20210041 27 Bottlebrush Ave Stormwater

                    3. 2. E R O S I O N A N D S E D I M E N T C O N T R O L M E A S U R E S

            During construction, it is necessary to manage stormwater run-off to avoid potential
            contamination of downstream waterways and infrastructure from sediments and other
            pollutants from the site.

            Best practice erosion and sediment controls shall be installed to minimise the discharge of
            potential contaminants from the site, in accordance with the objectives of Appendix 2 of the
            SPP (DERM, July 2017) shown below in Figure 3.4.




               Figure 3.4 SPP 2017 Construction Phase Stormwater Management Design Objectives

            Appendix A Proposed Development Plans contains the site-specific erosion and sediment
            control (ESC) Plan proposed for the development. The measures suitable for the site
            include:

                    1. Sediment fencing installed along the downstream boundaries of the site.

                    2. Diversion of upstream run-off around exposed earthworks through the
                       implementation of a catch drain around the work area until the stormwater drainage
                       line is installed

                    3. A shakedown area is to be installed at the construction site entry/exit points.



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