Millennium Electrical

Millennium was trusted by Spark to lead out a specialised design and build for a high profile international client. Millennium, as Head Contractor, managed a highly motivated team to deliver this build. This involved not only the build of a 276kW Data Hall space, but to also increase the capacity and resilience of the overall site to meet Spark’s ever increasing need of new capacity. This included replacing existing aged infrastructure such as major UPS systems, main switch boards, new transformers and a new generator that is servicing the live critical Telecommunications network.

The Millennium team had a number of hurdles to work through including spatial management of the data hall, fitting the new assets into the existing power room spaces, a very tight project deadline, ensuring through the duty of care that Spark’s customers maintained full service and all while dealing with the NZ Government imposed Covid-19 lock downs. The fully consented build was delivered on time and to the set project budgets.

Millennium led and managed a team of carefully put together sub-contractors to complete the builders’ aspects, architecture, building consent, mechanical services, fire suppression systems and BMS Controls systems. The project required us to liaise with Spark’s external consultancy who acted as the overall Project Manager and Engineer to Contract.

Key Information:

Project Title Telco Data Centre
Project Type Telco
Role in Project Design and Build. Electrical Design, Head Contractor, Electrical Contracting and Project Management
Client Spark New Zealand

Project Size

22t

Structural Steel

6000m

Copper Power Conductors

4MW

Transformers Installed

1.4MW

UPS Installed

21.6t

Battery Capacity

375kW

Cooling Capacity

304

3 Phase 15kW Power Outlets

Complexity Managed

Millennium managed this project through its team of professional designers and project managers. The larger overall project was split into smaller phases of works to ensure very carefully staged work plans were implemented. The over-arching aspect was to protect the nation’s Telecommunication Network during the build phases to ensure no network loss was experienced for Spark Customers.

At times the installation needed to be integrated with existing services by means of very large cable pathways through existing critical environment switch rooms. This was implemented successfully to meet the needs of seismic IL4 requirements.

Project Outcomes

The project was delivered on time and to Spark’s Budget. The site now has additional layers of resilience to ensure the Spark Network has very high levels of protections in place. There is also now the ability to provide concurrent maintainability to power systems which didn’t exist before. This enables Spark to perform successful maintenance services without network losses. The Data Hall space has been delivered on time for Spark’s Customer.

As a result there is an ongoing programme of works for this site to keep adding capacity and site improvements to upgrade aged assets. Spark will continue to have a fully resilient functioning building delivering high quality telecommunication services.

Millennium have worked closely with Spark to solution for growth and lifecycle of assets not only in the LV/HV environment but across our other engineering disciplines. The recent upgrades have been incredibly successful and spark is very happy with the product. The retrofit of spark facilities can often come with many complex problems which millennium was able to seamlessly design and solution for while meeting tight timeframes for delivery. We continue to be impressed with their high standards in delivering on effective solutions in complex environments. The whole team, but especially Shane, Mike and Caleb are a pleasure to deal with and will continue to be significant contributors to spark infrastructure development.

Alex Corbet, Critical Environments Operations Manager, Spark New Zealand
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