Engineering Hydrology Plans (IWMP)

TABLES

Table 1: Pollutants typically generated during the operational phase                4
Table 2: Site stormwater quality objectives (operational phase)                     4
Table 3: MUSIC Base and Storm Flow Concentration Parameters - Commercial            6
Table 4: MUSIC Runoff Generation Parameters - Commercial                            6
Table 5: Impervious Percentage                                                      7
Table 6: Catchment Areas                                                            7
Table 7: MUSIC Rainwater Tank Demands                                              10
Table 8: MUSIC Rainwater Tank Parameters                                           10
Table 9: Bioretention Basin Design Parameters                                      11
Table 10: MUSIC Results – Load-Based Pollutant Outputs at Outlet to Site           13
Table 11: MUSIC Results – Load-Based Pollutant Outputs for Road Area               13
Table 12: WBNM Sub-Catchment Fraction Impervious Values – Existing Scenario        14
Table 13: Existing Scenario WBNM Outlet Peak Flows                                 15
Table 14: Rational Method Calibration Summary (Total Catchment)                    15
Table 15: Rational Method Peak Flows Versus WBNM Peak Flows                        16
Table 16: WBNM Sub-Catchment Fraction Impervious Values – Developed Scenario       18
Table 17: Developed Scenario WBNM Outlet Peak Flows                                18
Table 18: Storage and Outlet Details of Detention System                           20
Table 19: Comparison of Existing, Developed and Mitigated WBNM Outlet Peak Flows   20


APPENDICIES

Appendix 1: Rational Method and WBNM Results                                       23