SBSMR 20004 Revision D - Response to RFI

6.4 RESULTS
The outcome from the MUSIC modelling for the developed mitigated and developed
unmitigated scenarios are shown in the following tables.


                                Developed                 Developed              Load Reduction             Required Load
    Pollutant Type
                               Unmitigated                Mitigated                    (%)                  Reduction (%)
    TSS (kg/year)                  749                      59.6                      92.5                       80
     TP (kg/year)                 1.48                      0.225                     84.8                       60
     TN(kg/year)                  7.51                      3.15                       58                        45
   Gross Pollutants
                                     67.5                        0                        100                     90
      (kg/year)

              Table 5 - Pollutant Load Reduction Results –Bio Retention Saturated Hydraulic Conductivity of 200




                                Developed                 Developed              Load Reduction             Required Load
    Pollutant Type
                               Unmitigated                Mitigated                    (%)                  Reduction (%)
    TSS (kg/year)                  749                       88                       88.9                       80
     TP (kg/year)                 1.48                      0.324                     78.1                       60
     TN(kg/year)                  7.51                      3.95                      47.4                       45
   Gross Pollutants
                                     67.5                        0                        100                     90
      (kg/year)

              Table 6 - Pollutant Load Reduction Results –Bio Retention Saturated Hydraulic Conductivity of 50




The load reduction achieved meets the minimum load reductions from the Guidelines. Given
the proposed development will meet the water quality and quantity objectives it is considered
that the development complies with Noosa Council’s stormwater requirements.




NMA-SBSWMR-20004 Noosa Youngcare                                                                                        12