20220218 22 Grant SWMP · MCU22/0172

 STORMWATER QUALITY
The following sections discuss the stormwater quality considerations for the construction and operational phase of
the development.


     4.1. Construction Phase

          4.1.1 Erosion and Sediment Control Measures
During construction, it is necessary to manage stormwater run-off to avoid potential contamination of downstream
drainage networks and receiving environments from sediments and other pollutants from the site. A range of best
practice sediment and erosion controls should be implemented on the development to ensure negative impacts to
the downstream systems are mitigated.

As the area being developed is below 2,500m², the development’s construction will be managed using best practice
erosion and sediment control principles in line with the desired outcomes of Appendix 2 of the SPP (DERM, July
2017), which are shown below in Figure 4.1.




                     Figure 4.1 SPP 2017 Construction Phase Stormwater Management Design Objectives

A site-specific erosion and sediment control plan is required for the development. Suitable erosion and sediment
controls for the site may include:

     1. Sediment fencing along downstream of the work areas within the site to prevent sediment from leaving the
        construction area.




Project number 20220218                                                                                       Page 9 of 14
File 20220218 22 Grant SWMP.docx, 2022-09-15 Revision 1

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