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CASE STUDY
Ground Supported (GS) Hot and Cold Aisle Containment Ardmac ground supported, structural HAC (Hot Aisle Containment) assembly
Client:
Confidential Vienna, Austria Hyper Scale
Location:
Project Size:
As part of our data centre design strategy, hot and cold aisle containment (HAC) solutions are among the most effective for cooling efficiency and Power Usage Effectiveness (PUE). These systems separate hot exhaust air from cold supply air by enclosing the space between server racks. Ardmac offers Ground Supported (GS) and Ceiling Supported (CS) assemblies tailored to modular and off-site construction needs. Our standardised solutions are high-performing, scalable, and integrate seamlessly with server and cabling infrastructure. We also provide customised options to meet specific project requirements for structure, aesthetics, access control, and service integration. Aisle containment systems must integrate electrical and mechanical services, requiring early collaboration. With Early Contractor Involvement (ECI), we can design and assemble fully equipped HAC units off-site, enhancing programme speed and construction quality through Design for Manufacture and Assembly/Disassembly (DfMA). Using 3D models, components are classified, quantified, and transferred to manufacturing systems with trackable accuracy. LOD500-level detail ensures parts are pre- fabricated for efficient, low-waste assembly. This approach has delivered successful outcomes for major clients worldwide. A recent case study in Austria highlights the use of Ardmac’s ground-supported HAC system, built to transfer service loads to floor slabs, eliminating ceiling suspension.
Our team conducted architectural and structural assessments to meet client needs for spans, tolerances, and finishes. The resulting structure, co-designed with M&E partners, included integrated access control and a walk-on ceiling system supported by beams spanning HAC units. These beams carried both ceiling and service loads. Design input is most valuable during the ECI phase, where Ardmac supports clients in identifying off-site opportunities and achieving high Pre-Manufactured Value (PMV). Our BIM Level 2 certified processes and model libraries streamline coordination with manufacturing and supply chain partners. Products are manufactured under ISO 14001:2015 standards, using sustainable, recyclable components and LEAN methods. Scalable HAC units are designed to fit varied room modules, with zero waste from LOD500 precision. Structurally, the system includes main beams for ceiling and services, cantilevered arms for support, and cross-bracing for stability. Assemblies are available as 3D modules or flat-pack formats to suit site conditions. Off-site prefabrication minimises site labour, waste, and risk, with this project achieving significant time savings thanks to detailed design and DfMA planning.
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