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

                                                                                            Appendix B
 DRAINS MODEL RESULTS
Existing Scenario

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

AR&R 20 year, 1 hour storm, average 80 mm/h, Zone 3

SUB-CATCHMENT DETAILS
Name        Max     Paved            Grassed          Paved   Grassed        Supp.
          Flow Q    Max Q             Max Q            Tc       Tc            Tc
         (cu.m/s)  (cu.m/s)          (cu.m/s)         (min)    (min)         (min)
SOUTH      1.829       0              1.829             0       28            28
NORTH      2.161      0               2.161             0       28            28

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         3552.03    3552.03          0             0
N2         4196.11    4196.11          0             0

AR&R 50 year, 45 minutes storm, average 118 mm/h, Zone 3

SUB-CATCHMENT DETAILS
Name        Max     Paved            Grassed          Paved   Grassed        Supp.
          Flow Q    Max Q             Max Q            Tc       Tc            Tc
         (cu.m/s)  (cu.m/s)          (cu.m/s)         (min)    (min)         (min)
SOUTH      2.222       0              2.222             0       28            28
NORTH      2.625      0               2.625             0       28            28

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         4190.99    4190.99          0             0
N2         4950.92    4950.92          0             0

AR&R 100 year, 1 hour storm, average 105 mm/h, Zone 3

SUB-CATCHMENT DETAILS
Name        Max     Paved            Grassed          Paved   Grassed        Supp.
          Flow Q    Max Q             Max Q            Tc       Tc            Tc
         (cu.m/s)  (cu.m/s)          (cu.m/s)         (min)    (min)         (min)
SOUTH      2.461       0              2.461             0       28            28
NORTH      2.908      0               2.908             0       28            28

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         5098.66    5098.66          0             0
N2         6023.17    6023.17          0             0




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