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

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Featured News

Irish Concrete Society 40th Annual Awards

Irish Concrete Society 40th Annual Awards

ByrneLooby Celebrates Highly Commended Award for  contribution to the Blanchardstown Regional Drainage Scheme


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

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Newark Waste & Water Improvement Project


It is proposed to upgrade and upsize the sewers beneath many of the roads in Newark and install a new 3.5m diameter 3km long sewer through the town that will allow the new system to discharge when it reaches capacity, without flooding local domestic properties. The new sewers have been constructed using TBM techniques, requiring deep launch and reception shafts. The deep circular shafts were constructed using secant piling techniques, with Murphy Ground Engineering Ltd. completing the piling works, with BNM Alliance responsible for the main works.


Our Role

ByrneLooby were tasked by our client Murphy Ground Engineering to carry out the design of the 16m and 21m deep circular shafts. We successfully developed efficient design solutions minimising temporary support requirements and we rationalised the TBM entry and exit solutions which included unreinforced soft-eyes braced with internal portals.

Our Role


As the 21m deep shaft was constructed in close proximity to two live Network Rail lines, detailed analyses were required to predict expected ground movements during the excavation and construction of the shaft. ByrneLooby collaborated closely with the overall works designers, GHD, to develop an early warning movement monitoring system to inform construction operations and thus mitigate the risk of ground movement occurring at the live Network Rail lines.