MCU10/2083 Development Application part 2 - Attachment 7 - Stormwater Management Plan





5.10 MUSICMODEL

TheMUSICmodelanalysedfortheproposeddevelopmentsiteisshowninFigure2.





                                                                                                   
                                                Figure2–MUSICModelLayout

5.11 MUSICRESULTS

TheMUSICpollutantloadreductionsforthesitearedetailedinTable17.

                                            Table17MUSICresults
                                                                                        MUSIC
                                                         RequiredLoad                            Objective
                            Parameter                                                  Results
                                                           reduction                              Achieved
                                                                                       Achieved
                      TotalSuspendedSolids                80.0%                     93.4%         Yes

                         TotalPhosphorus                   60.0%                     80.5%         Yes

                          TotalNitrogen                    45.0%                     45.1%         Yes

                         GrossPollutants                   90.0%                    100.0%         Yes

Table17demonstratesthatthepollutantloadreductionobjectivesforthesitehavebeenachieved.Thewater
qualitydevicesproposedforthesiteareadequateinachievingsatisfactorypollutantlevelsoutputfromthesite.



    SITEBASEDSTORMWATERMANAGEMENTPLAN–RevisionD    37GibsonRoad,Noosaville                            Page 14



[OCR of page images]
  

JF

 

RAUNT
URBANCONSULTANTS

5.10 MUSIC MODEL

 

The MUSIC model analysed for the proposed development site is shown in Figure 2.

Roof Area 1

G

Rainwater Tank

Rain Gardens Bio-retention 1

Outfall

 

Figure 2 -MUSIC Model Layout

5.11 MUSIC RESULTS

 

The MUSIC pollutant load reductions for the site are detailed in Table 17.

Table 17 - MUSIC results

 

 

 

 

 

MUSIC
Required Load Objective
Parameter . Results .
reduction . Achieved
Achieved

Total Suspended Solids 80.0% 93.4% Yes

Total Phosphorus 60.0% 80.5% Yes

Total Nitrogen 45.0% 45.1% Yes

Gross Pollutants 90.0% 100.0% Yes

 

 

 

 

 

 

Table 17 demonstrates that the pollutant load reduction objectives for the site have been achieved. The water
quality devices proposed for the site are adequate in achieving satisfactory pollutant levels output from the site.

 

SITE BASED STORMWATER MANAGEMENT PLAN — Revision D 37 Gibson Road, Noosaville 14