as a discharge point for events above a 5 year ARI.
      Culvert at 3.82mAHD with controlling weir at 4.2mAHD in front of the fauna crossing.
With reference to Section 3, it is intended to place a bioretention system within the car parks as well. In
accordance with common practice, for the analysis it was assumed that the extended detention zone of the
bioretention system was full at the commencement of each rainfall event, although this is unlikely to occur in
this particular situation in practice.
Table 2-5         C1 Carpark Area Stage-Storage Relationship

 Stage (mAHD)                   Storage (m3)
           8.03                      0
           8.05                     6.18
           8.10                    26.01
           8.15                    90.67
           8.20                   215.32
           8.25                   387.38
           8.30                   596.47


Table 2-6         C2 Carpark Area Stage-Storage Relationship

     Stage (mAHD)                Storage (m3)
            7.98                         0
            8.05                     0.39
            8.10                     2.24
            8.15                     6.95
            8.20                    16.17
            8.25                    37.57
            8.30                    76.14
            8.35                    133.89


Table 2-7         C3 Carpark Area Stage-Storage Relationship

     Stage (mAHD)                Storage (m3)
            8.39                         0
            8.44                     2.56


Table 2-8         C4 Carpark Area Stage-Storage Relationship

     Stage (mAHD)                Storage (m3)
            7.96                         0
            8.05                     1.97
            8.10                     7.56
            8.15                    17.95
            8.20                    35.98
            8.25                    72.42




QIC Noosa Civic Pty Ltd                             Version Final                                  11 May 2015
J13041R2_Final SWMP.docx                        Commercial in Confidence                                Page 5