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 2 year, 1 hour storm, average 50 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      0.945       0              0.945             0       28          28
NORTH      1.116      0               1.116             0       28          28

CONTINUITY CHECK for AR&R 2 year, 1 hour storm, average 50 mm/h, Zone 3
Node        Inflow    Outflow Storage Change Difference
            (cu.m)     (cu.m)        (cu.m)          %
N1         1715.76    1715.76           0            0
N2         2026.87    2026.87           0            0

AR&R 5 year, 1 hour storm, average 63 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      1.324       0              1.324             0       28          28
NORTH      1.564      0               1.564             0       28          28

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         2503.98    2503.98           0            0
N2         2958.02    2958.02           0            0

AR&R 10 year, 1 hour storm, average 70 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      1.541       0              1.541             0       28          28
NORTH      1.821      0               1.821             0       28          28

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         2933.07    2933.07          0             0
N2         3464.91    3464.91          0             0




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