Overview The Mater Misericordiae University Hospital is a charitable voluntary hospital and holds a unique place in the delivery of healthcare not only to the community of North Dublin but also to the rest of the country with its tertiary services. The Hospital was established in 1861 under the auspices of Catherine McAuley and the Sisters of Mercy. Designer Group carried out a number of mechanical and electrical refurbishment and extension works at the Mater Public Hospital. The scope of works included consultancy rooms, administration buildings, clinical environments and with respect to the A&E department all works were carried out in a live environment with minimised disruption to the planned operation of the department. The projects included the M&E work at the new Breast Check Clinic, the A&E department, level eight administration and consultancy rooms in the interface building linking the old and new hospital buildings.