Stormwater Management Plan

GOOD SHEPHERD LUTHERAN COLLEGE                                                                                                      ODYSSEY CONSULTING GROUP
Lot 30 on SP170751                                                                                                       Conceptual Stormwater Management Plan
115 Eumundi Noosa Road, Noosaville                                                                                                             Project No: K4277


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 ............................................................................................................... 12



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 C Time of Concentration.............................................................................................................. 5
Table 8:         Catchment A Post Development Peak Flow Rates ......................................................................................... 6
Table 9:         Catchment B Post Development Peak Flow Rates ......................................................................................... 6
Table 10:        Catchment C Post Development Flow Rates.................................................................................................. 6
Table 11:        External Catchment C .................................................................................................................................... 7
Table 12:        External Catchment A Peak Flow Rates ......................................................................................................... 7
Table 13:        Peak Discharge Rate for Site (m3/s) .............................................................................................................. 8
Table 14:        Detention Tank A Parameters ........................................................................................................................ 8
Table 15:        Comparison of Pre Development, Post Development and Mitigated Flow Rates for Catchment B .............. 9
Table 16:        Construction Phase Key Pollutants .............................................................................................................. 10
Table 17:        Construction Phase Water Quality Performance Criteria ............................................................................ 10
Table 18:        Treatment Train Effectiveness of Proposed SQID ........................................................................................ 13
Table 19:        Bio-retention Basin Maintenance Schedule................................................................................................. 15



APPENDICES
Appendix A       Skyline Surveyors, Contour and Detail Survey (Ref: 21 April 2017)
Appendix B       Burling Brown Architects, Site Plan (Ref: GSL06/SK02/P4)
                 Burling Brown Architects, Carpark 1 (Ref: GSL06/SK03/P5)
                 Burling Brown Architects, Carpark 2 (Ref: GSL06/SK04/P4)
Appendix C       Odyssey Consulting Group, Pre Development Catchment Plan (Ref: K4277/P005/B)
Appendix D       Odyssey Consulting Group, Post Development Catchment Plan (Ref: K4277/P006/D)
Appendix E       Odyssey Consulting Group, External Catchment Plan (Ref: K4277/P011/C)
Appendix F       Odyssey Consulting Group, Stormwater Management Plan (Ref: K4277/P007/E)
                 Odyssey Consulting Group, Stormwater Detention and Bioretention Details (Ref: K4277/P010/D)
Appendix G       Odyssey Consulting Group, Sediment and Erosion Control Plan (Ref: K4277/P008/C)
                 Odyssey Consulting Group, Sediment and Erosion Control Details (Ref: K4277/P009/A)




K4277-0002-D                                                            14 February 2019                                                                          Page iii of iii