Global Switch Woodlands Data Centre, Singapore

Aurecon uses prefabricated mechanical and electrical modular techniques for the first time in Singapore

Designed to achieve Leadership in Energy and Environmental Design (LEED) Gold and Green Mark Platinum ratings, Global Switch Singapore Woodlands Data Centre is the first project in Singapore to use prefabricated mechanical, electrical and plumbing (MEP) modular techniques on a large scale.

With the objective of delivering a highly resilient data centre environment, Aurecon was contracted to provide mechanical and electrical engineering services to the design and construct (D&C) contractor, Gammon. This newest data centre in Singapore now allows scalable and flexible solutions supported by numerous connectivity options.

The 25 000 m² Woodlands Data Centre is strategically located in the north of the island and physically distanced from Global Switch’s existing Tai Seng Data Centre, to meet dual occupancy demand. It is spread over six levels and has been designed to exceed security requirements of local and international regulators.

Global Switch required high-quality standards as well as a tight timeframe, Aurecon assisted Gammon in developing an innovative design for the offsite modular construction of the mechanical and electrical systems. Gammon will now assemble more than 60 per cent of the MEP works off-site. This method of Design for Manufacturing Assembly (DfMA) off-site has multiple benefits including increased productivity, safety and quality.

In order to achieve an enhanced level of energy efficiency compared with other data centres in the Singapore market, the mechanical system will provide a flexible and energy-efficient solution using six high-temperature chillers with direct expansion (DX) cooling of outside air to control humidity. The resulting power usage effectiveness (PUE) of 1.34 will make the Data Centre one of the most energy efficient in Singapore’s tropical climate. By simplifying the chilled water systems, this will also result in significant savings for Gammon, and ultimately Global Switch.

The innovative electrical solution designed by Aurecon has not previously been implemented in Singapore. The electrical system provides high reliability and flexibility through an 18 x 2 MW diesel rotary uninterruptible power supply (DRUPS) connected to two high-voltage isolated parallel buses. A distributed redundant low voltage distribution system provides a high level of flexibility for load distribution, and load growth to optimise the available capacity from the high voltage infrastructure.

Gammon’s Project Director Alan Gibson has highlighted Aurecon’s contribution to developing a resilient energy efficient and cost-effective design.

Recognising the contribution of Aurecon’s mechanical and electrical solutions as being invaluable for the Data Centre, he credits Aurecon’s deep technical knowledge and collaborative approach as a key driver towards successful delivery of the project.

Gibson also acknowledged that Aurecon has assisted in not only positioning the project to align with Singapore’s construction industry transformation efforts, but also boosting the industry’s confidence in adopting prefabricated MEP systems for higher productivity and quality.

Global Switch Singapore Woodlands is on target to be operational by the end of 2018, becoming the company’s 12th data centre in its portfolio, delivering best-in-class operational and environmental management processes. Aurecon has worked with Global Switch on data centres around the world, always with a focus on environmental sustainability.

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