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National Maternity Hospital, Holles Street
Client: National Maternity Hospital, Holles Street
Architect: Reddy O’Riordan Staehli Architects
Main Contractor: Clancy Construction
Service Engineer: J.V. Tierney & Co.


Provision of complete electrical services in the hospital’s new €6 Million Neonatal Intensive Care Unit which includes a central station for monitoring babies, vital equipment, dedicated isolation rooms and double clinical spaces around each incubator. The existing hospital remained in medical use throughout the construction period.

The building itself is a listed protected structure and the works required alterations to the existing building to facilitate interconnection to existing hospital services. We also completed new connections to existing mains electrical and communications services.

Electrical Installation included the following:

  • Mains LV Electrical connection and modifications to existing hospital Sub-Main Distribution Board
  • New Generator and oil tank installations
  • Uninterruptable Power Supply installations
  • Isolated Power Supply Installations
  • Distribution Boards, cableways and Cables
  • Cable Trunking, conduit and Tray
  • Sockets and Fixed Equipment wiring
  • Pendants, Earth bars and Cardiac Sockets
  • Mechanical Plant Rooms and Equipment wiring
  • Lighting and Emergency LightingInstallation
  • Fire Detection and Alarm installation
  • Telephone and Data installation
  • Nurse Call Systems installation
  • Security Systems, CCTV and Access Control installation
  • Intercom System installation
  • ELV connection to existing hospital TV Systems, Access Control Systems, BMS Systems, Security Systems, Baby Tagging Systems, CCTV systems, Data/Telecommunications systems, Nurse Call Systems and Fire Detection and Alarm systems


Client: National Maternity Hospital, Holles Street
Architect: Reddy O’Riordan Staehli Architects
Main Contractor: Clancy Construction
Service Engineer: John Sisk & Son

NMH New Theatre

The project comprised the construction of a two story extension, at third and fourth floor of the existing hospital building. We were responsible for the electrical services element of the Fit-Out works. The area included an operating theatre, anaesthetic room, and ancillary accommodation such as changing areas, waiting area etc. All services were required to be integrated into the existing systems in the hospital. Also the hospital remained fully functional for the duration of the works.

Electrical Installation included the following:

  • Cable Containment Installation
  • Distribution Board Installation
  • Sub Main Cable Installation
  • Lighting installation including Lighting Control System
  • General Service and Small Power Installation
  • Fire alarm Installation
  • Structured Cabling
  • CCTV Installation
  • Electrical Services to Mechanical Plant
  • Security Access system
  • Baby Tagging System
  • Bed Head Trunking


Client: National Maternity Hospital
Main Contractor: Vincent Doherty Ltd.
Service Engineer: Varming Consulting Engineers

Electrical Services Renewal

Vincent Doherty Ltd. completed the electrical services upgrade at the National Maternity Hospital, Holles Street. This involved carrying out the rewiring within a busy hospital and ensuring as little disruption as possible took place during the course of the works. Here we covered all the relevant elements associated with this project ie. working within a ‘live’ acute hospital environment, working with specialist integrated systems including disabled persons alarm, data, PABX, UPS, emergency lighting, fire alarm, access control, CCTV and Security, Nurse Call System, Medical Gases and UPS.

At all times strict procedures regarding health and safety, waste management, dust control and security were adhered to.

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