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Multidisciplinary teams comprising of specialists across ten industry sectors, we have the expertise necessary to grapple with challenging assignments.

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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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Our Commitment to Net Zero
Ayesa is committed to becoming a net zero engineering consultancy by 2040

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Featured News

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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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Cultivating a culture in which individual differences and the contributions of our staff are recognised and valued.

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Fostering a culture where you are encouraged to be yourself.

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Multidisciplinary team comprising of specialists across Ireland, UK and the Middle East.

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Whinney Hill Landfill

Whinney Hill Landfill

Whinney Hill Landfill is a major regional waste facility, previously operated by the local council and is now managed by SUEZ, one of the UK’s leading waste management utilities. It is 45-metre-deep former hard rock quarry with over 15 million m³ of void space and is being restored by infilling with non-hazardous wastes. Since taking over the site over 25 years ago, SUEZ have progressed landfilling operations in a series of new engineered containment cells constructed with composite mineral and geosynthetic liners. They have also installed extensive surface water, leachate and landfill gas management infrastructure, including leachate treatment and landfill gas utilisation systems.

Whinney Hill Landfill

Our Role

The Ayesa team has been providing construction support to SUEZ at this site for over 20 years.

We have been contracted to project manage the construction of multiple new landfill cells, a 40 metre high separation bund, over 15 hectares of capping works, surface water management systems and leachate management systems. The landfill is lined with a composite mineral clay / GCL / HPDE liner and a basal leachate drainage and collection system.

For each new cell construction and post infill capping contract we have assisted the operator to procure the contract and supervised the works. This starts with the detailed design, securing approval from the regulator (UK Environment Agency), preparing the contract specification and issuing the tender pack to contactors. We then supported our client through the tender evaluation process, contractor appointment, management of the contract works and by providing site-based supervision of the works. On completion of the works, we provided the regulator with the necessary CQA verification reports.

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