PART Response to Information Request · OPW11/0335

                                                 EXECUTIVE SUMMARY

Simmonds and Bristow were commissioned by the Scanlon Property Group Pty Ltd to develop
a Stormwater Management Plan (SWMP) and Sediment Erosion Control Plan (SECP) for the
proposed Essence of Peregian development.

The SECP assessed the erosion hazard and risk based on the soil and topography of the
development site. The SECP provides information how to manage the erosion and off-site
export of soil from the development site, and a statement of the personnel responsible for
establishing and maintaining all erosion and sediment control measures.

The SWMP described the management of stormwater from the developed site and upslope
sources beyond the development area. The SWMP provided pre-development measurements
of water quality and soil parameters from the proposed development area, and computer model
outputs (MUSIC 4) that demonstrate compliance of the design stormwater quality with required
guideline standards. These standards were agreed at the Joint Experts Conference, and are
consistent with loads reductions required by the Queensland Water Quality Guidelines (DERM
2009).

Plans that describe the stormwater treatment train (Appendix A) and outputs from computer
modelling used to support the stormwater design (Appendix B) are appended. These plans
show the proposed site layout, the location of bioretention trenches, wetlands, building areas,
plumbing layout, and the structure of bioretention trenches and wetlands within the
development area.

Procedures for maintaining stormwater treatment units (Appendix D) and implementing the
Sediment And Erosion Control Plan (Appendix C; Appendix E) are enclosed with this plan.
These procedures describe how to control erosion, and minimise off-site exports of sediment
and nutrients from the proposed development area, during the construction and post-
construction phases. A plan for monitoring water quality to demonstrate compliance with water
quality objectives is included.




©2010 Simmonds & Bristow Pty Ltd                         Contrast Constructions                          1108-155C - 13 January 2012
I1CLIENTFILES\Contrast Constructions\1108-155c - Essence of Peregian SCEP Stage 1 Update\09_Output Documents\1108-155C_SWMP
SCEMP_Scanlon Property Group V3.0_ta_120113.doc