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Barnageeragh 110kV GIS Substation & Grid Cable

Client Confidential Client

Start Date May 2020

Finish Date December 2021

Project Description

The Barnageeragh 110kV Station and Grid Route is a turnkey installation where Suir Engineering were appointed as the general contractor for the project. The remit from project inception was to assist our client in the following: 

  •  Pre-planning stage including management of 3rd party regulatory bodies such as Eirgrid, ESB, Planning authorities and utility providers. 
  • Early engagement on design and key deliverables allowing a collaborative approach to the Barnageeragh project. 
  • Value engineering at concept / basic engineering stage while adhering to asset management specifications.
  • Identification of grid routes through challenging areas (both industrial and public) with a high density of existing infrastructure.
  • Delivery within a timeframe to meet Data Centre customer requirements.

Suir Engineering Scope of Work 

Appointed as the General Contractor, Suir Engineering were responsible for all design, build and commissioning deliverables to the regulatory specifications. A turnkey multi-discipline installation including full civil, mechanical and electrical requirements has being delivered within the original timeframe and ahead of overall schedule. 


The scope of works includes:
  •  Site establishment and logistics including traffic management (including public highways).
  • Project Supervisor Construction Stage Role. (CDM)
  • Civil installation including groundworks, substructure and dual 110kV grid. installation within an urban / industrial environment.
  • CSA installation of multi-level steel superstructure, cladding and concrete 1st floor.
  • Electrical – LV / HV infrastructure and cabling.
  •  Equipment – supply and installation of GIS Switchgear and ancillary LCC panels. 
  • Supply and installation of 12.5km of 110kV cabling.
  • Control and Protection Installation. 
  • Mechanical installation for the station. 
  • Full commissioning and handover of the installation.