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 2 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           1.512         0.948         0.596         17          17           0      AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 NORTH           1.805         0.828         1.036         13          13           0      AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 ENTRANCE RD     0.034         0.017         0.017          6           6           0      AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1            1.512    1.512                                                             AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 OF2            1.805    1.805                                                             AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 OF4            0.034    0.034                                                             AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 Sth OF         0.948    0.948                                                             AR&R 2 year, 1 hour storm, average 50 mm/h, Zone 3
 Sth Outlet     0.941    0.941                                                             AR&R 2 year, 1 hour storm, average 50 mm/h, Zone 3
 Nth Outlet     0.937    0.937                                                             AR&R 2 year, 1 hour storm, average 50 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.08       862.5        0.941         0          0.941
 Nth Basin         100.18       901.7        0.937         0          0.937

 CONTINUITY CHECK for AR&R 2 year, 25 minutes storm, average 82 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)         (cu.m)          %
 N1             1678.98     1678.98            0             0
 N2             1636.87     1636.87            0             0
 N4               22.34       22.34            0             0
 N6             1681.28     1681.28            0             0
 N7             1608.73     1608.73            0             0                             * - Compares with Existing Scenario Node N2
 Sth Basin      1678.98     1678.98          1.98          -0.1
 N8             1681.05     1681.05            0             0                             * - Compares with Existing Scenario Node N1
 Nth Basin      1636.87     1636.87          0.69            0

 AR&R 5 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           1.993         1.139         0.898         17          17           0      AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3
 NORTH           2.359          1.01         1.411         13          13           0      AR&R 5 year, 25 minutes storm, average 100 mm/h, Zone 3
 ENTRANCE RD     0.043         0.021         0.022          6           6           0      AR&R 5 year, 25 minutes storm, average 100 mm/h, Zone 3

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1            1.993    1.993                                                             AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3
 OF2            2.359    2.359                                                             AR&R 5 year, 25 minutes storm, average 100 mm/h, Zone 3
 OF4            0.043    0.043                                                             AR&R 5 year, 25 minutes storm, average 100 mm/h, Zone 3
 Sth OF          1.16    1.16                                                              AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3
 Sth Outlet     1.152    1.152                                                             AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3
 Nth Outlet     1.467    1.467                                                             AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.29      1239.8        1.152         0          1.152
 Nth Basin         100.35      1224.6        1.467         0          1.467

 CONTINUITY CHECK for AR&R 5 year, 1 hour storm, average 63 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)          (cu.m)          %
 N1             3341.66     3341.66             0            0
 N2             3325.72     3325.72             0            0
 N4               44.37       44.37             0            0
 N6              3363.9     3363.9              0            0
 N7              3308.2     3308.2              0            0                             * - Compares with Existing Scenario Node N2
 Sth Basin      3341.66     3341.66           2.01          -0.1
 N8             3363.67     3363.67             0            0                             * - Compares with Existing Scenario Node N1
 Nth Basin      3325.72     3325.72           0.63           0




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