Response to Information Request - REC13/0015

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PRE DEVELOPMENT Q100 Cooroy stg               noosa 100-Year        Duration=6 min, Inten=301.0 mmlhr
Prepared by {enter your company name here}                                              Printed 19/04/2013
HydroCAOO 10.00 sIn 05328 @ 2011 HydroCAD Software Solutions LLC                                        Page 5

                          Time span=0.00-3.00 hrs, dt=0.01 hrs, 301 points
                          Runoff by Rational method, Rise/Fall=1.0/1.7 xTc
                Reach routing by Stor-Ind method   Pond routing by Stor-Ind method
                                                   -




5ubcatchment 25: lots 1 to 4 less          Runoff Area=2,195.0 m2    0.00% Impervious   Runoff Depth=21 mm
                                                       Tc=10.0 min    C=0.88    Runoff=0.09704 m3/s 0.047 MI


5ubcatchment 55: Existing roof+drive area Runoff Area=276.0 m2 0.00% Impervious         Runoff Depth=37 mm
                                                        Tc=6.0 min    C=0.90    Runoff=0.02080 m3/s 0.010 MI


5ubcatchment 65: existing road         Runoff Area=1,247.5 m2     100.00% Impervious    Runoff Depth=41 mm
                                                        Tc=6.0 min    C=1.00    Runoff=O.1 0445 m3/s 0.051 MI


Reach 4R: (new Reach)                                                           Inflow=0.22229 m3/s 0.108 MI
                                                                               Outflow=0.22229 m3/s 0.108 MI


           Total Runoff Area = 0.3719 ha   Runoff Volume = 0.108 MI       Average Runoff Depth 29 mm=


                                      66.45% Pervious     =   0.2471 ha   33.55% Impervious 0.1248 ha
                                                                                                =