Drill rig and crew beside open trenches on the social housing site

Detailed Site Investigation for Social Housing

Overview

ARC was engaged to review existing environmental information provided by the client and undertake environmental investigations to support the completion of a Statutory Environmental Audit for the development of social housing.

Based on the existing investigation information, ARC approached a "gap-focused" audit-support strategy by reviewing and re-interpreting the existing dataset from the previous consultant, along with further assessment to fill in identified gaps in the Conceptual Site Model (CSM). ARC developed a targeted Sampling and Analysis Quality Plan (SAQP) which was endorsed by the appointed Environmental Auditor and undertook a Detailed Site Investigation (DSI) including soil and groundwater investigations.

Cleared redevelopment site for a social housing projectRedevelopment site beside a brick wall with street art

Scope

Challenge

The main contaminants of potential concern were identified as petroleum hydrocarbons related to off-site underground storage tanks (USTs), and metals & benzo(a)pyrene related to imported fill material.

Groundwater well covers on a footpath beside a mural
Outcome

The Auditor issued a completed Audit Statement for the proposed redevelopment.

Project details
Client

Date Completed

2025

Project Location

Victoria

Services Provided
  • Contaminated Land Consultancy
  • Contamination Assessments
  • Sampling and Analysis Quality Plan
  • Environmental Audit Support
  • Preliminary Site Investigation
  • Soil Assessment
  • Groundwater Assessment
  • Waste Soil Classification
  • Detailed Site Investigation
  • Construction Environmental Management Plan
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