Consulting, Geotechnical, Underpinning, Soil Testing & Staffing. Geotechnical Engineers & Consultants - Tennyson, QLD . Service: Land Capability Assessment, Percolation Testing, Site Classification, Soil Testing, Stability Assessments. Hours of Operation: Open Monday - Friday. Service Option: By Appointment, Mobile Service, Quotes. Assurance: Certified, Licensed, Standards Australia. Property: Land Developments, Subdivisions. Ownership: Australian Operated, Australian Owned