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Silvertown Tunnel London UK

Silvertown Tunnel
One of the largest engineering projects in the world.

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International Award-Winning Engineering Consultants who deliver ground breaking solutions at the forefront of industry best practice.

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Ayesa is committed to becoming a net zero engineering consultancy by 2040

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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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North East Roscommon Water Supply Scheme

NE Roscommon Water Supply Scheme

The Northeast Roscommon and Ballyleague Regional Water Supply Scheme serves a population of approximately 8,500 people in County Roscommon, Ireland. The old scheme was on the remedial action list (RAL), with cryptosporidium detected in the water supply and consumers having to boil water before consumption and food preparation. A new scheme was necessary to ensure drinking water in the region met all EU and Irish Water regulations. Irish Water and Roscommon County Council invested 7 million euros in the new regional water supply scheme, including designing and constructing a new water treatment plant with 6MLD capacity, adding a new abstraction from a lake source, a transfer pumping station, ancillary works and associated pipelines. The upgraded water supply ensures that 8,500 water consumers in the North Roscommon water supply area have a safe, sustainable water supply and removes the scheme from the Remedial Action List (RAL).

NE Roscommon Water Supply Scheme

Our Role


Ayesa worked with Irish Water to fast-track the tender process to bring the project to site as a matter of urgency. While the new plant was being constructed, a temporary water treatment plant which included a filtration and UV treatment system at the adjacent Lisheen lake was installed to improve drinking water for consumers in the interim. Our water team acted as the employer's representative/PSDP to perform duties connected with the specimen design and contract administration of the new 6Ml/d capacity water treatment plant. The plant was procured under the Irish Water amended FIDIC Gold DBO Contract. Ayesa was responsible for delivering all Civil and MEICA specimen design, procurement and construction supervision for the new water treatment plant, including a new abstraction source and the associated transfer pumping station.

Under our duties and responsibilities, we fast-tracked the project specimen design and tender process in line with programme requirements. Our proactive approach and experience met the client's accelerated programme and was delivered on time. The scheme benefits 8,500 water consumers by removing boil water notices and reducing THM's, (Trihalomethanes) through a coagulation treatment process and ensures a safe, sustainable water supply into the future.

NE Roscommon Water Supply Scheme 2

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