Project Details

We’ve been lucky enough to work with some fantastic clients

Trago Mills, Merthyr Tydfil

Trago Mills, Merthyr Tydfil

Hayes Engineering was appointed as the sole structural fabrication and erection team for the 200,000 sqft, Trago Mills store, based on the outskirts of Merthyr Tydfil, South Wales.

The project, with its unique castle-like architecture, was a complex structure comprising of a warehouse, retail unit, two storey office building, shops, railway, security office, main entrance, café building, external walkways, workshop and offices.


Hayes Engineering was required to draft, fabricate, paint / galvanize and erect over 3000 tonnes of structural steel to plan, sequence and cost.

Stretching 1⁄2 mile long end-to-end, the structure provides 215,000m2 of retail space. The main retail unit and warehouse superstructure, comprised a single storey steel portal frame installed on a pad foundation with perimeter strip footing. The structure installed by Hayes Engineering provided full support for the lightweight roofing and cladding finish applied. Hayes Engineering had two erection teams on site for nearly 18 months, starting with the painted main portal building and finally finishing erection with the galvanized mansard walkways in March 2017.


The project achieved BIM level 2 using our Tekla BIM software. Models created with Tekla BIM software contain accurate, reliable and detailed information needed for successful

Building Information Modelling and construction execution.

Tekla structures has improved the way we work in our own offices and with our Clients by creating more accurate ways of working and streamlining collaboration between all parties, at all stages of the construction project Models were shared with all parties on the project team using 4Projects (online platform), for clash detection and comment. Through this collaborative approach the project was delivered to budget and programme, with coordination checks carried out at the earliest opportunity to mitigate time and cost inflation.

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