AGENDA - Sunshine Coast Council

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Strategy and Planning Committee Agenda 16 February 2011 The catchment and estuary management plan will be used to manage challenges and achieve a balance for social (recreational use and access), cultural significance, residential waterfront communities), environmental (waterway health), and economic (tourism and water based industries) values. The catchment and estuary management plan is expected to review both established and proposed land and water based activities making recommendations on measures to achieve the desired social, environmental and economic values. The catchment and estuary management plans may lead to the implementation of marine zones and related compliance arrangements as identified in Strategic Outcome NW 5. The estimated additional recreational boating generated by the proposed development when viewed against established use and predicted background increase is in the order of 5%. While this figure in itself is minor, the whole picture of recreational use on the Pumicestone Passage is a continuing concern, if not appropriately managed through an implemented catchment and estuary management strategy. Improvements to waterway health are made through the identification and management of diffuse and point sources or waterway pollution All point sources associated with the proposed development must be treated prior to discharge into the lake system. Although not part of the treatment train, the lake will perform a tertiary treatment role, which will be continuously monitored. It is not expected that the urban development associated with this Preliminary Approval will result in waterway pollution. Water quality within the lake will be required to meet the minimum desired standards for water quality in the Pumicestone Passage as prescribed by the Environmental Protection (Water) Policy 2009. CONSTRUCTED WATERWAYS (PRINCIPLES) For newly constructed water bodies to be considered as an appropriate design solution, an overriding need in the public interest must be identified which identifies the integrity of the claimed functions, the risks and net benefit attributable to the Sunshine Coast Region, the general public and other parties Since the subject land was rezoned back in 1996, water bodies have been an integral part of the planning for this site as evidenced by subsequent Planning Schemes which have identified waterway extensions, a marina and a Town Centre with aspect over water. Despite this, council officers have been working to ensure that any constructed water body associated with the development demonstrates an overriding need in terms of the public interest, minimises the risks and justifies the net benefits to the Sunshine Coast Region. • First, the Town Centre has been located and designed to service a community in excess of 11,000 people. The Town Centre is based on the principles of sustainable transport by providing opportunities for employment and high density residential in close proximity to be serviced by high frequency bus routes supported by Translink. In order for the Town Centre to be built in this central location and to provide for the appropriate immunity levels, including catering for climate change, fill needs to be sourced. Without the waterbodies, the fill would be sourced externally, which is neither preferred from an environmental, amenity, maintenance, or economic perspective. • Second, the proposed development includes the opportunity for low scale marine based industry and a boutique town centre, which may assist in diversifying the industry base on the Sunshine Coast; Page 36
Strategy and Planning Committee Agenda 16 February 2011 • Third, the walkable waterfront, marina and proposed marine structures provide a significant recreation opportunity for the region’s residents to access the waterways and waterfront; and • Fourth, the applicant has agreed to provide a financial contribution towards the maintenance, operation and end of life replacement cost of all marine structures and infrastructure associated with the lake and canal extension for a 40 year period. The integrity of the claimed functions has been substantiated through detailed assessment and management conditions, the risks to Council have been minimised and the net benefit of opportunities for the immediate and general community are significant. Other Principles include: Constructed water bodies are designed and managed to maximise resource use efficiency and minimise life cycle costs and risks - Apart from the financial contribution, the tidal exchange system being proposed is the most efficient method of tidal exchange currently utilised as it relies primarily on the fluctuating tide and actuated valves rather than sophisticated and energy reliant pump systems, such as the one servicing the northern lake system in Pelican Waters. Constructed water body management is regionally consistent and considers the integrity of functions and the integrated competing nature of social, economic and environmental functions - Both lake and canal management plans are required to be prepared and submitted for Council assessment. As evidenced by the relevant conditions, these management plans will involve detailed aspects of the social, economic and environmental functions of each water body. These management plans are a consistent standard for constructed water body management that has been derived from established management plans, maintenance programs and best practice water quality management initiatives. Constructed lakes are not considered part of the urban water treatment train – The majority of the site drains to the proposed lake system. The lake has not been designed to be part of the urban water treatment train. All treatment of urban run-off is to occur on the land. The water quality standards established by the conditions require this to be continually demonstrated through testing. The maintenance of the lake system is not to be transferred to Council until it is demonstrated over a continuous period that the water quality objectives within the lake are being achieved. Climate change considerations are incorporated into constructed water body design and management – All coastal infrastructure will be designed to cater for estimated climate change at 2100. COASTAL FORESHORES (PRINCIPLES) The management and the development of the coastal zone occurs in an ecologically sensitive manner for the good of the entire Sunshine Coast community wherever possible Whilst the risk to the environment cannot be eliminated, management plans and measures required and proposed to be put in place will significantly decrease the risk to and associated with this coastal development. Page 37
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AGENDA - Sunshine Coast Council

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