Project Overview


SWS Joint Venture

Construction Period

34 Months



Project Overview

This Project comprises the major earthworks for the construction of 25.5km of new dual carriageway between Dungiven and Drumahoe in Northern Ireland.

Wills Bros Civil Engineering Ltd were awarded a sub-contract for the site clearance, earthworks and sub-base placement on the scheme.

Key Numbers

  • 360 hectares of site clearance
  • Total Excavation – 3,500,000m3 comprising:
    • Acceptable Fill – 1,300,000m3
    • Topsoil – 430,000m3
    • Peat – 500,000m3
    • Unacceptable Material – 520,000m3
    • Rock – 750,000m3
  • Total Filing – 2,250,000m3
  • 200,000m of Vertical Drainage/Wick Drains
  • Placement of 115,000m3 of type 1 sub-base