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N18 Bunratty Pavement Rehabilitation Scheme

  • Project Type Roads / Bridges
  • Client National Roads Authority (NRA)
  • Company Involvement This Scheme was awarded to Colas Roadbridge JV as a works package part of the Motorway Maintenance and Renewals Network B Framework Contract. CRJV undertook the position of Main Contractor, PSDP and PSCS for the construction works. The works were carried out by Roadbridge.
  • Form of Contract Public Works Contract for Minor Works
  • Dates September 2013 - December 2013
  • Location Co. Clare, Ireland


Project was located adjacent to the heritage village of Bunratty and Bunratty castle environs (400,000 visitors per year) and within a proposed Natural Heritage Area and a Special Area of Conservation


Key Features

  • Contra-flow, traffic management and recovery service to National Primary Route N18 (32,500 AADT)
  • Reconstruction and overlay of existing 1.6km dual carriageway using lightweight fill material
  • 10,600 tonnes of bituminous pavement material (including 2,600 tonnes of SMA)
  • 29,023m2 of milling carried out
  • 2,400m3 of capping material and 1,318m3 of Cl.804
  • 7,500m3 of LECA Lightweight fill aggregate
  • 2km of filter drainage (225 - 375mm dia.)
  • 850m of four-way communications ducting
  • 7.5km of Line marking and installation of road studs
  • 2.5km of road restraint system, including wire rope
  • Emergency structural repair and waterproofing to existing underpass structure