Engineering Support & Modification
Frankham provides comprehensive engineering services for the inspection, assessment, design, and modification of flood defence walls across riverine, estuarine, and coastal environments.
Inspection & Condition Surveys
Detailed structural inspections of tidal river walls, coastal defences, and integrated waterfront infrastructure.
Capacity Assessments
Rigorous structural analysis to determine the adequacy of existing walls under both current and projected future flood levels.
Upgrades & Strengthening
Expert engineering design for wall raising, structural strengthening, and necessary modifications.
Stakeholder Coordination
Managing technical liaison with the Environment Agency, local authorities, and other statutory stakeholders.

Supporting Waterfront Development
Flood defence infrastructure frequently dictates the viability and timeline of riverside or coastal developments. Regulators increasingly demand hard evidence that existing walls can continue to perform their flood protection function alongside new proposals.
We support clients through the complex planning process by providing the engineering analysis, design development, and technical documentation required to demonstrate absolute compliance. Whether you are integrating flood resilience measures into a new build or modifying a boundary river wall, we ensure your development meets all regulatory thresholds.

The Value of Early Engagement
Where sites are located near tidal rivers, estuaries, or coastal environments, late discovery of flood defence liabilities can derail a project.
By engaging our engineers early, we help you identify potential flood defence requirements before they become costly delays. Through early information review and rapid preliminary inspections, we help you understand the true condition of your existing infrastructure and establish appropriate, cost-effective intervention strategies from day one.
Our Maritime Engineering services
Our experience covers a wide range of maritime structures including jetties, piers, pontoons, dolphins, quay walls, wharves, marinas, docks, berths and mooring systems, together with river and coastal infrastructure such as sea walls, flood walls, locks and navigation structures. We also provide engineering services associated with fender systems, linkspans, brows and lighthouses.
Inspections
We undertake structural inspections of waterfront infrastructure to assess condition, identify defects and inform maintenance strategies.
Our inspections cover structures such as jetties, piers, quay walls, pontoons, dolphins, berths, moorings and coastal defence structures. Inspections identify deterioration mechanisms including corrosion, fatigue, scour, marine growth and impact damage.
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Structural Assessments
We undertake structural assessments of marine infrastructure to determine load-carrying capacity, structural behaviour and the suitability of assets for continued use.
Assessments consider structural loading from vessels, mooring forces, tidal and wave actions, environmental conditions and long-term deterioration.
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Flood Defence Walls
We provide inspection, assessment, design and modification of flood defence walls in riverine, estuarine and coastal environments.
Our experience includes tidal river walls in dense urban areas, coastal flood defences protecting waterfront developments, and river wall structures integrated with quays, embankments and transport infrastructure.
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Flood Risk Assessments
We undertake flood risk assessments for developments and infrastructure located within coastal, estuarine and riverside environments.
Our assessments consider flood risk associated with tidal, fluvial and coastal processes and support planning applications, development proposals and infrastructure resilience planning.
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Feasibility & Optioneering
We undertake feasibility studies and engineering optioneering to help clients determine the most appropriate intervention strategies for maritime infrastructure.
Our studies assess the structural condition of existing assets alongside operational requirements, environmental constraints, regulatory considerations, and long term asset objectives.
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Permits, Consenting & Licensing
At Frankham, we support clients through the process of obtaining the licences and permits required for works within marine, tidal and riverside environments.
Our team has experience coordinating with statutory bodies including Local Planning Authorities (LPA), the Marine Management Organisation (MMO), the Environment Agency (EA) and Local Harbour Authorities (LHA).
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Contract Administration & Site Supervision
We provide contract administration and site supervision services to support the delivery of maritime infrastructure projects during construction.
Our engineers work closely with contractors, asset owners and project stakeholders to ensure works are delivered in accordance with design intent, contractual requirements and relevant standards.
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Berthing Assessments & Mooring Analysis
We undertake feasibility studies and engineering optioneering to help clients determine the most appropriate intervention strategies for maritime infrastructure.
Our studies assess the structural condition of existing assets alongside operational requirements, environmental constraints, regulatory considerations, and long term asset objectives.

Meet our maritime engineering lead


