HRP17305.L01.001 Irr

                                                                                                 Stormwater Management Plan
                                                                                                       Noosa Civic Car Wash



                      Column 1                                                      Column 2
                  Specific Outcomes                                  Probable solutions (if code assessable)
 Use of natural treatments and systems                      S7.1 No probable solution

 O7 Natural treatment strategies, including grass           S8.1 Integration of stormwater quality treatment is in
 swales and bio-retention systems, vegetated filtration     accordance Healthy Waterways Water Sensitive Urban
 strips and gross pollutant traps, are used wherever        Design Guidelines for South East Queensland and the Water
 possible.                                                  by Design Bio retention Technical Design Guideline.
                                                            S9.1 Landscape and ecological features (e.g. plant species
 O8 Development design including density and scale          and habitat types) used in stormwater conveyance channels
 provides adequate footprint to integrate all elements of   are complementary to the local context, including natural
 stormwater      quality   and     quantity     treatment   waterways;
 infrastructure including, where relevant, bio retention     AND
 basin batters and maintenance access, without the
 need for retaining walls.
                                                            S9.2 Planting densities result in a stable channel over the long
                                                            term and minimize potential for invasive weed growth.
 O9 Stormwater conveyance channels use natural
 channel design principles to convey external
 catchment stormwater through the development site
 and support landscape, passive recreation and
 ecological values.
 O10 Development design and operation facilitates nil       S10.1 Methods to prevent gross pollutants entering
 increase in gross pollutants entering stormwater           stormwater systems and waterways are adopted that—
 systems.                                                   a)are low maintenance;
                                                            b) prevent nutrient leaching in the event scheduled
                                                            maintenance is delayed;
                                                            and
                                                            c) facilitate human behaviour change (e.g. signage, bins).




HRP17305 | 27 February 2018 | Commercial in Confidence                                                                    12