Road and Bridge Construction back to projects list »


N5 Realignment- Scramoge to Cloonmore

Realignment of 8km of the N5 National Primary Road between Scramoge and Cloonmore, County Roscommon. Principal elements included:

  • 8.3km of mainline construction
  • 2 river bridges
  • 1 rail bridge
  • 500 m of culverts
  • 600,000 m3 of earthworks including excavation of 350,000 m3 of peat
  • Installation of 120,000 m of vertical drainage
  • Construction of 40,000 m2 of a basal geo-cellular mattress with extensive soil instrumentation
  • Construction of 500 m long pile supported embankment consisting of 250 mm and 350 mm square precast concrete piles to a maximum depth of 13 m.
N5 Realignment- Scramoge to Cloonmore Project Team:
Client – Roscommon County Council
Engineer – McCarthy Acer Consultants Ltd.

Contract Value:
€20 Million

Construction Period:
28th August 2001 – 10th May 2004

Download Full Project Profile »