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M7 Heath Mayfield Motorway Scheme

  • Project Type Roads/Bridges
  • Client Kildare County Council
  • Company Involvement The M7 Heath Mayfield Scheme was the largest Design & Build motorway project in Ireland. The contract was awarded under the National Development Plan 2000-2006. It was awarded to the Roadbridge/Sisk JV in February 2003.
  • Form of Contract Design & Build
  • Dates April 2003- October 2005
  • Location Co. Kildare, Ireland
  • Value €82 Million


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This contract comprised of site clearance, fencing, drainage, earthworks, pavement construction, accommodation works and other ancillary works. The road scheme comprised 17.5km of 2-lane motorway together with one full grade separated interchange and two partially constructed grade separated interchanges and local roads.


Key Features

  • Principal quantities comprised:
  • 1, 600,000m³ excavations
  • 91,000 lin.m of drainage
  • 400,000m² of road surfacing
  • Structures Included
  • 2 No. Underpasses
  • 6 No. Under bridges
  • 1 No. River bridges
  • 1 No. Canal bridge