Compaction & Soil Testing Services (CSTS) Pty Ltd is an Australian owned company based in NSW and specialises in the fields of GEOTECHNICAL ENGINEERING, ENVIRONMENTAL SCIENCE and LABORATORY TESTING. Our team consists of qualified professionals from a range of backgrounds with varying experience and skill sets, this allows us to provide our clients with expert guidance that you can rely on. At CSTS we offer a broad range of services including: Soil Testing Services Compaction Control Pavement Design (CBR) Pavement Investigations Level 1 & 2 Supervision of Earthworks Projects to AS3798 Geotechnical Investigation & Consultancy Pipeline Testing with Sydney Water Accreditation Contamination Assessment & Validation Laboratory Testing for Soil & Aggregates Stockpile Analysis Lot Classification Site investigation for building and development sites Quality control testing for roadworks, subdivision and construction sites The CSTS Laboratory is based at Glendenning which allows for quick and easy access to sites within the Sydney metropolitan area, our services are however also available to NSW in its entirety. CSTS also offers geotechnical and environmental drilling services through Site Drilling and Investigation. Call our office on 9675 7522 for a competitive quote.