O2 stormwater Report Rev Oct 2015

Figures
Figure 1 - Site Location                                                                                         1
Figure 2 – Pre-Development Topography                                                                            2
Figure 3 – Hydroponic Tomato Setup                                                                               3
Figure 4 – Drip Irrigation System                                                                                3
Figure 5 - Catchment Plan.                                                                                       6
Figure 6 - Land Use Mapping for Catchment (Source QLUMP).                                                        7
Figure 7 - MUSIC Model Layout.                                                                                  10
Figure 8 - MUSIC Model for Greenhouse Roof Treatment System                                                     13
Figure 9 – Pre- vs Un-Mitigated Post-Development Hydrographs – 1% AEP Event.                                    16
Figure 10 – A Comparison of the Runoff Volumes for the Pre- (left) and Post-Development (right) Scenarios.      17
Figure 11 - 1% AEP Hydrographs - Site vs Regional.                                                              18



Tables
Table 1 - Meteorological and Rainfall Runoff Data.                                                               5
Table 2 - MUSIC Monthly Evapotranspiration Data (mm).                                                            5
Table 3 - Summary of Landuse and Fraction Impervious.                                                            8
Table 4 - Rainfall-runoff Parameters for MUSIC Source Nodes.                                                     9
Table 5 - Pollutant Export Parameters for Urban, Industrial, Mining and Waste, Forest and Agriculture Source Nodes
     (extracted from Table 3.9, Water by Design, 2010).                                                          9
Table 6 – Results from MUSIC Modelling.                                                                         10
Table 7 - Pollutant export parameters for Roof source nodes (extracted from Table 3.8, Water by Design, 2010).  11
Table 8 - Water Quality Objectives.                                                                             12
Table 9 – Media Filtration System Input Parameters                                                              12
Table 12 - Swale Node Reporting Table                                                                           12
Table 13- IFD Data Applied to Hydrologic Assessment                                                             14
Table 14 – Performance of Mitigation Measures – Peak Flow Rate at LPD                                           16
Table 15 – Erosion Risk Categories                                                                              19
Table 16 – Estimated Soil Loss and Risk Categorisation for Varied Slope Lengths and Grades                      20
Table 17- Stabilisation Materials                                                                               20
Table 18 - Sediment Control Standard based on Soil Loss Rate                                                    21
Table 19 - Roles and Responsibilities                                                                           22



Appendices
Appendix A     Site Layout (Martoo Drawing Number)                                                               A
Appendix B     Assessment of Historic Nutrient Loads                                                             B
Appendix C     Media Filtration System Concept Plan                                                              C




Stormwater Management Plan – Lot 1 on SP108094, 305 Lake Macdonald Drive                                     Page v

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