Bam Nuttall contracted Shay Murtagh to work on the replacement of the LLandevenny bridge in Monmouthshire, Wales. The bridge in question required demolition and complete reconstruction as it was too low to provide sufficient clearance for the instalment of overhead lines, which would enable new electric trains to operate.
The bridge alongside a number of others overarch the Great Western Mainline, which is subject to electrification as part of the Railway Upgrade plan. This scheme aims to deliver improved, cheaper and environmentally-cleaner transport to the public.
The design principle was based on precast and the units were to be installed under a rail possession with minimal time constraints. For this project, Shay Murtagh combined the major structural components within the precast package, designing and procuring the steel element to produce a comprehensive solution.
The following units were manufactured:
- 4 Cill Beams
- 6 Parapet edge beams
- 3 deck infill slabs
- 6 Approach Walls
A trial erection took place at the factory in Raharney to ensure high quality standards had been achieved the requirements of the rail possession were met with both standard and specialist trailers. The completed three span bridge reached a total of 24.100m.
Thank you to Bam Nuttall and congratulations to everyone involved on the completion of another successful project.Gillian is the Marketing Director for Shay Murtagh Precast. The company's problem solving capacities allow us to give off site solutions to once insitu contracts which in turn speeds up project completion.
Working in conjunction with all divisions of the company she challenges industry norms in marketing.
Latest posts by Gillian Murtagh (see all)
Posted by Gillian Murtagh Posted on 15 Aug 2017
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