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 50 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           3.079         1.636         1.443         17          17           0      AR&R 50 year, 1 hour storm, average 95 mm/h, Zone 3
 NORTH           3.618         1.372         2.246         13          13           0      AR&R 50 year, 45 minutes storm, average 118 mm/h, Zone
 ENTRANCE RD     0.048         0.023         0.025          6           6           0      AR&R 50 year, 25 minutes storm, average 148 mm/h, Zone

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1            3.079    3.079                                                             AR&R 50 year, 1 hour storm, average 95 mm/h, Zone 3
 OF2            3.618    3.618                                                             AR&R 50 year, 45 minutes storm, average 118 mm/h, Zone
 OF4            0.048    0.048                                                             AR&R 50 year, 25 minutes storm, average 148 mm/h, Zone
 Sth OF         2.134    2.134                                                             AR&R 50 year, 1 hour storm, average 95 mm/h, Zone 3
 Sth Outlet     2.123    2.123                                                             AR&R 50 year, 1 hour storm, average 95 mm/h, Zone 3
 Nth Outlet     2.433    2.433                                                             AR&R 50 year, 1 hour storm, average 95 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.64      1915.9        2.123         0          2.123
 Nth Basin         100.62      1754.9        2.433         0          2.433

 CONTINUITY CHECK for AR&R 50 year, 45 minutes storm, average 118 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)         (cu.m)          %
 N1             5085.34     5085.34            0            0
 N2             5207.46     5207.46            0            0
 N4               44.26       44.26            0            0
 N6             5103.92     5103.92            0            0
 N7             5183.63     5183.63            0            0                              * - Compares with Existing Scenario Node N2
 Sth Basin      5085.34     5085.34          11.72         -0.2
 N8             5102.58     5102.58            0            0                              * - Compares with Existing Scenario Node N1
 Nth Basin      5207.46     5207.46           3.09         -0.1

 AR&R 100 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           3.424         1.809         1.615         17          17           0      AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3
 NORTH           3.935         1.522         2.439         13          13           0      AR&R 100 year, 25 minutes storm, average 162 mm/h, Zon
 ENTRANCE RD     0.048         0.023         0.025          6           6           0      AR&R 100 year, 25 minutes storm, average 162 mm/h, Zon

 OVERFLOW ROUTE DETAILS
 Name        Max Q U/S Max Q D/S                                                           Due to Storm
 OF1            3.424    3.424                                                             AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3
 OF2            3.935    3.935                                                             AR&R 100 year, 25 minutes storm, average 162 mm/h, Zon
 OF4            0.048    0.048                                                             AR&R 100 year, 25 minutes storm, average 162 mm/h, Zon
 Sth OF         2.456    2.456                                                             AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3
 Sth Outlet     2.445    2.445                                                             AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3
 Nth Outlet     2.688    2.688                                                             AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3

 DETENTION BASIN DETAILS
 Name           Max WL         MaxVol        Max Q       Max Q        Max Q
                                             Total      Low Level   High Level
 Sth Basin         102.72      2081.3        2.445         0          2.445
 Nth Basin         100.71      1962.3        2.688         0          2.688

 CONTINUITY CHECK for AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3
 Node            Inflow     Outflow    Storage Change Difference
                 (cu.m)      (cu.m)         (cu.m)          %
 N1             6090.65     6090.65            0            0
 N2             6248.47     6248.47            0            0
 N4               50.56       50.56            0            0
 N6             6121.86     6121.86            0            0
 N7             6226.04     6226.04            0            0                              * - Compares with Existing Scenario Node N2
 Sth Basin      6090.65     6090.65          6.76          -0.1
 N8             6121.09     6121.09            0            0                              * - Compares with Existing Scenario Node N1
 Nth Basin      6248.47     6248.47          1.75           0




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