Stormwater Management Report · MCU19/0008

CO NT ENT S

1          Introduction....................................................................................................................... 4
2          Site Description ................................................................................................................ 4
2.1        Location and Land Use ....................................................................................................... 4

2.1        Lawful point of discharge .................................................................................................... 5

2.2        Flooding ............................................................................................................................. 5

3          Stormwater Quantity Management .................................................................................. 5
3.1        Catchment Summary .......................................................................................................... 5

3.2        Stormwater Detention & Infiltration ...................................................................................... 5

3.3        Hydrologic and Hydraulic Modelling .................................................................................... 6

3.4        XP Storm Results ............................................................................................................... 7

4          Stormwater Quality Management ................................................................................... 10
4.1        Operational Phase ............................................................................................................ 10

4.2        Construction Phase .......................................................................................................... 10

4.2.1      Design Objectives ............................................................................................................. 11
4.2.2      Erosion and Sediment Control .......................................................................................... 13
4.3        Maintenance and Monitoring Requirements ...................................................................... 13

5          Conclusion ...................................................................................................................... 14
6          Appendices ..................................................................................................................... 15
6.1        Appendix A – Erosion Hazard Assessment (IECA) ............................................................ 15

6.2        Appendix B – Engineering Drawing ................................................................................... 16

6.3        Appendix C – Site Survey & Architectural Drawings .......................................................... 17




4 April 2019                                         Stormwater Management Report                                                               3
S18-030                                                  22 Arakoon Crescent,