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Stormwater Management

Potential impacts of development were assessed using AQUALM (XP Software) with
established parameters to determine potential pollutant loadings.

The proposed development does not alter existing drainage paths. The AQUALM analysis
indicated that pollutant exports from the proposed development are reduced to sustainable
loads by the implementation of appropriate stormwater quality treatment measures. These
measures comprise the use of filter strips/swales in the East Visitor Precinct and the use of bio-
retention systems followed by treatment within the proposed lake at the West Visitor Precinct.
The AQUALM analysis also indicated that there is sufficient runoff from the West Visitor Precinct
to maintain a functional body of water within the lake, provided infiltration losses are minimal.

Given the size of the catchment and the topography of the site, there are predicted to be no
flooding issues associated with the proposed Noosa North Shore Eco-Tourism Portal.

Earthworks Management

~~ The proposed eco-cabins will be constructed using techniques that require minimal excavation.
The final location of the proposed eco-cabins will be determined based on minimal impact to
existing vegetation (ie position around existing trees).

The construction of the proposed access networks will be carried out by adopting construction
methodologies to minimise the need for significant earthworks.. The access ways will be
constructed with one way cross fall to ensure minimal earthworks requirement (given the natural
topography of the land). This construction technique also assists in the stormwater
management process.

The final location of all buildings will be selected based on the objective of minimisation of
earthworks.

Waste Management

Waste Management at the proposed Noosa North Shore Eco-Tourism Portal will be conducted
through the construction and operation of two waste transfer stations to be strategically located
adjacent to the proposed sewage package treatment plant (for the East Visitor Precinct) and the

oo proposed services workshop (West Visitor Precinct). Waste management practices will be
based upon techniques that reduce the volume of waste produced, encourage reuse and
recycling of waste products and minimises the volume of waste disposed to landfill.

Environmental Management Plan

An Overview Environmental Management Plan (EMP) has been prepared by Cardno MBK and
is included in the “Code of Development”. The EMP provides requirements to ensure adverse
impacts of development are minimised as far as practicable.

~ —s - Lote ED cee tee

 

PETRAC LAND HOLDINGS P/L Noosa North Shore Eco-Tourism Portal September 2003
LA7296-03\ReportFINAL REPORT - 18Sept03.doe Commercial in Confidence Page 3