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Thornton Hall Access Road

The Thornton Access Road is the first phase of the Mountjoy Prison redevelopment. The construction of a new prison at Thornton will form a new facility to house all the occupants of Mountjoy prison. Located just off the old N2 national primary route, now the R132, the facility is serviced by a new access road connecting on to the R132.

The works comprised of the detailed design and project supervision of a new 1200 metre long access road, opti-cadre bridge overbridge and the upgrade of 700 metres of existing national road network. The works were carried out under the new GCCC design and build contract, whereby Clifton Scannell Emerson Associates (CSEA) acted as designers for SIAC Construction.

CSEA designed and supervised:

  • Earthworks
  • Drainage
  • Utilities, including rising mains and gravity sewers
  • Surface water swales
  • Pavements
  • Temporary Traffic Management
  • Bridge Works
  • Public lighting (New LED lighting systems)
  • Underpass standby and duty surface water pumps

CSEA carried out the following services:

  • Detailed Design in accordance with the D&B project specification
  • Preparation of the tender submission along with SIAC Construction
  • Project management, Resident Engineer and Duties of the Employers Representatives
  • Health and Safety duties and hand over.

The Thornton Access Road crossed two local authority jurisdictions being constructed in both the Meath and Fingal administrative area. Therefore CSEA were required to satisfy the requirement of both Authorities in addition to the sponsoring agency in the design of the works.