N16 Drummahan Realignment

Advanced earthworks, realignment of an existing stream, installation of culverts and accommodation works.

Project Summary

Advanced earthworks, realignment of an existing stream, installation of culverts and accommodation works.

Project Detail

Adman were appointed by Leitrim County Council to undertake the advanced earthworks, realignment of an existing stream, design and installation of 3 no culverts and associated accommodation works for the realignment of a key section of the N16 national road in County Leitrim together with minor alterations to the L41382. The scheme, located approximately 10km west of Manorhamilton, consisted of the realignment of the N16 National Primary Route, from a tie-in point at Diffreen Bridge to a point 1550m west of the bridge.

The comprehensive scope of works on the project included:

  • Construction of bridges and culverts including 3 no. box culverts each measuring 2m x 2m with lengths ranging from 4m to 8m. Each culvert featured gabion basket wingwalls which formed part of the strengthened road embankment
  • Earthworks and formation of widened/strengthened embankments. This involved the excavation and disposal of c.10,000m3 of unacceptable material, importation of c.15,500m3 of Class 6C material & c.12,020m3 of Class 6F2 materials. Embankments were up to 4.5m high & formed to TII specifications with c.17,000m2 of Geotextile installed
  • Installation of permanent storm drainage, up to 450mm ID uPVC
  • Formation of 3 no. 8.00m x 20m settlement ponds
  • Full traffic management on the N16 National Road in accordance with Chapter 8

Client

Client Name to Go Here

Value

£XXm

Timeline

Xxxxxxxxx 2014 - Xxxxxxxxx 2019

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