Purpose:
This workshop will identify and confirm the need and scope for development of a national guidance document for the approval of stormwater treatment devices and practices. Such a document is intended to provide guidance to regulators in evaluating and certifying the use of innovative treatment devices and practices to meet their statutory requirements.
Initial Agenda:
- Identify gaps and issues inherent within the approval of design, construction, inspection, maintenance and compliance inspections of stormwater treatment devices in Aotearoa New Zealand.
- Review strengths and weaknesses in various available best management practices and approaches in New Zealand, Australia, UK and USA – or other.
- Identify pros and cons of international approaches for use in each NZ region based on areas of concern e.g., type of contaminants
- identify opportunities for these approaches and devices to enhance bicultural design outcomes
- Use this feedback from industry experts to make recommendations on good practice of contemporary aspects of stormwater management e.g. ‘deemed to comply’ stormwater filtration devices (raingardens etc)
- Move to create a comprehensive Aotearoa New Zealand specific stormwater treatment device and practice evaluation procedure to aid designers and regulatory bodies to consistently achieve the best outcomes for our freshwater, nationwide.
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