B07056.W-01A Complete - Stormwater [As Published] · 132007.2398

                                                                                                                                         Appendix B


 DRAINS MODEL RESULTS
 Mitigated Scenario

 Filename:       H:\B07\050-099\B07056 - RSL Care Cooroy.WW\DRAINS\071011\[DRAINS Results.xls]Mitigated
 Date:           22/10/2007
 By:             MS

 AR&R 10 year

 SUB-CATCHMENT DETAILS
 Name             Max          Paved        Grassed       Paved      Grassed      Supp.    Due to Storm
                Flow Q         Max Q         Max Q         Tc          Tc          Tc
               (cu.m/s)       (cu.m/s)      (cu.m/s)      (min)       (min)       (min)
 SOUTH           2.269         1.265         1.034         17          17           0      AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3
 NORTH           2.729         1.132         1.654         13          13           0      AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone
 ENTRANCE RD     0.048         0.023         0.025          6           6           0      AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1            2.269    2.269                                                             AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3
 OF2            2.729    2.729                                                             AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone
 OF4            0.048    0.048                                                             AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone
 Sth OF          1.28    1.28                                                              AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3
 Sth Outlet      1.27    1.27                                                              AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3
 Nth Outlet     1.761    1.761                                                             AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.41      1454.3         1.27         0           1.27
 Nth Basin         100.42      1352.2        1.761         0          1.761

 CONTINUITY CHECK for AR&R 10 year, 1 hour storm, average 70 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)         (cu.m)          %
 N1             3797.92     3797.92            0             0
 N2             3810.52     3810.52            0             0
 N4               50.56       50.56            0             0
 N6             3822.16     3822.16            0             0
 N7             3794.51     3794.51            0             0                             * - Compares with Existing Scenario Node N2
 Sth Basin      3797.92     3797.92           2.8          -0.1
 N8             3821.84     3821.84            0             0                             * - Compares with Existing Scenario Node N1
 Nth Basin      3810.52     3810.52          0.75            0

 AR&R 20 year

 SUB-CATCHMENT DETAILS
 Name             Max          Paved        Grassed       Paved      Grassed      Supp.    Due to Storm
                Flow Q         Max Q         Max Q         Tc          Tc          Tc
               (cu.m/s)       (cu.m/s)      (cu.m/s)      (min)       (min)       (min)
 SOUTH            2.66         1.446         1.223         17          17           0      AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3
 NORTH           3.181         1.274         1.943         13          13           0      AR&R 20 year, 30 minutes storm, average 120 mm/h, Zone
 ENTRANCE RD     0.048         0.023         0.025          6           6           0      AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1             2.66    2.66                                                              AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3
 OF2            3.181    3.181                                                             AR&R 20 year, 30 minutes storm, average 120 mm/h, Zone
 OF4            0.048    0.048                                                             AR&R 10 year, 25 minutes storm, average 112 mm/h, Zone
 Sth OF         1.683    1.683                                                             AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3
 Sth Outlet     1.674    1.674                                                             AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3
 Nth Outlet     2.133    2.133                                                             AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.53       1693         1.674         0          1.674
 Nth Basin         100.51      1522.4        2.133         0          2.133

 CONTINUITY CHECK for AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)         (cu.m)          %
 N1             4453.02     4453.02            0             0
 N2             4507.29     4507.29            0             0
 N4               50.56       50.56            0             0
 N6             4482.73     4482.73            0             0
 N7             4488.76     4488.76            0             0                             * - Compares with Existing Scenario Node N2
 Sth Basin      4453.02     4453.02          3.84          -0.1
 N8             4482.29     4482.29            0             0                             * - Compares with Existing Scenario Node N1
 Nth Basin      4507.29     4507.29          0.95            0




H:\B07\050-099\B07056 - RSL Care Cooroy.WW\DRAINS\071011\DRAINS Results