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Coastal Engineering

Planning a project in a coastal area? We can assess your site and design marine structures that will withstand the elements.


Our coastal engineers have the knowledge and experience in coastlines all over New Zealand, with a particular focus on areas with a higher risk of tsunami and erosion, such as the East Coast and the Far North.

LDE has a strong interest and knowledge of specific demands posed by marine and coastal engineering. As engineering consultants, we provide specialist advice and design expertise to consider associated environmental challenges, impacts and degradation, such as waves, surges and saltwater. From structural assessments and remediation options to specialist pier, pontoon and seawall design, our experienced team can provide asset-specific recommendations.

If you would like to discuss how we can help, contact us!

See us for:

  • Coastal erosion assessments
  • Assessments of the effects of sea-level rise
  • Coastal protection structure design and remediation
  • Marina condition assessment and design
  • Wharf design, consents, and structural repairs
  • Coastal consent, including building and resource consents
  • Construction monitoring

Coastal Project Experience

  • Mahia East Coast Road Revetments
    Mahia East Coast Road Revetments
    Coastal Engineering
  • Sandspit Wharf Upgrade
    Sandspit Wharf Upgrade
    Coastal Engineering
  • Tolaga Bay, Hicks Bay and Tokomaru Bay Wharf Pile Inspections
    Tolaga Bay, Hicks Bay and Tokomaru Bay Wharf Pile Inspections
    Coastal Engineering
  • Blacks Beach Coastal Protection Structures
    Blacks Beach Coastal Protection Structures
    Coastal Engineering
  • Anaura Bay Coastal Revetment Structure
    Anaura Bay Coastal Revetment Structure
    Coastal Engineering
  • Auckland Ferry Terminal Piers Berthing Modification
    Auckland Ferry Terminal Piers Berthing Modification
    Coastal Engineering
  • Orakei Wharf Piles
    Orakei Wharf Piles
    Coastal Engineering
  • Westhaven Marina Pile Inspections
    Westhaven Marina Pile Inspections
    Coastal Engineering
Mahia East Coast Road Revetments
Location: Mahia Peninsula
Client: Wairoa District Council

Investigation and design of coastal revetment structures along the erosion affected section of coastline.

Categories :
Coastal Engineering
Sandspit Wharf Upgrade
Location: Sandspit, Mahurangi
Client: STF Ltd

Design of bollards and fenders for wharf.

Categories :
Coastal Engineering
Tolaga Bay, Hicks Bay and Tokomaru Bay Wharf Pile Inspections
Location: East Cape
Client: Gisborne District Council

Inspection of wharf piles and their integrity following Cyclone Pam.

Categories :
Coastal Engineering
Blacks Beach Coastal Protection Structures
Location: Blacks Beach, Wairoa
Client: Wairoa District Council

Design of 260m long coastal protection structure in high wave environment.

Categories :
Coastal Engineering
Anaura Bay Coastal Revetment Structure
Location: Anaura Bay, East Cape
Client: Gisborne District Council

Design a 200m long rock-lined coastal protection structure.

Categories :
Coastal Engineering
Auckland Ferry Terminal Piers Berthing Modification
Location: 89 Quay Street, Auckland
Client: Auckland City Council

Detailed design drawings for the ferry terminal berthing fenders and deck repairs.

Categories :
Coastal Engineering
Orakei Wharf Piles
Location: Orakei Wharf, Orakei Basin, Auckland
Client: STF Ltd

Wharf pile condition assessment and design recommendations.

Categories :
Coastal Engineering
Westhaven Marina Pile Inspections
Location: Westhaven Marina, Ponsonby, Auckland
Client: Auckland Waterfront Development Ltd

Piles assessment and design recommendations.

Categories :
Coastal Engineering

Ready to discuss your project? Talk to us on 0800 397 566 or contact your local office
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