Response to Information Request - REC13/0015

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     PRE DEVELOPMENT Q10 Cooroy stg 1                      noosa 10-Year       Duration=6 min, Inten=20B.9 mmlhr
     Prepared by {enter     your company name       here}                                        Printed 19/04/2013
     HydroCAD<ID 10.00 sin 05328 @2011 HydroCAD Software Solutions LLC                                      Page 7

                          Summary for Subcatchment 55: Existing roof+drive area

     Runoff      =       0.01443 [email protected] hrs, Volume=                  0.007 MI, Depth= 25 mm


     Runoff by Rational method, Rise/Fall=1.0/1.7 xTc, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs
     noosa 10-Year   Duration=6 min, Inten=208.9 mm/hr


             Area (m2)       C    Description
                 276.0     0.90   existing roof+DVE
                 276.0            100.00% Pervious Area


            Tc   Length      Slope Velocity       Capacity    Description
      (min) (meters)        (m/m) (m/sec)           (m3/s)
         5.0                                                  Direct Entry, existing roof
         5.0         0.0    Total, Increased to minimum Tc      =   6.0 min


                                  Subcatchment 55: Existing roof+drive area

                                           Hydrograph
                                                                                                    II Runoff~


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                                                                                        C=O.90




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                                                    Time     (hours)