Trelleborg supplies its sealing system for Midtown tunnel

Trelleborg supplies its sealing system for Midtown tunnel

Gina and Omega Seals for tunnels in USA

Trelleborg’s engineered products operation has broken into the American tunnel market with its range of high performance seals, for the construction of a second Midtown Tunnel on the Elizabeth River Tunnels project between Portsmouth and Norfolk, Virginia, U.S.

The Elizabeth River Tunnels project is a $2.1 billion Public Private Partnership (P3) project comprised of the Virginia Department of Transportation (VDOT) as infrastructure owner and Elizabeth River Crossings OpCo, LLC (ERC) as the private company financing, designing, operating and maintaining the project for a term of 58 years. ERC contracted with SKW Constructors, JV (SKW), as the design build contractor. SKW is a joint venture formed by Skanska, Kiewit and Weeks Marine. Parsons Brinckerhoff (PB) is the lead designer supporting SKW.

The immersed tunnel consists of 11 rectangular concrete tunnel elements, each of which has been fitted with Trelleborg’s Gina and Omega gaskets to prevent water ingress. Trelleborg was specified by Parsons Brinckerhoff, the lead designer on the Elizabeth River Tunnels project supporting SKW, the design build contractor due to the high stability, flexibility and low aging behavior of its seals.

Andre de Graaf, Sales Manager for Trelleborg’s engineered products, says: “Immersed tunnels are on the increase, especially in the U.S. where investment for infrastructure is growing. Our immersed tunnel seals are renowned and used globally on major tunnel projects. We’ve had considerable success in Europe and China and are very pleased to be specified in this U.S. project.”