Development Application Part 2 - Environmental & Stormwater Management Plans · OPW11/0335

1.         INTRODUCTION

Simmonds and Bristow have been commissioned by Contrast Construction Pty Ltd (for the
Scanlon Property Group Pty Ltd) to revise the Stormwater Management Plan (SWP) and
Sediment Erosion Control Plan (SECP) for re-development of the Peregian Caravan Park as
the Essence of Peregian. This revision addresses Stage 1 of the development only, and does
not reiterate discussion of receiving water quality and soils information as these were previously
described in sufficient detail (SCEP, Simmonds and Bristow, 2010)

The revised plans for the Stage 1 development describe two development phases.             The
construction phase, when building activity disturbs the ground surface, is described by the
SECP. The maintenance phase, when the commercial and hotel development is fully built and
operational, is described by the SWP. The plans are intended to protect the environmental
values of receiving waters by minimising the hydraulic disturbance and loads of contaminants in
run-off from the development site.

The SECP for the Stage 1 development has adopted the existing erosion hazard and risk
assessment for the development site (SCEP, Simmonds and Bristow, 2010).              The SECP
provides information on managing the erosion and off-site export of soil from the development
site, and identifies the personnel responsible for establishing and maintaining all erosion and
sediment control measures.

The SWP for the Stage 1 development describes the stormwater treatment train, which has
been reduced to managing stormwater from the commercial area, the hotel precinct, and
overland flow from upslope sources. It is proposed that stormwater from these sources will be
channelled through treatment units before release into the receiving waters of the Noosa
National Park. The SWP is based on assessments and MUSIC computer modelling of likely
changes to annual stormwater sediment and nutrient loads from the proposed Stage 1
development. The plan also provides information on managing the stormwater treatment train,
and the personnel responsible for this management.

The plans are prepared in accordance with the Queensland Best Practice Environmental
Management Guidelines 2009. References were also made to the following guidelines:

            • Introductory Erosion and Sediment Control Guidelines for Queensland Councils;
            • Erosion & Sediment Control: A decade of lessons learnt; and
            • Controlling stormwater pollution on your building site.

This report directly follows from the revised SWP and SECP (J-1005-310: Essence of Peregian:
Stormwater Management Plan; Sediment and Erosion Control Plan, Simmonds & Bristow,
December 2010). The SWP for the Stage 1 development addresses only stormwater from the
commercial precincts, which are to be routed directly into the Constructed Wetland C2 (the
southern wetland).




02011 Simmonds & Bristow Ply Ltd                Pacific Plumbing - Scanlon Property Group Pty Ltd                    J-1109-155 - 8 September 2011
I ICLIENTFILESIContrast Conslnr cao.sU I09L 155c Essence of Peregian SCEP Stage 1 Update109_Output DocumentsU 1109. 155c_SMP_Scanbn Property
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