Stormwater Management Plan -OPW (A) · OPW25/0042

8.2 QUALITY MUSIC MODEL RESULTS


The results of the Quality MUSIC model are shown in Table 8.2 below.


                               Flow          TSS         TP           TN              Gross
                               ML/y          Kg/y        Kg/y         Kg/y            Pollutant
                                                                                      Kg/y
        Source Load            19.32         1035        3.825        40.27           414.6
        Residual Load          14.86         181.2       1.239        19.48           0
        % Reduction            23.06         82.48       67.6         51.62           100
        %Target Reduction -                  85          60           45              90



        Table 8.2 Treatment Train Effectiveness



Inspection of Table 8.2 shows that the target pollutant load reductions will be
achieved for the developed site.




9.0 SYSTEM MAINTENANCE

RIPs/RICs, bioretention basins and the rainwater harvesting tank will be
subject to routine inspection and maintenance by the hotel’s maintenance
team and such maintenance is critical to their ongoing function.

Failure to carry out such maintenance could result in system failures,
environmental harm and surcharge of infiltration pits and culverts.

A recommended maintenance schedule for elements of the water quality
treatment and train and infiltration devices appears at Appendix F.
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A6769/25/SWMP/Rev OpW(A) – Feb 2025
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SH/PL
                          Brah101 Pty Ltd t/as ALTA PROJECTS