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Silvertown Tunnel London UK

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On 19th October 2023, ByrneLooby will rebrand to Ayesa

ByrneLooby will officially adopt the name of its parent company, Ayesa, a global engineering and technology services provider.

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Greenore Port Development

Greenore Port Development

Described by An Bord Pleanála (Irish planning authority), as one of Ireland’s “critical infrastructure assets,” Greenore’s location by the Dublin- Belfast economic corridor and just 15km from the M1 motorway means the port can serve as a dual gateway to both Ireland and the UK. The port provides marine and logistical support services across various industries such as agri-feed, construction, renewable energy, livestock exports and manufacturing. In 2015, the port owners, Doyle Shipping Group’s (DSG) strategic development plan outlined the requirement to improve existing port infrastructure. This expansion included an extensive port dredging project to make the port accessible to 10-metre draft vessels and an upgrade to the existing quay wall and landside facilities, including livestock areas. In 2015, (DSG) commenced the €12M port improvements enabling Greenore to compete with other major Irish ports as the Republic’s only deep-water port outside of Dublin Port on the East Coast of Ireland. 


DSG appointed Ayesa to provide a range of engineering consultancy services which included the outline design and to manage the procurement and construction phases. Our marine engineers provided the preliminary design of a new 140-metre quay wall and quay deck, site and deck infrastructure and supervised the significant dredging of the berth basin to -7.5m CD (chart datum). The design enabled increased dredge depths and berth pockets, and upgraded landside infrastructure, vastly improving port facilities for customers. Our services included engineering design, procurement support and contractor administration. Our team secured the necessary statutory consents (planning & foreshore), managed the tendering and procurement of a contractor, negotiated contracts, provided IFC drawings, independent CAT III analysis and supervised construction to deliver quality and safety assurances.

As project managers at each phase, we delivered high quality and durable solution with an emphasis on value throughout the project lifecycle. We acted as the Employer’s Representative and coordinated the Project Supervisor Design Phase (PSDP). Our environmental team conducted the ecological and environmental reporting for Special Areas of Conservation and Special Protected Areas (SAC/SPA) to ensure compliance with foreshore licence conditions.

Greenore Port Development

Our Role

While focused on developing a commercially successful outcome for DSG, we also had to be conscious of the sensitive environmental area of the port, located close to areas of natural beauty including the Cooley Peninsula and Carlingford Lough. Our environmental team delivered the Special Protection Area (SPA) and the SAC (Special Area of Conservation) reporting, during construction work and dredging, ensuring compliance with foreshore licence conditions.

The port needed to remain fully operational throughout the works, therefore our teams maintained close liaison with the Harbour Master at all times. Our team also took any concerns of the local community and businesses on board during all phases.

Our Role
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Contractor and Construction Supervision: Appointed from the outset of the project, our marine team managed procurement and construction on behalf of the client, ensuring that value was added and provided the most informed expertise at every stage to Greenore Port. Ayesa supported Doyle Shipping Group through all phases to ensure that the project progresses in the client’s best interest.

Delivery on Time: To expedite and deliver the commencement of works, we project managed and co-ordinated the Project Supervisor’s Design phase (PSDP) of the enabling works, including decommissioning the existing 200-ton gantry crane.

Safe Disposal of Dredge Material: Pivotal to the project’s success was the compliance with the foreshore conditions for the safe disposal of some 21,000m3 of classified dredge material (European waste code: EWC 17 05 06). To ensure there were no issues, we managed the entire process, supervised construction and provided environmental supervision of the dredge bund required for the dewatering and segregation of the dredge material.

Resilience and Value-Engineering: We implemented value engineering solutions, which significantly improved construction efficiency for programme surety, safety and cost. The existing port pavement subgrade (i.e., the material underneath) was a reclaimed material with Low Young’s modulus, meaning its shape can change considerably. Our team recommended digging up the subgrade material and replacing it with a value-engineered pavement quality concrete solution which overcame the predicted settlements for operational tolerances. The new pavement quality concrete design provided significant cost savings and had future operational advantages for the client.

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