RFI - stormwater report

Figure 3-2: Post-Development Change in Peak Flow Diversion                        13
Figure 3-3: Existing WBNM Regional Catchment Plan                                 14
Figure 3-4: Lawful Point of Discharge (Source, Noosa Intramaps 2020)              16

TABLES

Table 2-1: Site stormwater quality objectives (operational phase)                   6
Table 2-2: MUSIC Base and Storm Flow Concentration Parameters – Urban               7
Table 2-3: MUSIC Runoff Generation Parameters – Urban                               7
Table 2-4: Catchment Areas                                                          7
Table 2-5: Bioretention Design Parameters                                           9
Table 2-6: MUSIC Results – Load-Based Pollutant Outputs                           10
Table 3-1: WBNM Sub-Catchment Fraction Impervious Values – Site Existing Scenario 11
Table 3-2: Site Rational Method Validation Summary (A01)                          12
Table 3-3: Site Existing Rational Method Peak Flows Versus WBNM Peak Flows (A01)  12
Table 3-4: WBNM Sub-Catchment Fraction Impervious Values – Site Developed Scenario12
Table 3-5: Site Developed Scenario WBNM Outlet Peak Flows (A01)                   13
Table 3-6: WBNM Sub-Catchment Fraction Impervious Values – Regional Existing Scenario
                                                                                  14
Table 3-7: Regional Rational Method Validation Summary (C1 Outlet)                15
Table 3-8: Regional Existing Rational Method Peak Flows Versus WBNM Peak Flows (C1
     Outlet)                                                                      15
Table 3-9: WBNM Sub-Catchment Fraction Impervious Values – Regional Developed
     Scenario                                                                     15
Table 3-10: Regional Developed Scenario WBNM Outlet Peak Flows (A3)               16