REPS - Updated SWMP

Figure 2.2: Developed Scenario Catchment Plan
A comparison of the Existing and Developed scenario peak flow shows the Site would result in an increase in peak flows if the detention basin
was not constructed, which is in line with outcomes of the approved SMP (AquaIntel, 2016).

TABLE 4.4: PEAK DISCHARGE COMPARISON – EXISTING VS DEVELOPED SCEANRIO


                                                                63% AEP 50% AEP 20% AEP 10% AEP 5% AEP                   2% AEP      1% AEP

 Existing (m3/s)                                                0.60        0.72       1.11        1.41       1.68       1.99        2.23

 Developed (m3/s)                                               0.83        0.98       1.47        1.79       2.10       2.45        2.74

 Difference (m3/s)                                              0.22        0.26       0.36        0.38       0.42       0.46        0.51




73 EUMUNDI - NOOSA ROAD, NOOSAVILLE I BBNE00529_0002_0001-REP-001-2                                                                         14