
Engineering-led civil & marine delivery
Complex Infrastructure. Integrated Delivery.
Specialist piling, ground engineering, marine and bridge construction across Australia, New Zealand and the Pacific – backed by assured supply chains and accountable project leadership.
1997
Management commenced operations as Seatek
25+
Years industry experience
100+
Years collective experience
60+
Projects completed
11
Countries delivered across the Pacific and beyond
Capabilities
One team, accountable from strategy to handover
Engineering, procurement and construction under one delivery model – controlling risk from early engagement through to handover.

Ground Engineering & Piling
Bored, secant and driven piles, diaphragm walls, CSM, stone columns and ground improvement – with ground risk owned from investigation to verification.

Marine Construction
Over-water access, marine piling, heavy lifts, wharves, jetties, pontoons and fender systems – planned for operational and access-constrained sites.

Bridges
Permanent and temporary works for precast, incrementally launched and hollow-core bridges, with 4D staging and engineered imports.

Civil Infrastructure
Water, wastewater, roading, fuel and industrial packages – subdivisions, earthworks, utilities, pavements and flood control.

Supply Chain & Fabrication
Procurement, fabrication surveillance and international logistics tied to the programme – through our associated company, Oceania Steel.
Engineering & BIM
Value engineering, constructibility and federated BIM models in Revit and Tekla – resolving risk before it reaches site.
- Strategic brief & risk
- Options & constructibility
- Design integration
- Verification & handover
Project experience
Proven delivery on complex infrastructure

Brolga Lakes
CombiLoc lakeside retaining walls supporting retained heights of up to 8.5 metres.

Bells Bridge
Assisted our partner Foreshore Marine with construction and resourcing of secant pile walls protecting the bridge during major flood events.

Steamships Harbour Offices
Jetty demolition, sheet-pile reclamation, bored piling in hard rock and an over-water car park. K20M · 6 months.

Lihir Gold Processing Plant
Bored piles 12–30 m deep through volcanic basalt, secant walls and structural steel. US$30M · 12 months.
Products
Engineered systems that improve buildability
Proprietary and partner technologies that reduce temporary works, simplify installation and last longer in aggressive environments.


CombiLoc™
Patented flat-pack modular retention for seawalls, breakwaters, marina walls and bridge abutments.
100-year design lifeUp to 95% lower embodied carbon


ArmorPile™
LSAW steel piles with a fitted UHMWPE sleeve for moorings, dolphins and wave attenuators.
100–1,500 mm pile sizeUp to 50 years design life
DuraLoc
GFRP soil nails and rock bolts – ≥550 kN ultimate
StrongLoc
Self-drilling hollow bar – up to 800 kN
LightFill
Cellular lightweight concrete – 250–1,400 kg/m³
Stone Strong · Australian agent
Modular precast retaining wall blocks
Associated company · Est. 2002
Oceania Steel – specialist steel supply
Project steel sourced from qualified global mills, backed by piling expertise, fabrication control, logistics and site delivery across Australia, New Zealand and the Pacific.
Delivery partners
Integrated leadership, specialist delivery depth

Foreshore Marine
Self-performing marine construction across QLD, NSW, NT and WA, with its own barges, tugs and piling plant.

A O’Sullivan & Associates
First-principles geotechnical engineering and temporary works design for major infrastructure.

Tough Terrain
All-terrain piling, excavation and forestry with a Menzi Muck spider excavator fleet.

Oceania Steel
Sheet piling, pipe piles and marine steel systems for Australia, New Zealand and the Pacific.
HSEQ
Assurance built into every work package
Safety, quality and environmental requirements carried through planning, work packs, hold points, field leadership and verified close-out.
ISO 45001
Safety
Critical-risk controls and field verification.
ISO 9001
Quality
Inspection and test planning with full traceability.
ISO 14001
Environment
Measurable controls and compliance obligations.
Engage early. Create delivery certainty.
James Larkham
Australian Director
+61 499 995 665
james@civilmarine.com.au
Yulio Spadina
Regional Manager – NT, North QLD, WA & Pacific Islands
+61 439 003 633
Craig Andersen
International Managing Director
+64 21 811 143
craig@civilmarine.com.au


