Business Details
38 Years
experience
Trusted Engineering Solutions in Sydney
Established in 1988 as C W Henstock & Associates, our firm has built a legacy of excellence in civil, structural, and maritime engineering. In 2019, we transitioned under C W Henstock & Associates while retaining our experienced team and operational name CW Henstock and Associates. Our expertise spans waterfront developments, marina design, bridge construction, and coastal infrastructure, serving councils and private clients across Australia. We deliver end-to-end solutions from concept design to construction supervision, with a focus on innovation and technical precision.Our engineers hold chartered status and specialize in materials like reinforced concrete, structural steel, and timber. Notable projects include Sydney Harbour marinas, NSW boat ramps, and defence facility upgrades. We combine 30+ years of local knowledge with national project experience, offering tailored engineering assessments and remedial solutions for aging infrastructure. Our commitment to quality is evidenced by long-standing client relationships and adherence to rigorous engineering standards.
Services
Civil Engineering
Structural Design
Marina Development
Coastal Engineering
Remedial Works
Bridge Construction
Waterfront Design
Heritage Assessment
Defence Infrastructure
Boat Ramp Design
Details
- Year established: 1988
Highlights and features
- We offer 30+ years of specialist maritime engineering experience
- Our team includes NPER3 chartered structural engineers
- We've completed 100+ waterfront projects across Australia
- We provide full lifecycle project management from design to certification
- Our heritage structure remediation expertise preserves historic infrastructure
Services
Marina Development
Design and remediation of commercial and private marinas including floating pontoon systems, berthing arrangements, and wave attenuators. Our engineers ensure compliance with maritime safety standards while optimising functionality for vessel sizes up to 22 tonnes. We've upgraded facilities at Sydney Harbour, Norfolk Island and NSW coastal locations.
Heritage Remediation
Specialist assessment and restoration of historic waterfront structures using traditional materials and modern reinforcement techniques. We've preserved heritage elements at Walsh Bay Wharf and Sydney's Garden Island while ensuring structural integrity meets current engineering standards.
Coastal Engineering
Design of seawalls, revetments and coastal defence systems to withstand marine environments. Our solutions combine sandstone construction with reinforced concrete for locations like Spectacle Island and Garden Island, balancing erosion control with environmental considerations.
Bridge Construction
Engineering design and certification for prestressed concrete bridges including TAS Span Bridge maintenance works. We specialise in durable solutions for high-traffic and marine-exposed locations, incorporating load capacity assessments and long-term maintenance planning.
Boat Ramp Design
Public boat launching infrastructure design considering tidal variations and vessel sizes. We've delivered facilities at Greenwell Point and Prince Edward Park with accessible berthing pontoons, ensuring compliance with recreational boating regulations and safety standards.
People
Colin Wayne Henstock
Founder
Prominent maritime engineer with 30+ years' experience in coastal infrastructure. Established the firm in 1988 and pioneered innovative solutions for Sydney Harbour developments before retiring in 2019.
P Myooran
Engineering Design Manager
NPER3 Chartered Structural Engineer who led civil and maritime projects from 1998-2019. Specialised in structural audits for Hanson Materials and remedial works on defence facilities across Australia.
Questions
What engineering specialisations do you offer?
We specialise in civil, structural and maritime engineering with expertise in waterfront developments, bridge construction, and heritage structure remediation.
Which regions do you operate in?
We work across New South Wales, Victoria, Queensland and Western Australia with extensive experience in coastal environments.
Can you handle defence infrastructure projects?
Yes, we've completed multiple projects for Defence Estate Organisation including wharf upgrades and coastal facility maintenance.
Do you provide marina design services?
We design commercial and private marinas with experience in floating pontoon systems and berthing facilities.
What project management approach do you use?
We offer full lifecycle management from concept design through documentation to construction supervision and certification.
