JHK and Associates Pty Ltd
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    • About Us
    • Company History
    • Quality Policy Statement
    • Environmantal Policy Statement
  • Civil Engineering
    • Structures
    • Bridges and Culverts
    • Internal Roads, Carparks and Footpaths
  • Maritime Engineering
    • Boat Ramps
    • Jetties and Wharfs
    • Piles
    • Pontoons
    • Sea Walls
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Maritime Engineering

Sea Walls

Seawalls are coastal structures separating land and water, serving as a barrier against erosion and flooding on the shoreline. Accordingly, they protect land structures, promote individual safety, enable human habitation, and minimise environmental damage. ​

The development of Maritime Structures often is challenging as they must be designed to be functional with the effects of storms, waves, winds, currents and berthing energy. Sea Wall Designs are essential to the protection of structures from damage relating to wave and current forces from seas, rivers and other water courses. JHK have participated in projects covering aspects of Project management, inspection and certification, conceptual design, investigation and reporting, Contract Administration & Supervision, Concept Design, design development, detailed design, documentation, and construction procedure, inspection and certification of seawalls constructed of sandstone, stabilized engineered block walls, cantilevered RC walls and King Pile and RC panel systems, Investigation and preparation of condition survey for seawalls, Repair and demolition plans, Feasibility study for foreshore protection works and coast engineering design​​. In addition to Engineering Design Consultancy services, we also offer an extensive service in planning such as preparation of documentation for Permission to Lodge, Development Applications and Review of Environmental Factors, Contract Administration, Site Investigation and Design Reports and certification.
  • Design and Detailing
  • Risk Assessment/ Safety in Design 
  • Construction Drawings
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1. Client consultation, site measurements and review of potential criteria to categorise the sea walls.
2. Loading Assessment (AS4678-2002) environmental load assessment (AS 3962)
3. Review of geotechnical assessment reports to study founding soil medium and to determine support system.
4. Design of sea wall including footing for ultimate and serviceability criteria
5. Design of King pile and wall panel system.
​1. Preparation of Risk Assessment/ Safety in Design analysis and reports.
1. Seawall Layout, Typical Cross Sections of different types
2. Engineering Details of footings with reinforcement
3. Engineering details of King Piles, RC panels
4. Engineering details and spot levels for sub soil drainage and outlet pipes.​
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Related Projects


Repairs to existing Sandstone seawall to withstand ferry wash along waterfront at Kangaroo Point
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Concept and detailed design of seawall and feature steps at Putney park​​


Repairs to existing Sandstone seawall to withstand ferry wash along waterfront on Waruda Street, Kirribilli​


Seawalls for redevelopment of Davy Robinson Reserve boat ramp & Pontoon facility​


​Design of Seawall and associated pavements at 28 River St, Silverwater NSW 2128
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Reddall Reserve Boat Ramp reconstruction including Sea Wall​

​SYDNEY OFFICE
Phone: (02) 9158 5411
Email: [email protected]
Location: Unit F10, 101 Rookwood Road, Yagoona NSW 2199. Australia

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  • Home
  • About Us
    • About Us
    • Company History
    • Quality Policy Statement
    • Environmantal Policy Statement
  • Civil Engineering
    • Structures
    • Bridges and Culverts
    • Internal Roads, Carparks and Footpaths
  • Maritime Engineering
    • Boat Ramps
    • Jetties and Wharfs
    • Piles
    • Pontoons
    • Sea Walls
  • Our People
  • Contact