1209 SWQMP Report_3 2013

roof catchment Post development Q10 noosa 10-Year Duration=6 min, Inten=208.9 mm/hr
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                                     Summary for Subcatchment 2S: total roof area

Runoff               =       0.85149 [email protected] hrs, Volume=         0.413 Ml, Depth= 28 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
                  14,653.0    1.00    LIGHT GRASS ON clay
                  14,653.0            100.00% Impervious Area

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

                                           Subcatchment 2S: total roof area
                                               Hydrograph

                  0.85149 m³/s                                                                   Runoff
                  0.9
                                                                         noosa 10-Year
                  0.8                                                   Duration=6 min,
                  0.7                                                Inten=208.9 mm/hr
                  0.6                                           Runoff Area=14,653.0 m²
   Flow (m³/s)




                                                                Runoff Volume=0.413 Ml
                  0.5                                             Runoff Depth=28 mm
                  0.4                                                       Tc=6.0 min
                  0.3                                                           C=1.00
                  0.2
                  0.1
                    0
                        0                     1                     2                   3
                                                   Time (hours)