Tonkin + Taylor provided advice on contamination during pre-lease negotiations, and planning and geotechnical services during Stolthaven’s subsequent exit of their bulk storage terminal at Wynyard Point, Auckland.

The site is located on an area of reclaimed land which had been contaminated with a range of metals, hydrocarbons, and solvents prior to Stolthaven’s Wynyard occupation due to a long history of bulk chemical storage activity on and surrounding the site. Our team assisted Stolthaven with lease negotiations prior to occupation and then undertook soil and groundwater investigations at the end of Stolthaven lease. Through our work, we were able to successfully show that Stolthaven had not caused any incremental change in contamination conditions at the site when it ended its lease.

Demolition phase scope of work included preparing management plans and assessment of environmental effects for the removal of 28 bulk storage tanks and associated infrastructure to support resource consent application. We also provided contamination and geotechnical site support during demolition work.

Despite challenges of undertaking investigations during the COVID-19 pandemic and the end of lease deadline, our team utilised agile processes with parallel workstreams for consenting and site investigation to deliver.

Services

  • Review of conditions in lease agreements with respect to contamination
  • Collation of multiple historic contamination investigations documenting impacts of historic hydrocarbon and chemical releases 
  • Analysis of additional soil and groundwater investigation results in relation to baseline report
  • Development and implementation of contamination management strategy
  • Examination of human-health and environmental risk
  • Documentation of proposed management and liaison with Council to secure consent compliance 
  • Monitoring during construction 
  • Preparation of completion reports

Year

  • 2010, 2020-21

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