Roadbridge Ltd. +353 (0)61 414 874 Crossagalla, Ballysimon Road, [email protected] Limerick, V94 X2E1, Ireland roadbridge.ie Project Title Limerick Southern Ring Road Phase 2 (Limerick Tunnel) Project Type Project Description Roads / Bridges This contract comprises the following: » 9.8km two-lane Dual Carriageway Client » 2.3km single lane Dual Carriageway National Roads Authority » 4 no. Grade Separated Interchanges » 675m immersed tube tunnel under the River Company Involvement Shannon The Limerick Tunnel PPP Project was awarded to » 750m Causeway across Bunlicky Lake the Direct Route Consortium in August 2006. » 6 no. Underpasses and 8 no. Culverts Roadbridge is a member of this consortium and » 11 no. Bridges successfully completed works to the value of » 2 no. Toll Plazas and associated facilities €125m as a partner subcontractor. The project included the main tunnel crossing of the Form of Contract River Shannon, a Special Area of Conservation (SAC) Public Private Partnership (PPP) designated under the EU Habitats Directive. The southern approach to the tunnel passed through Dates Bunlicky Lake, a Natural Heritage Area (NHA). In August 2006 - September 2010 addition the scheme, traversed through the Lower Shannon Special Protection Area including Cratloe, Location Meelick and Ballinacurra Creeks (SPA) designated under the EU Birds Directive. Limerick, Ireland The tunnel is an immersed tube tunnel measuring 675m in length. The tube consists of two bores, for Value Southbound and Northbound traffic. Five tunnel units €400 Million were cast, floated out and sunk into a pre-dredged channel. The tunnel is completed by cut and covers sections at each end and approach ramps. Roadbridge Ltd. +353 (0)61 414 874 Crossagalla, Ballysimon Road, [email protected] Limerick, V94 X2E1, Ireland roadbridge.ie .