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Case Studies – Nucleus: The Nuclear and Caithness Archive

Client: Value: Duration: Services: Main Contractor: Consultant:
NDA Mechanical £3.2m
Electrical £2.7m
14 months Mechanical & Electrical Morrison Construction Arup

Job Description

Throughout this Project, G&A Barnie were responsible for procuring all materials for the Mechanical & Electrical installation using companies from our approved suppliers list. These materials specification sheets were submitted to the client team for approval prior to purchase.

Likewise, relevant sub-contractors were sourced and approved prior to works commencing. G&A Barnie liaised with the Client and co-ordinated the works of our subcontractors to ensure a smooth and successful flow of works. All GAB employees and Subcontractors have CSCS training certificates. All Mechanical works were installed and tested to the BSRIA and CIBSE standards. All Electrical works were installed and tested to the current industry standard BS7670:2008 AM3 2015.


  • Lightning Protection System all installed to BS EN 62305
  • Containment System
  • Sub-main System
  • Mains Distribution System Inclusive of 125A incoming CT Chamber & Busbar Link
  • Fire Alarm System installed to BS 5839-6:2013
  • Public Address / Voice Alarm System Utilised as the Building Evacuation System
  • Smoke Damper System
  • Aspirating Smoke Detection System
  • Gas Suppression System all installed to BS EN 15004-10:2008
  • Security System (Fully installed and Commissioned under Official Sensitive conditions)
  • Lighting Installation
  • Lighting Dali Control System
  • Small Power System
  • Full Test and Commissioning System inclusive of Test Packs for each discipline which are all witnessed and signed off by an independent commissioning engineer These Test packs include our own NIC-EIC Test Certificates
  • All Test packages and As-built information is available on the GAB portal This is used throughout the build to allow the client/project team access to all GAB drawings and information as required
  • Automatic Controls
  • Above Ground Drainage
  • Biomass Boilers
  • Chilled Water System
  • DX Cooling
  • Domestic Hot & Cold Water Systems
  • Gas Suppression
  • LTHW Systems
  • Ventilation & Natural Ventilation dampers & Grilles
  • Oil Boilers
  • Oil Supply Systems
  • Plantroom Installation
  • Rainwater Harvesting System
  • Rainwater Down Pipes
  • Rackrow Cooling
  • Sanitary Ware