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N5 Ballaghderreen to Scramoge

  • Project Type Roads / Bridges
  • Client Roscommon County Council
  • Company Involvement Design and Build Contractor
  • Form of Contract Public Works Contract for Civil Engineering Works designed by the Contractor (PW-CF4)
  • Dates July 2021 - ongoing
  • Location Co. Roscommon, Ireland

This Project comprises the design and construction of the following :-

Key Features

  • 34km of National Primary Road to Type 1 Single Carriageway standard
  • 16km of realignment of existing National, Regional and Local roads
  • 5 no. Roundabouts; 16 no. 'T' junctions
  • Structures: 1 No. road overbridge, 3 no. road underbridge, 4 no. river bridges, 9 No. accommodation underpasses; 7 No. significant culverts, 2 No. Gantry bases, 3 No. Retaining Walls & 8 No. Environmental Barriers
  • Principal quantities comprised: 5,793,000m3 bilk excavation; 1,170,659m3 rock excavation; 615,486m2 road surfacing
  • Extensive earthworks in low plasticity index glacial tills, including excavation of peat and unacceptable material, excavation and processing of earthworks in karst ground conditions
  • Various drainage works including the provision of attenuation ponds and wetlands
  • Various Authority and Utility diversions including the diversion of electricity, eir and water
  • Various accommodation works and ancillary side roads, domestic and agricultural accesses