Main Contractor: Mace Technology Limited
Client: Private
Architect: Cundall
Structural Engineer: Cundall


Following on from successfully completing the works for
Phase 1 and Phase 2, J Coffey was appointed to carry out
further works for Phase 3 of the programme to further expand
the Data Centre in Clonee, County Meath, Ireland.
Phase 3 consisted of a single bar data hall building with
associated distribution and administration space. 28,320 sqm.
The Data Centre will continue to be one of the most advanced,
energy efficient data centres in the world and will be supported
by 100% renewable energy.
A comprehensive approach to sustainable design and
construction, including energy and water conservation,
responsible material sourcing and waste reduction, helped the
existing buildings at Clonee earn LEED Gold certification and
win Ireland’s Green Construction Award.
J Coffey Construction were appointed to carry out the
following works:
• Bulk excavation quantities of approximately 280,000m³
of excavations and 170,000m³ of fill;
• Concrete foundations, footings and precast units to Data
• Associated services including; Foul/surface drainage
systems, attenuation ponds/tanks, rising mains
• 110km of ducting including fibre, security, public lighting,
LV and MV ducting Groundworks Package
• 3km of 355mm watermain Groundworks Package
• 29,000 m2 FM2 and FM3
• 10,000m² of Concrete Generator yard slabs
• Design & Build of all precast units; 130nr utility chambers
& circa 2km of precast beams to building
• Road paved works of 18,000m²
• Hard landscaping pavements 12,000m²