Interxion, Ireland

Project Name

Interxion, Ireland



Main Contractor:



Ethos Engineering


Interxion Dub 3


Dublin, Ireland




Data Centres


Electrical Services and Instrumentation, Mechanical Piping & HVAC Services, and Off-Site Manufacturing


Kirby was responsible for the delivery of full MEP services for a new 4MW Tier III data centre facility in West Dublin. The project involved the construction of a single storey data centre with services above and plant at roof level, an ESB substation as well as a three-storey office block.

The project was fully coordinated through the implementation and use of BIM. The design teams delivered a level 2 model which Kirby developed and built to level 4. Kirby assisted the main contractor in the development and implementation of a BIM execution plan. The use of BIM enabled Kirby to manufacture all of the chilled water pipework and plant skids off-site, which then enabled Kirby to reduce the installation time on-site and ensured the construction program was achieved on time.


Kirby scope of works included the installation and commissioning of all electrical and mechanical services.

The electrical systems installed by Kirby included:

• MV Distribution
• LV Distribution
• Generator
• General and Emergency Lighting
• General Service Power
• Mechanical Plant Service Power
• Earthing and Bonding
• Voice and Data Distribution
• Lightning Protection
• PLC and Comap Control System

The mechanical systems installed by Kirby included:

• Chilled Water
• Supply and Extract Ventilation Distribution
• VRF Air Conditioning
• Server Room Air Conditioning
• Humidification Water
• RO Water
• Soils and Wastes
• Domestic Water Services

Installed electrical plant items included 1no incoming 10KV MC Set Switchboard, 1no 8MVA 20-10KV Isolation Transformer, 5 no 2MVA 10KV transformers, 2 no 10KV ZZ Transformers, 2 no 10KV NER’s, 2 no 2.2MVA 10KV Continuously Rated Generator Sets, 7 no 10KV Premset Ring Main MV Panels, 2 no 10KV Premset Main MV Panels, 2 no LV Critical Main Distribution Boards, 2 no LV Chiller Distribution Boards, 1no LV Load Bank Main Distribution Board, 1 no Main Office Distribution Board, 1 no LV Loadbank Connection Cabinet, 3 no LV No Break Sub-Distribution Boards, 7 no LV Short Break Sub-Distribution Boards, 11 no LV Power Distribution Boards (Critical Equipment), 6 no CRAC Distribution Boards.

Installed mechanical plant items included 2 no 1MW Dual Fed Uniflair Chillers, 2 no Adiabatic Dry Air Coolers, 4 no 30KW Primary Pumps, 6 no 3KW Circulation Pumps, 2 no Air Handling Units, 20 no CRAH Units, 2 no Pressurisation Units, 1 no Water Treatment system c/w, 2 no 1000lt Buffer Vessels, 2 no Heat Pump Systems, 5 no Dual Transformer Room Extract Fan Systems, 3 no Battery Room AC Systems.

The total project meterage consisted of 45,000m of cable, 5,000m of containment, 200 instruments and loops, 2000 I/O points; 1,500m of black utilities pipework, 80m of plastic piping, 250m of copper pipework, 316m of clean utilities pipework and 1,365m² of ductwork.

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