The Diel tunnel is designed as part of the modernization of the Púchov - Považská Bystrica railway line with a total length of 1082m. It passes through the massif of the Diel hill, which forms the central meander of the Váh in this section of the stream.
Doka elaborate a formwork solution for the two portals (east & west side) including the Tunnel System DokaCC and because of the complicated shape (collar) adapted Large-area formwork Top50 elements.
With the large drive-through access opening the site traffic was not obstructed during the entire workflow. A Doka Formwork Instructor were on-site to help with correct and time saving assembly.