OPW16/0021- Operational Works Application 2 of 4

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FIGURES!
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Figure!1:!Locality!Plan!                                                                      3!
Figure!2:!Development!Layout!                                                                 4!
Figure!3:!Conceptual!Treatment!Train!                                                         6!
Figure!4:!Model!Layout!                                                                       9!
Figure!5:!WSUD!Strategy!                                                                     12!
Figure!6:!Detention!Strategy!                                                                19!
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TABLES!
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Table!1:!Site!stormwater!quality!objectives!(operational!phase)!                               5!
Table!2:!Impervious!Percentage!                                                                7!
Table!3:!Catchment!Areas!                                                                      8!
Table!4:!MUSIC!Rainwater!Tank!Parameters!                                                   10!
Table!5:!Bioretention!Basin!Design!Parameters!                                              11!
Table!6:!MUSIC!Results!–!LoadbBased!Pollutant!Outputs!–!                                    13!
Table!7:!!WBNM!SubbCatchment!Fraction!Impervious!Values!–!Existing!Scenario!                15!
Table!8:!!Existing!Scenario!WBNM!Outlet!Peak!Flows!                                         15!
Table!9:!Rational!Method!Calibration!Summary!(Total!Catchment)!                             16!
Table!10:!Rational!Method!Peak!Flows!Versus!WBNM!Peak!Flows!                                16!
Table!11:!!WBNM!SubbCatchment!Fraction!Impervious!Values!–!Developed!Scenario!              17!
Table!12:!!Developed!Scenario!WBNM!Outlet!Peak!Flows!–!Outlet!2!                            17!
Table!13:!!Storage!and!Outlet!Details!of!Detention!System!                                  18!
Table! 14:! ! Comparison! of! Existing,! Developed! and! Mitigated! WBNM! Outlet! Peak! Flows! –!
     Outlet!2!                                                                              18!
Table!15:!!Level!Spreader!Calculations!                                                     20!
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[OCR of page images]
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FIGURES
Figure 1: Locality Plan 3
Figure 2: Development Layout 4
Figure 3: Conceptual Treatment Train 6
Figure 4: Model Layout 9
Figure 5: WSUD Strategy 12
Figure 6: Detention Strategy 19
TABLES
Table 1: Site stormwater quality objectives (operational phase) 5
Table 2: Impervious Percentage 7
Table 3: Catchment Areas 8
Table 4: MUSIC Rainwater Tank Parameters 10
Table 5: Bioretention Basin Design Parameters 11
Table 6: MUSIC Results — Load-Based Pollutant Outputs — 13
Table 7: WBNM Sub-Catchment Fraction Impervious Values — Existing Scenario 15
Table 8: Existing Scenario WBNM Outlet Peak Flows 15
Table 9: Rational Method Calibration Summary (Total Catchment) 16
Table 10: Rational Method Peak Flows Versus WBNM Peak Flows 16
Table 11: WBNM Sub-Catchment Fraction Impervious Values — Developed Scenario 17
Table 12: Developed Scenario WBNM Outlet Peak Flows — Outlet 2 17
Table 13: Storage and Outlet Details of Detention System 18
Table 14: Comparison of Existing, Developed and Mitigated WBNM Outlet Peak Flows —

Outlet 2 18

Table 15: Level Spreader Calculations 20