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Demystifying Data Centre Commissioning

Charlotte Clarke our consultant managing the role
Published on 3 January 2025

Data centres are the backbone of the digital age, housing critical IT infrastructure that powers everything from online banking to social media. In 2017, the data centre market was worth $273 billion and is projected to reach $624 billion in 2029. Ensuring these facilities operate reliably and efficiently is paramount, and that's where commissioning comes in. We dive into the real-world practices of data centre commissioning, moving beyond simplified explanations to provide a more accurate and nuanced understanding.


What is Data Centre Commissioning?

Data centre commissioning is a systematic quality assurance process that verifies and documents that all building systems (mechanical, electrical, plumbing, fire protection, and IT) perform in accordance with the design intent, the owner's project requirements (OPR), and relevant industry standards. It is a comprehensive process that spans the entire project lifecycle, from initial planning to ongoing operation.


The Commissioning Process: A Detailed Breakdown

The commissioning process is typically structured into distinct phases or levels, although in practice, there can be overlap and iteration between them:

 

Pre-Design/Planning Phase: This initial phase establishes the project's foundation. The OPR is developed, defining the data centre's purpose, performance objectives (e.g., uptime, Power Usage Effectiveness (PUE)), and budget. Early engagement of a qualified commissioning agent is highly recommended. Activities in this phase include:

·       Development of the OPR, a document that clearly articulates the owner's needs and expectations for the data centre.

·       Establishment of the Basis of Design (BOD), which translates the OPR into specific design criteria.

·       Definition of the commissioning scope, outlining the systems and equipment to be commissioned.

·       Development of the commissioning budget and schedule.

·       Selection of the commissioning team, including the commissioning agent and other key stakeholders.

Design Phase: During this phase, the design team develops detailed plans and specifications. The commissioning agent reviews these documents to ensure compliance with the OPR and identifies potential design or constructability issues. Key activities include:

·       Design reviews conducted by the commissioning agent to verify compliance with the OPR and relevant standards.

·       Development of the commissioning plan, which outlines the testing procedures, acceptance criteria, and documentation requirements.

·       Coordination with the design team to resolve any identified issues and ensure design intent is maintained.

 

Pre-Construction Phase: This phase involves the physical construction and installation of the data centre systems. The commissioning agent plays a crucial role in overseeing the installation process and conducting various tests:

·       Factory Acceptance Testing (FAT): Witnessing tests performed at the manufacturer's facility to verify equipment performance before shipment. This is particularly important for critical equipment such as generators, UPS systems, and chillers.

·       Site Acceptance Testing (SAT): Performing tests on-site after equipment delivery and installation to ensure proper functionality within the data centre environment.

·       Pre-Functional Testing (PFT): Verifying the individual components and sub-systems before system energization.

·       Functional Testing (FT): Testing the integrated systems under various operating conditions to verify performance and compliance with the OPR.

·       Integrated Systems Testing (IST): Testing all systems together to verify their interoperability and overall performance as a complete integrated system. This is the most comprehensive and critical testing stage.

 

Acceptance Phase: This phase focuses on formal documentation of test results, verification of compliance with the OPR, and formal acceptance of the data centre by the owner.

 

Occupancy/Operations Phase: This phase involves training data centre operators on system operation and maintenance. This includes:

·       Development and delivery of Operations and Maintenance (O&M) manuals.

·       Post-occupancy reviews to identify any operational issues and optimise system performance.

 

Warranty Phase: During the warranty period, system performance is monitored to identify and address any defects or issues covered by the warranty.

 

Ongoing Commissioning (OCx): This continuous process involves regular monitoring, testing, and optimisation of data centre systems to maintain optimal performance, energy efficiency, and adaptability to changing needs.


Tagging Systems and Documentation

While coloured tagging systems can be used for visual tracking, comprehensive documentation is the core of the commissioning process. This includes test procedures, test results, checklists, and other records that provide evidence of compliance with the OPR.

 

Real-World Considerations

Selecting a qualified and experienced commissioning agent is essential for project success. Certifications such as those offered by the Building Commissioning Association (BCA) and other recognised organisations are valuable indicators of expertise. Effective communication and collaboration among all stakeholders (owner, design team, contractors, commissioning agent) are crucial for a successful commissioning process. A final consideration as a commissioning manager is to ensure adequate budget and schedule allocation for commissioning activities which is essential for completing the process effectively.

 

Exploring Career Opportunities

The increasing demand for reliable data centre infrastructure has created numerous opportunities in data centre commissioning jobs. These roles require a strong understanding of data centre systems, testing methodologies, and project management principles. Data centre commissioning jobs offer challenging and rewarding career paths for individuals with technical expertise and a commitment to quality. These roles require a deep understanding of complex systems and a meticulous approach to testing and verification.

 

Here at QCS Staffing we offer an array of commissioning jobs within the data centre industry as well as an array of data centre roles