Case Studies

Ronald McDonald House

TEAM

Civil and Structural Engineering

Sector

Services Provided

Structural Engineering, Fire Safety, PSDP, Ancillary Certifier

Overview of service

The Ronald McDonald House project, delivered as part of the wider National Children’s Hospital (NCH) campus, was a significant addition to Ireland’s acute healthcare infrastructure.

Situated adjacent to the main hospital, the multi-storey accommodation facility was designed to provide essential support for families of children undergoing treatment. The design and build team was led by Clancy Construction, with ORS engaged as Civil and Structural Designers, Ancillary Certifiers, Project Supervisor Design Process (PSDP), and Fire Safety Consultants.

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Farran Mullingar
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Project Outcome

The development involved integrating a new multi-storey structure with an existing basement forming part of the NCH campus. Our engineering team undertook a detailed structural assessment to validate load capacity, coordinate interface details, and ensure compatibility between the new superstructure and the underlying podium.

Light Gauge Steel (LGS) construction was selected to minimise additional loading while delivering the required architectural, acoustic, and fire performance standards. Hot-rolled steel transfer elements were incorporated where needed to maintain structural stability and effective load distribution.

Working within a constrained, live hospital environment required comprehensive planning. Off-site fabrication of LGS components reduced site activity and disruption, while ongoing collaboration with Clancy Construction and hospital facilities teams ensured safe access and continuity of clinical operations. As PSDP, we developed the Construction Stage Safety and Health Plan, incorporating hospital-specific requirements such as infection control, emergency access, and circulation management.

Our responsibilities also included Fire Safety Consultancy and Ancillary Certification under BCAR. This required rigorous design assurance procedures, extensive documentation, and close liaison with statutory authorities. A performance-based fire strategy was devised to meet functional fire safety requirements within this highly complex healthcare setting.

Group 4987
AK
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Challenges & Solutions

The Ronald McDonald House project presented a series of engineering, logistical, and safety-related challenges, each requiring tailored solutions. Constructing a new accommodation building directly over an existing basement podium demanded precise coordination of loading paths, connection details, and structural tolerances. This was addressed through a comprehensive structural assessment and the adoption of a lightweight LGS superstructure, significantly reducing additional loads and avoiding the need for major strengthening works.

The use of LGS in a multi-storey application introduced further complexities relating to stability, service integration, and fire and acoustic performance. These were resolved through a robust framing strategy supported by hot-rolled transfer elements, combined with detailed BIM coordination to ensure seamless alignment with M&E services, fire stopping systems, and architectural finishes.

The constrained city-centre location, situated within a live acute hospital campus, posed challenges in relation to access, noise, safety, and construction staging. Off-site fabrication of LGS components, along with carefully developed logistics and temporary works plans, allowed construction to progress with minimal disruption to hospital operations. As PSDP, we implemented stringent coordination procedures and chaired safety design meetings to ensure full compliance with hospital-specific requirements, including infection control and emergency access planning.

Finally, the need for rigorous certification under BCAR, paired with the integration of structural and fire safety systems within an existing healthcare estate, required a high standard of documentation and assurance. Our engineers delivered comprehensive certification support and developed a performance-based fire safety solution, ensuring full regulatory compliance and seamless approval by statutory authorities.

The Ronald McDonald House project stands as a clear demonstration of our ability to deliver technically robust, multidisciplinary engineering solutions in complex, live, and safety-critical environments. Through innovative use of Light Gauge Steel, careful management of structural interfaces, strong PSDP leadership, and meticulous design assurance under BCAR, we played a central role in delivering a facility that will provide vital support to families during some of their most challenging moments. The project further reinforces our commitment to engineering excellence, collaboration, and safety in the delivery of essential healthcare infrastructure.

Civil and Structural Leads

Key Contacts

  • David McCormack 1
    Group 8501 2
    View Bio
    David McCormack

    Director

  • Mark Heslin Civil Structural Lead
    Group 8501 2
    View Bio
    Mark Heslin

    Associate and Civil & Structural Engineering Lead

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