1209 SWQMP Report_3 2013

Catchment A +dam detention Q10 Coo noosa 10-Year Duration=20 min, Inten=127.9 mm/hr
Prepared by {enter your company name here}                                                    Printed 24/04/2013
HydroCAD® 10.00 s/n 05328 © 2011 HydroCAD Software Solutions LLC                                          Page 7

                                         Summary for Pond 7P: (new Pond)

Inflow Area =                 5.6815 ha, 0.00% Impervious, Inflow Depth = 37 mm for 10-Year event
Inflow     =               1.29046 [email protected] hrs, Volume=          2.105 Ml
Outflow    =               0.95041 [email protected] hrs, Volume=          2.088 Ml, Atten= 26%, Lag= 9.1 min
Primary =                  0.95041 [email protected] hrs, Volume=          2.088 Ml

Routing by Stor-Ind method, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs
Peak Elev= 125.255 [email protected] hrs Surf.Area= 0.2736 ha Storage= 0.685 Ml

Plug-Flow detention time= 14.7 min calculated for 2.081 Ml (99% of inflow)
Center-of-Mass det. time= 14.8 min ( 39.5 - 24.7 )

Volume     Invert               Avail.Storage     Storage Description
  #1   125.000 m                     1.367 Ml     58.00 mD x 0.50 mH Vertical Cone/Cylinder Z=2.0

Device           Routing           Invert   Outlet Devices
  #1             Primary       125.000 m    5.00 m long x 1.00 m breadth Broad-Crested Rectangular Weir
                                            Head (meters) 0. 061 0. 122 0. 183 0. 244 0. 305 0. 366 0. 427
                                            0.488 0. 549 0. 610 0. 762 0. 914 1. 067 1. 219 1. 372 1. 524 1. 676
                                            Coef. (Metric) 1. 34 1. 42 1. 48 1. 48 1. 47 1. 46 1. 46 1. 48 1. 48
                                            1.50 1. 54 1. 58 1. 61 1. 65 1. 76 1. 79 1. 83

Primary OutFlow Max=0.95021 [email protected] hrs HW=125.255 m (Free Discharge)
   1=Broad-Crested Rectangular Weir (Weir Controls 0.95021 [email protected] m/s)

                                                  Pond 7P: (new Pond)
                                                Hydrograph

                         1.29046 m³/s                                                                Inflow
                                                                                                     Primary
                                                              Inflow Area=5.6815 ha
                                                               Peak Elev=125.255 m
                          0.95041 m³/s                             Storage=0.685 Ml
                 1
   Flow (m³/s)




                 0
                     0                      1                     2                      3
                                                 Time (hours)