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Contamination Investigation – PSI & DSI
We undertake investigations to identify and assess potential contamination associated with
existing or historical land use. Depending on the project requirements, our services may include
Preliminary Site Investigations (PSI) and Detailed Site Investigations (DSI) to support
planning, development, and environmental management.
Acid Sulfate Soil Assessment
We assess sites for the potential presence of Actual Acid Sulfate Soils (AASS) and Potential
Acid Sulfate Soils (PASS) where these conditions may affect excavation or development. Our
assessments provide practical recommendations for the appropriate management of affected
soils and materials
Groundwater Monitoring & Assessment
We investigate and monitor groundwater conditions to understand their potential influence on
development and construction. Services may include monitoring well installation, groundwater
level monitoring, sampling, and assessment to support excavation, dewatering, drainage,
contamination investigations, and water-management strategies.
On-Site Wastewater & Effluent Disposal Assessment
Where applicable, we assess soil and site conditions for proposed on-site wastewater disposal
systems. Assessments may consider soil characteristics, site constraints, infiltration capacity,
and the suitability of the proposed wastewater management approach.
Let's understand your site before construction begins.
Need Professional Geotechnical Advice?
Whether you're planning a residential, commercial or industrial development, our team can provide practical geotechnical investigation, soil testing and engineering support.