Stormwater Management Plan

Good Shepherd Lutheran College                                                                                                        Odyssey Consulting Group
Proposed Unit Development                                                                                              Conceptual Stormwater Management Plan
Lot 30 on SP170751                                                                                                                           Project No: K4277
115 EUMUNDI NOOSA ROAD, NOOSAVILLE


FIGURES
Figure 1:      Subject Site - Locality Plan (modified from maps.google.com.au) ................................................................. 2
Figure 2:      Aerial Photograph (modified from google maps.google.com.au) .................................................................. 3
Figure 3:      Mitigated Post Development Catchment Q100 Flow Rates ........................................................................... 9
Figure 4:      Music Modelling Treatment Train ................................................................................................................ 13



TABLES
Table 1:       Site Description .............................................................................................................................................. 1
Table 2:       Pre Development Coefficients of Runoff ........................................................................................................ 4
Table 3:       Pre Development Time of Concentration ...................................................................................................... 4
Table 4:       Catchment A - Pre Development Internal Catchment Peak Flow Rates ......................................................... 4
Table 5:       Post Development Catchment Impervious Properties ................................................................................... 5
Table 6:       Post Development Coefficients of Runoff ...................................................................................................... 5
Table 7:       Catchment A - Post Development Peak Flow Rates ....................................................................................... 6
Table 8:       External Catchment ........................................................................................................................................ 7
Table 9:       External Catchment A Peak Flow Rates .......................................................................................................... 7
Table 10:      Peak Discharge Rate for Site (m3/s) ............................................................................................................... 8
Table 11:      Detention Tank A Parameters ........................................................................................................................ 9
Table 12:      Comparison of Pre Development, Post Development and Mitigated Flow Rates for Catchment B ............... 9
Table 13:      Construction Phase Key Pollutants............................................................................................................... 11
Table 14:      Construction Phase Water Quality Performance Criteria ............................................................................ 11
Table 15:      Treatment Train Effectiveness of Proposed SQID ........................................................................................ 14
Table 16:      Bio-retention Basin Maintenance Schedule ................................................................................................. 15



APPENDICES
Appendix A:    Skyline Surveyors, Contour and Detail Survey (Ref: 21 April 2017)
Appendix B:    Burling Brown Architects, Proposed Landscape Plan (Ref: GSL06/L1-01/P3)
Appendix C:    Odyssey Consulting Group, Pre Development Catchment Plan (Ref: K4277/P005/A)
Appendix D:    Odyssey Consulting Group, Post Development Catchment Plan (Ref: K4277/P006/A)
Appendix E:    Odyssey Consulting Group, External Catchment Plan (Ref: K4277/P011/A)
Appendix F:    Odyssey Consulting Group, Stormwater Management Plan (Ref: K4277/P007/A)
               Odyssey Consulting Group, Stormwater Detention and Bioretention Details (Ref: K4277/P010/A)
Appendix G:    Odyssey Consulting Group, Sediment and Erosion Control Plan and Details (Ref: K4277/P008/A & Ref:
                 K4277/P009/A)




K4277-0002                                                               14 March 2018                                                                          Page iii of iii