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  • Tomorrow's Solutions

    Delivered Today

  • Nationwide Coverage

    of more than 5,000 projects

  • Australian Owned

    multi-disciplinary team

Martens carried out a combined geotechnical, acid sulfate soil (ASS) and Stage 1 and 2 contamination assessment to identify potential development constraints for a proposed on-site stormwater treatment device (OSTD).

Martens carried out a combined geotechnical, acid sulfate soil (ASS) and Stage 1 and 2 contamination assessment to identify potential development constraints for a proposed on-site stormwater treatment device (OSTD) at the corner of Steven and Swinbourne Streets, Botany, NSW. Excavation for the OSTD is proposed to be approximately 4.2 m deep and result in displacement of approximately 200m3 of material.

The geotechnical and ASS assessment scope included:

  • Drilling of three boreholes using a ute-mounted drill rig up to 10.5m depth
  • Four cone penetration tests (CPT) progressed up to 25m depth
  • Installation of a groundwater well to approximately 4.5m depth
  • Collection of water and soil samples for the contamination and ASS assessment
  • Provision of a report presenting geotechnical and ASS assessment results and advice and recommendations for design and construction works, including soil classification and ASS management requirements
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