Response to Information Request - REC13/0015

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
HydroCAD<ID 10.00 sIn 05328 @2011 HydroCAD Software Solutions LLC                                     Page 7

                      Summary for Subcatchment 55: Existing roof+drive area

Runoff      =       0.02080 [email protected] hrs, Volume=                  0.010 MI, Depth= 37 mm


Runoff by Rational method, Rise/Fall=1.0/1.7 xTc, Time Span= 0.00-3.00 hrs, dt= 0.01 hrs
noosa 100-Year Duration=6 min, Inten=301.0 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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                                               Time     (hours)