Appendix F

                                                                                                                             2
Hydrograph Summary Report
                       Hydraflow Hydrographs Extension for AutoCAD® Civil 3D® 2010 by Autodesk, Inc. v9.25


Hyd. Hydrograph   Peak     Time    Time to   Hyd.     Inflow      Maximum        Total               Hydrograph
No.      type     flow     interval Peak     volume   hyd(s)      elevation     strge used           Description
       (origin)   (cms)    (min)   (min)     (cum)                   (m)         (cum)



 1    Rational     0.049      1       8       30.9       ------        ------       ------   pre developed catchment 1 & 2

 2    Rational     0.096      1       8       59.7       ------        ------       ------   pre developed catchment 3

 3    Combine      0.145      1       8       87.1       1, 2          ------       ------   TOTAL PRE DEVELOPED

 4    Rational     0.144      1       6       67.2       ------        ------       ------   post development catchment 3

 5    Rational     0.074      1       6       34.7       ------        ------       ------   post development catchment 1 & 2

 6    Reservoir    0.091      1       9       64.5         4         7.89         768        DETENTION BASIN

 7    Combine      0.152      1       7       97.9       5, 6          ------       ------   TOTAL POST DEVELOPED




 J:\2009\09568_Noosacare_Inc_Carramar\Design\hydraulics\DETENTION-2-
                                        Return Period: 2 Year        ABOVE
                                                                      Tuesday,
                                                                            GROUND05-04.gpw
                                                                               Apr 5, 2011