N4 Piling Realignment

N4 Soft Ground Improvements

The works were carried out on behalf of Leitrim County Council/National Roads Authority under the supervision of Mott MacDonald E.P.O as consulting Engineers.

The works were located on the N4 East of Carrick on Shannon near the junction of the N4 with the R201 at Gortinty. The works were to reconstruct a section of single carriageway road that traversed a section of soft ground with a thickness of up to 9m of peat and generally comprised of the following:

  • Installation of a piled Raft Foundation on a Geo-grid Mat
  • Flexible Pavement Construction
  • Utilities Diversion
  • Safety Fencing
  • Road Markings