Design and Construct
PCA Ground Engineering is redefining what’s possible beneath the surface. From geotechnical and structural design to civil infrastructure, we deliver innovative solutions that give projects the solid foundations they deserve. With a hands-on team of experts and a reputation for tackling the toughest ground conditions, we provide safe, certified, and cost-effective outcomes that keep projects moving forward – nationwide.
Slope Stabilisation Design and Solutions
Specialist Micropile Design
Piled Foundations for Infrastructure and Buildings
Ground Improvement Engineering
Transmission Tower Foundation Design
Earth Retention and Shoring Design
In-House Design Team & Certification Capabilities
Geomechanical and Rock Slope Assessments
Slope Stabilisation Design and Solutions
Slope instability poses significant safety and operational risks to all types of assets, especially in areas with variable geology or extreme weather exposure. PCA Ground Engineering provides advanced and practical slope stabilisation designs using a suite of engineered systems, including:
- Soil nails and rock bolts
- Shotcrete-facing systems
- Soil nails/anchors and steel mesh systems
- Rock catch fences and rock mesh systems
- Micropiles and anchor systems
- Large diameter piles with ground anchors/tie-backs
- Gravity Walls and Reinforced Soil Structures
- Drainage systems
Our team integrates geotechnical investigation, 3D terrain modelling, and field instrumentation data to develop and certify stabilisation strategies that are both reliable and responsive to future changing site conditions. Whether it’s protecting highways, rail corridors, utility easements, or residential areas, PCA’s slope remediation designs adhere to Australian Standards and applicable local authority requirements.
Specialist Micropile Design
As a market leader in micropile technology, PCA Ground Engineering provides detailed design and certification for high-performance, small-diameter deep foundations. Micropiles are ideal for sites with restricted access, sensitive structures, or difficult ground conditions such as cobbles, rock, or soft clays.
PCA’s engineering services cover:
- Axial and lateral load-bearing micropile design
- Rock socketing and bond length determination
- Buckling and group action analysis
- Interface detailing with structural footings or tower brackets
- Load testing methodology and acceptance criteria
Our engineers use international and Australian standards including AS 2159 and FHWA guidelines, ensuring designs are optimised for both performance and constructability. PCA’s micropile solutions are widely used for transmission towers, slope stabilisation, bridge supports, building retrofits and deep foundations with difficult ground conditions.
Piled Foundations for Infrastructure and Buildings
For critical infrastructure and commercial construction projects, PCA Ground Engineering designs and documents piled foundation systems to meet project-specific geotechnical conditions. We offer solutions incorporating:
- Bored piles (drilled shafts)
- Continuous Flight Auger (CFA) piles
- Driven piles (steel, concrete, or timber)
PCA’s approach balances geotechnical data, superstructure loading, and site logistics to determine the optimal pile type and configuration. With our in-house expertise, we produce full engineering documentation and certification, including detailed reinforcement schedules, pile layouts, and geotechnical modelling to support structural designs and construction planning.
Ground Improvement Engineering
Ground conditions such as loose sands, soft clays, and fill material can undermine project performance. PCA Ground Engineering delivers ground improvement design services that stabilise, reinforce, and enhance subgrade conditions. Our engineered solutions include:
- Permeation and high pressure grouting
- Vibro-replacement and stone columns
- Microfine cement injection for sandy soils
We assess the soil profile and intended use to propose solutions that reduce settlement and increase bearing capacity. PCA Ground Engineering ensures all designs are supported by construction specifications, testing regimes, and QA/QC requirements that meet Australian standards, state road authorities and council requirements.
Transmission Tower Foundation Design
With increasing demand for energy network resilience and load upgrades, PCA Ground Engineering offers industry-leading designs for transmission tower foundations, especially in challenging terrain. Our services include:
- Foundation retrofits using micropiles with K-LoKtm brackets and steel caps
- Reinforcement of existing concrete footings
- Rock socket design for hilltops and ridgelines
- Load-path analysis for uplift, shear, and overturning moments
We work closely with utilities, contractors, and asset managers to deliver reliable foundation systems that meet current and future load requirements, including for climate-resilient infrastructure and expanded conductor capacities. PCA’s engineers also support load testing, compliance reporting, and detailed construction methodology documents.
Earth Retention and Shoring Design
Where excavation, roadworks, or property boundaries create the need for structural retention, PCA Ground Engineering delivers detailed and certified earth retention designs. Systems include:
- Soldier pile and lagging walls
- Contiguous pile and secant pile walls
- Soil nail walls with shotcrete or mesh facing
- Gravity walls using gabions or concrete units
- Reinforced soil structures using geogrids, soil nails and various facing elements
Our designs factor in surcharge loads, water pressures, and retained height to provide safe and economical retention strategies. PCA Ground Engineering can incorporate low-permeability solutions where groundwater exclusion is a factor, making our designs suitable for basements, embankments, and cut-and-cover structures.
In-House Design Team & Certification Capabilities
What sets PCA Ground Engineering apart is our fully integrated, in-house engineering team. Our engineers are experienced across geotechnical, civil, and structural disciplines, ensuring design continuity and faster turnaround times. All documentation is prepared to meet relevant Australian Standards (e.g., AS 2159, AS 3600, AS 1170, AS 4100) and includes:
- Certified drawings
- Structural calculations and design reports
- Construction specifications and material selections
- ITPs and site-specific design advice
With Registered Professional Engineers of Queensland (RPEQ) and Chartered Engineers on staff, PCA ensures each design package is independently reviewed and compliant.
Geomechanical and Rock Slope Assessments
PCA Ground Engineering also offers advanced geomechanical assessments for natural and engineered rock formations. Our services include:
- Rock mass characterisation using RMR and GSI systems
- Slope kinematic analysis and block stability modelling
- Rockfall risk mitigation design
- Field mapping and drone-based terrain capture
Our reports are suitable for civil infrastructure, mining access roads, energy corridors, and landslide-prone areas, offering practical recommendations for excavation, support, and monitoring strategies.
Partner with PCA Ground Engineering for certified, engineered outcomes you can trust. From concept to completion, we deliver geotechnical excellence backed by design innovation and site experience. Let our engineering services power your next project.