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Groynes

We are the UK’s specialist national contractor for earthmoving, crushing & recycling, and flood, coast & marine defence works.

Groynes

Stabilising sediment movement and reinforcing coastal resilience

Groynes play a vital role in shoreline management by interrupting longshore drift and retaining beach material. OEC constructs rock groynes that stabilise sediment movement and reinforce coastal resilience – maintaining the beach health and levels. 

Operating within tidal zones requires disciplined programming and specialist plant capable of low ground pressure operation. Our experienced teams manage tidal constraints, environmental regulations and live coastal conditions to deliver precise, durable structures. 

We sustain beaches by retaining sediment within the littoral system. We protect coastal assets by strengthening natural buffers. We enhance shoreline longevity by integrating groynes into broader coastal defence strategies. 

OEC delivers groyne construction that combines technical accuracy, environmental awareness and reliable plant support – ensuring long-term performance in dynamic coastal environments.

With a proud reputation for having one of the most modern fleets, OEC continues to invest in low-emission and hybrid plant to reduce environmental impact without compromising performance. Our fleet incorporates fuel-efficient, hybrid and Stage V compliant machinery, significantly lowering carbon emissions, fuel consumption and noise levels across operations. This allows us to operate more sustainably in sensitive coastal and urban environments, while maintaining the power, reliability and productivity required for demanding marine and earthmoving projects. 

Our expert operators, many with decades of coastal and marine experience, ensure consistent, reliable performance in complex and changeable environments. Their understanding of tidal conditions, ground stability and precise material placement is critical to maintaining safety, programme certainty and build quality where there is little margin for error.

Bournemouth

Wyre

Frequently Asked Questions

Need to know more?

OEC designs and constructs rock groynes to function within existing littoral transport systems, focusing on controlled interruption of longshore drift to achieve targeted sediment retention. Works are executed to specified crest levels, permeability requirements and hydraulic loading conditions to ensure predictable beach accretion and system stability.

OEC delivers groyne construction through staged placement of graded armourstone using low-ground-pressure plant and marine-access equipment. Operations are sequenced around tidal windows, with strict control of formation levels, toe protection and interlock geometry to meet design energy dissipation and stability criteria.

OEC integrates geotechnical assessment, coastal process awareness and environmental compliance into delivery planning. This includes working within designated tidal windows, maintaining sediment control measures, and ensuring alignment with coastal defence strategies and permitting requirements while maintaining structural integrity under dynamic loading conditions.

Let's work together

Whether you are planning an earthmoving project, need crushing and recycling support or require flood, coastal or marine defence expertise, our team is here to help. We bring experience, reliability and a collaborative approach to every site, helping projects move forward safely and efficiently.