Discover our portfolio of successful geotechnical projects across Australia. From site investigation to foundation testing, each project showcases our commitment to precision, safety, and engineering excellence.
With decades of combined experience, our engineers and field technicians deliver trusted testing solutions for construction, civil, and infrastructure projects across Australia. Every test we perform upholds the highest standards of accuracy and reliability.
Geotech Testing Pty Ltd delivered comprehensive geotechnical inspection and testing for the Heathcote Road Bridge Replacement project. Our team ensured soil compaction, aggregate quality, and foundation integrity in compliance with AS3798 and AS1289 standards, supporting a safe and durable bridge structure.
Geotech Testing provided Level 1 earthworks supervision and material testing services for the Barden Ridge Civil Works project. Our engineers ensured that all soil, aggregate, and pavement layers met design specifications and quality standards for long-term performance and durability.
Geotech Testing conducted extensive site classification, compaction control, and material testing for multiple large-scale residential developments including Jordan Springs, The Gables, Box Hill, and Hills of Carmel. Our work supported the delivery of safe, compliant, and high-quality housing infrastructure.
Geotech delivered field density testing, foundation assessment, and material compliance services for residential developments in Willowdale, Glenmore Park, and Menangle Park. These projects emphasized sustainable design and adherence to AS2870 foundation standards.
Our team provided earthworks testing, pavement evaluation, and material certification for developments in Austral, Emerald Hills, and Eastern Creek Industrial Estate. Geotech ensured compliance with AS1289 and TfNSW methods to support long-term structural performance.
Geotech Testing carried out soil compaction, CBR testing, and foundation assessments for the Priestdale Road residential subdivision. Our role supported efficient construction sequencing while maintaining safety and environmental standards.
Geotech provided on-site Level 1 supervision, soil compaction control, and laboratory testing for the Evergreen Stage 3C Rochedale Subdivision. The project maintained strict compliance with AS3798 to ensure the delivery of stable residential lots.
For the Parkside Carindale Retirement Village project, Geotech Testing conducted foundation classification, pavement CBR evaluation, and environmental exposure assessments. Our services ensured a safe and durable site suitable for long-term residential care facilities.
Geotech Testing was engaged to provide geotechnical testing, inspection, and construction support services for the replacement of an existing timber bridge with a culvert structure and associated road reconstruction works.
The project involved excavation of existing materials, preparation of a suitable founding subgrade, installation of culverts, placement of engineered fill, and reinstatement of the roadway. Our role focused on verifying ground conditions, foundation suitability, and compaction of structural fill to ensure compliance with project specifications and relevant standards.
Services provided included:
• In-situ testing of foundation materials using Dynamic Cone Penetrometer (DCP) testing to assess subgrade bearing conditions
• Geotechnical input into the design of subgrade replacement materials and required bearing capacity beneath the culvert slab
• Inspection of excavation works, including removal of unsuitable materials to achieve competent founding conditions
• Verification testing of engineered fill placement and compaction for culvert backfilling works
• Compaction testing of structural fill surrounding the culvert installation
• Pavement testing for reconstructed road sections, including assessment of pavement layer performance
• Field density testing to confirm compliance of all earthworks and pavement materials
Geotech Testing’s involvement ensured that the culvert structure was founded on suitable ground and that all backfill and pavement works achieved the required engineering standards for stability, durability, and long-term performance.
Our services supported the safe replacement of the bridge infrastructure and reinstatement of the roadway while maintaining strict quality control throughout construction.
Geotech Testing was engaged to provide comprehensive construction materials testing and Level 1 geotechnical supervision for a large-scale residential subdivision involving substantial bulk earthworks, road construction, retaining structures, and service installation.
The project included approximately 55,000 m³ of cut-to-fill earthworks, including placement of engineered fill and potential imported materials, undertaken over an extended construction period. Our role focused on verifying compliance of earthworks, pavements, foundations, and service backfill with project specifications and relevant Australian Standards.
Services provided included:
• Level 1 supervision and testing of bulk earthworks in accordance with AS 3798, including verification of fill placement, compaction, moisture conditioning, and proof rolling inspections
• Field density and moisture testing to confirm compliance of engineered fill materials
• Pavement materials testing for approximately 2.7 km of new road construction, including compaction control of subgrade, sub-base, and base course layers
• Foundation bearing capacity assessment for retaining wall footings using in-situ Dynamic Cone Penetrometer (DCP) testing
• Compaction testing of stormwater pipeline trench backfill and fill surrounding drainage structures
• Site classification for residential lots in accordance with AS 2870 — Residential Slabs and Footings
• Ongoing quality assurance support for civil infrastructure works across the subdivision
Geotech Testing’s involvement provided independent verification that earthworks, road pavements, retaining wall foundations, and underground services were constructed on suitable ground and in accordance with applicable standards.
Our services supported the delivery of critical subdivision infrastructure while maintaining strict quality control, enabling the developer and contractor to progress works efficiently and with confidence in the long-term performance of the completed development.
Geotech Testing was engaged to undertake site observation, proof rolling supervision, and geotechnical assessment of the prepared subgrade for a proposed car park development. The purpose of the inspection was to verify that the existing ground conditions were suitable to receive engineered fill in accordance with project specifications and relevant Australian Standards.
Site preparation works included stripping of topsoil and vegetation to expose the underlying subgrade across the proposed car park footprint and adjacent fill areas.
Services provided included:
• Site inspection of stripped formation level and exposed subgrade conditions
• Observation of ripping and compaction of existing fill materials
• Supervision of proof rolling using a 12-tonne static smooth drum roller
• Assessment of subgrade performance under load to identify deflection, yielding, or instability
• Geotechnical advice regarding suitability for placement of engineered fill
The exposed subgrade comprised compacted fill consisting of silty gravelly clay. Under proof rolling, the formation was observed to be firm and unyielding, with no visible deflection, pumping, or springing, indicating adequate bearing capacity and uniform support conditions.
Based on field observations, the prepared subgrade was assessed as suitable to receive controlled fill in accordance with AS 3798 – Guidelines on Earthworks for Commercial and Residential Developments and project specifications.
Geotech Testing’s involvement provided the contractor with confidence that the formation met the required standards for subsequent earthworks and pavement construction, supporting safe and efficient progression of the project.
Geotech Testing was engaged during the construction phase of the Willowdale development to provide specialist geotechnical testing, inspection, and certification services for civil infrastructure works, including roads, earthworks, retaining structures, and stormwater assets.
Our role focused on quality assurance and verification of ground conditions and pavement construction to ensure compliance with project specifications, development consent requirements, and Campbelltown City Council standards.
Services provided included:
• Review and incorporation of existing geotechnical reports relevant to the site
• Pavement thickness design assessment for approximately 2.2 km of road infrastructure
• Level 1 supervision, inspections, testing, and reporting for bulk earthworks and fill placement
• Level 2 pavement sampling and testing following subgrade preparation to validate pavement design assumptions
• Geotechnical compliance certification in accordance with Council requirements
• Inspection of retaining wall footings using Dynamic Cone Penetrometer (DCP) testing to verify founding conditions
• Stability design review and geotechnical input for retaining wall structures
• Certification of detention basin design in accordance with development consent conditions
• Field and laboratory testing to confirm compliance of pavement layers, earthworks, and structural foundations
Geotech Testing’s involvement provided the developer with independent verification that civil works were constructed on suitable ground and in accordance with approved designs, enabling timely certification and progression of construction activities.
Our services supported the delivery of critical infrastructure across the Willowdale development while maintaining strict quality control over earthworks, pavements, retaining structures, and stormwater facilities.
Geotech Testing was engaged to provide comprehensive construction materials testing and Level 1 geotechnical supervision for a project involving substantial bulk earthworks, specialised ground works, and subdivision preparation activities.
The works included approximately 9,500 m³ of bulk earthworks associated with site regrading and preparation, as well as the construction of a burial cell requiring strict compaction control and verification. Our role focused on ensuring that all earthworks, pavement layers, and residential lots were prepared in accordance with project specifications, relevant standards, and long-term performance requirements.
Services provided included:
• Level 1 geotechnical supervision and testing of bulk earthworks, including verification of fill placement and compaction
• Level 1 supervision and testing for burial cell construction works
• CBR confirmation testing to support pavement design requirements
• Pavement testing to verify compaction and structural adequacy of constructed layers
• Residential lot classification in accordance with applicable Australian Standards
• Exposure classification to assess site conditions relevant to durability and construction requirements
• Field density testing and quality assurance of all earthworks materials
The testing program provided assurance to the developer and contractor that ground conditions, engineered fill, and pavement construction met the required standards for safety, durability, and long-term performance.
Geotech Testing’s involvement supported efficient project delivery while maintaining strict quality control across all earthworks and subdivision components.
Geotech Testing was engaged to provide construction materials testing and Level 1 geotechnical supervision for Stages 1 and 2 of a residential subdivision involving significant bulk earthworks and internal civil infrastructure. The works included approximately 5,000 m³ of cut-to-fill earthworks associated with site regrading, road construction, and preparation of residential lots.
Our involvement covered internal works along Woodcarver Street and Driveway 1, as well as earthworks, ground preparation, and installation of underground services across both stages of the development.
Services provided included:
• Level 1 geotechnical supervision and testing of bulk earthworks and ground preparation
• Verification of engineered fill placement and compaction during cut-to-fill operations
• Pavement testing for internal roads and driveways, including CBR assessment and in-situ density testing
• Backfill testing for stormwater drainage infrastructure
• Sewer pipeline and structure backfill testing along Woodcarver Street and Driveway 1
• Water pipeline trench backfill testing
• Inspection support for areas of proposed retaining walls, including stability considerations
• Field density testing to confirm compliance of all civil works materials
The testing program supported the construction of internal roads, service corridors, and residential allotments across both stages, providing assurance that earthworks, pavement layers, and service backfills met the required engineering standards for long-term performance and safety.
Geotech Testing’s involvement enabled the developer and contractor to progress works efficiently while maintaining strict quality control over all ground and infrastructure components throughout the subdivision.
Geotech Testing was engaged to provide construction materials testing and Level 1 geotechnical supervision for internal roadworks and associated civil infrastructure within a residential subdivision development. The project involved earthworks, ground preparation, and installation of services supporting two internal roads and residential allotments.
Our role focused on quality assurance of earthworks, pavement construction, and service trench backfill to ensure compliance with project specifications, Australian Standards, and compaction requirements throughout construction.
Services provided included:
• Level 1 geotechnical supervision and testing of earthworks and ground preparation
• Verification of fill placement and compaction for internal road formation works (Road 1 and Road 2)
• Pavement testing for internal road construction, including CBR assessment and in-situ density testing
• Backfill testing for stormwater drainage infrastructure
• Sewer pipeline and structure backfill testing, including works along Woodcarver Street and internal roads
• Water pipeline trench backfill testing
• Inspection support for proposed retaining wall areas, including stability considerations
• Field density testing to confirm compliance of all civil works materials
The testing program supported the construction of internal roads, underground services, and residential subdivision works, providing assurance that ground conditions, pavement layers, and service backfills met the required engineering standards for long-term performance and safety.
Geotech Testing’s involvement enabled efficient project delivery while maintaining strict quality control across all earthworks and infrastructure components.
Geotech Testing was engaged to provide construction materials testing and Level 1 geotechnical supervision for a residential subdivision involving significant bulk earthworks and civil infrastructure works, including approximately 5,000 m³ of cut-to-fill earthworks.
Our scope focused on verification testing of earthworks, pavements, and service trench backfill to ensure compliance with project specifications, Australian Standards, and compaction requirements throughout construction.
Services provided included:
• Level 1 geotechnical supervision and testing of bulk earthworks and ground preparation
• Compaction testing of engineered fill during cut-to-fill operations
• Pavement testing for internal roads and residential driveways (medium- and light-duty), including CBR and in-situ density testing
• Backfill testing for stormwater drainage trenches
• Sewer pipeline and structure backfill testing
• Water pipeline trench backfill testing
• Field density testing to verify compaction of all civil works materials
• Monitoring of fill placement and ground preparation activities
The testing program supported the construction of internal roads, services, and residential lots, providing assurance to the developer and contractor that earthworks and infrastructure backfill achieved the required standards for durability, safety, and long-term performance.
Geotech Testing’s involvement enabled efficient construction progress while maintaining strict quality control over all ground and pavement works across the subdivision.