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Doka’s SL1-Volto shortlisted for NCE Tunnelling Awards

People standing behind Doka's SL-1 Volto tunnel formwork solution

Formwork manufacturer Doka has been shortlisted for an NCE Tunnelling and Conference Award in recognition of the “efficient, time and cost-effective performance” of its SL-1 Volto tunnel solution.

Nominated in the ‘Innovation in Tunnel Design and Construction’ category following a presentation of its entry to the awards’ judging panel, Doka will join the other finalists at the Hilton Bankside, London on December 7th where the winners of each of the 16 categories that make up the awards will be announced.


The SL-1 Volto’s benchmark assembly and disassembly responds to industry calls for a forming system that reduces the need for costly, time-consuming design changes in tunnelling works.

Designed with an integrated, single-sided tunnel forming configuration, the steel-panelled unit’s patented adjustment means it can be easily adapted to meet evolving geometries, reducing the need for labour-intensive reassembly, replacement, or modification of individual sections.

Unlike many alternative systems, the SL-1 Volto does not require customized beams when adjusting to geometrical design requirements. This results in an application that can help improve a tunnel project’s cycle time and cost-effectivity, as well as its sustainability.

James Hurst, head of product and marketing at Doka in the UK, said: “This is fantastic news. The NCE Tunnelling Awards are revered throughout the construction sector. To be among the nominees for this year’s event is a real coup for us. We look forward to the finals evening in December and thank the judges for recognizing the SL-1 Volto system’s positive impact on the tunnelling industry.