Construction work for highways, roads. Dual carriageway construction work. Works for complete or part construction and civil engineering work. Engineering works and construction works. Excavating and earthmoving work. Road bridge construction work. Various surface works. Sewer construction work. The objective of this contract is to construct a dual carriageway from Randalstown to Toome and from Toome to Castledawson to provide a dual carriageway standard road between the western end of the M22 Motorway at Randalstown and the Castledawson Roundabout.