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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

DIGI Technology Operation Centre in Shah Alam, Selangor, Malaysia by T.R. Hamzah & Yeang Sdn Bhd

March 29th, 2014 by Sumit Singhal

Article source: T.R. Hamzah & Yeang Sdn Bhd

The project is a data centre with ancillary facilities i.e. Administration Offices, Reception Lobby, Telco Tower and a Service Management Centre (Command Centre) for Digi Telecommunications Sdn. Bhd.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

  • Architects: T.R. Hamzah & Yeang Sdn Bhd
  • Project: DIGI Technology Operation Centre
  • Location: Shah Alam, Selangor, Malaysia
  • Client: DIGI Telecommunications Sdn. Bhd.
  • No. of Storeys: 4 Storey (23.5m high)
  • Construction start: April 2009
  • Completion: July 2010
  • Areas: Total gross area (GFA):  12,468 sq.m.
  • Site Areas: Lot 42 (8517 sq.m.) &  Lot 43 (8561 sq.m.)
  • M&E engineer: Norman Disney & Young Sdn Bhd
  • C&S Engineer: DE Perunding Sdn Bhd
  • Quantity Surveyor: Juru Ukur Bahan Malaysia Sdn Bhd
  • Interior Designer: T. R. Hamzah & Yeang Designs International Sdn. Bhd.
  • Landscape Architect: T. R. Hamzah & Yeang Landskap Sdn. Bhd.
  • Substructure Contractor: G-Pile Sistem Sdn Bhd

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

Project Team (Architect):

  • T.R. Hamzah & Yeang Sdn Bhd
  • Principal-in-charge: Dato Dr. Ken Yeang
  • Project Director: Andy Chong
  • Contracts Director: Edward Chew
  • Project Architect: Darren Khoo
  • Project Coordinator: Mohd. Khairi Ismail
  • Sustainability Director: Mitchell Gelber
  • Design Development Manager: Chong Sue May
  • Project Team: Nursuliana Mat Yusof, Michael Woodroffe, The Sook Ay, Carissa (Landscape), Fadhil (Landscape), Norain (ID), Eedawati (ID), Ooi Poh Lye, Rahimah, Amir Hamzah, Faizul, Chew, Ms Voon, Freya, Jeffrey Moo, Joon

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

The Client’s brief was to design a data centre based on ‘IT Data Center’s Uptime Institute’ Tier III platform, with the possibility to scale-up to Tier IV security and to include substancial ecological features.

The response to the Client’s brief is a building designed to optimize the data centre footprint, provide effective drainage and waterproofing to protect sensitive equipment, reduce solar heat gain into the data centre and allow for effective security measures.

The façades of the Data Centre incorporate extensive vertical green walls that act as living habitats.  The large greenery compontent also act as means of filtering and improving a building’s ambient indoor air quality.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

The green walls act as a living, breathing, regenerative cladding that acts as a living art installation and biological air filter.  Green walls, both indoors and out, decrease local CO2, help regulate humidity levels, trap dust, reduce noise and create a habitat for urban wildlife.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

Exterior green wall installations reduce solar gain (the entrapment of heat by passive solar gain on the building surface) and, by extension, building energy costs; provide protection from the effects of UV radiation and acid rain; and help lessen the building’s contribution to the heat island effect (resulting from vegetated land replaced with concrete and asphalt).

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

  • Ecological Design Features   

Vegetated Green Wall

In addition to improving the project’s conservation footprint via the addition of large areas of native vegetation, the vertical green wall contributes to the building’s overall performance in the following manner:

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

1. Ecological Continuity – This vertical eco-infrastructure establishes a continuous habitat on all facades of the building thereby enhancing its ecological performance and contributing to the site’s biodiversity. Conditions of this green armature are especially conducive to populations of butterflies and species of small birds. The continuity of the design further promotes biodiversity as the green wall effectively acts as one large habitat as opposed to a segmented design in which the biodiversity impact is less effective due to balkanization;

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd 

2. Natural Air Filtration – The green walls have been developed in conjunction with the building’s ventilation design to act as a biological air filtration system.  Five fresh air intakes are strategically located immediately behind the green wall trellis in order to capitalize on the particulate filtration and CO2 sequestration afforded by their proximity to greenery.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

3. Thermal Performance – The extensive, 1460m2 green wall contributes to the overall thermal performance of the building envelope. This contribution is significant as the project’s green wall covers an area equal to approximately 32% of the total surface area of the building envelope.  The enhanced thermal performance afforded by green walls as architectural cladding is documented by a growing body of academic research.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd


The main office and circulation spaces are glazed using full-height Low-E curtain walls to provide maximum daylight penetration and enables energy efficient lighting systems within the spaces.  Perimeter lighting fixtures are controlled by daylight sensors which reduce energy consumption by automatically switching off lamps when adequate daylight is available.  Secondary rooms are also fitted with operable windows for natural ventilation and daylight.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

Renewable Energy

An array of photovoltaic panels is installed on the building’s uppermost roof area.   Mounted on a steel trellis, the 234 m2 PV array generates approximately 35.28KWh of electricity on site with all power generated feeding directly back into the municipal power grid.  This renewable energy production represents an overall reduction in CO2 emissions of 12,516 kg per year and helps offset the intensive energy demands of the data centre operations.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd


Natural filtration and drainage systems are used to reduce the burden of surface run off to the public drainage system.  They also act to collect surface run off for reuse in the central irrigation system.  The project’s sustainable drainage strategy also includes the use of permeable grass pavers for all ground level car park areas.  These systems allow rainwater to replenish the site’s local aquifer rather than being diverted into an external storm-water drain.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd

Rainwater Harvesting

Siphonic rainwater down pipes are used for high velocity rain-water run-off from the building’s roof.  This rainwater is channeled into a collection tank with a capacity of 100 cubic meters.  The tank is made of 100% recycled content materials.  Collected rainwater is filtered and reused to irrigate plantscapes around the building and cater for the water requirements of the vegetated green wall via an integrated gravity-fed rooftop irrigation system.  The project’s rainwater harvesting system has been designed to ensure that no potable water is used for irrigation purposes.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd


The project utilizes a highly efficient dual-mode air and water cooled chiller system (0.6KW/ton estimated) with multiple zoning FCU and precision air-conditioning in the data centre areas.   Zoning of FCU creates savings in Energy requirement due to variations on zoning usage.  The cooling requirements of the data centre are further optimized via an innovative ‘cold aisle containment’ system.  This system establishes targeted cooling zones that meet the requirements of specific equipment rather than expending the energy otherwise required to cool rooms uniformly.


Variable speed pumps for energy efficient usage are used due to variation in load.   This provides approximately 30% overall energy savings for the projects pump systems.

Image Courtesy © T.R. Hamzah & Yeang Sdn Bhd


Light fittings are energy efficient Florescent T5 using low loss electronic ballasts.  These offer higher luminance levels and their zoning enables energy conservation through specific usage requirements. This system is bolstered through the use of occupancy sensors, daylight sensors and control via the central Building Automation System.


Lifts incorporate AC VVVF control and gearless motor drives with synchronous motor and permanent magnets and are fitted with detection sensors, sleep modes and energy saving light fittings.

Indoor Air Quality

There are minimum requirements for ventilation rates in accordance with ASHRARE 62.1:2007 which are designed to enhance the comfort and well-being of the occupants.  Strict use of low-VOC coatings, paints and adhesives further reduce detrimental impact on occupant’s health from finishes that emit internal air pollutants.  Extensive greenery at the building envelope also acts as a biological filter to improve ambient air quality.

Sanitary Fittings

Dual Flushing WC’s are fitted allowing control of water volume based on different usage needs. All basin taps and other sanitary wares are water efficient fittings with certified WELs ratings of 3-tics (maximum efficiency rating). In addition, waterless urinals are specified in the male toilets, further reducing water consumption.  Overall use of potable water within the building is reduced by more than 50%.

Sustainable Transportation

Regular shuttle service is provided between the building and the Batu Tiga KTM station (1.6km away) in order to encourage employees to commute via public transportation.  Preferred parking for carpools is provided adjacent to the building’s main entrance.

Green Materials

  • Low VOC paints and adhesives are used for all internal spaces.
  • External timber decking is made from a composite of pure polymer resin and bio-waste (rice husk). This material can be re-grinded into powder to be recycled or reprocessed.
  • The primary roof water-proofing system is a liquid applied membrane of heavy bodied acrylic polymer gel. This is an environmentally-friendly coating system and is a Green Label certified product.
  • The interior walls & ceiling lining in the office areas are recycled, environmentally friendly plasterboards comprised of High Purity Synthetic Gypsum (HPSG) plaster cores
  • Office Areas to receive low-VOC carpets with minimum 30% post-consumer recycled material content

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Categories: Center, Technological Park

2 Responses to “DIGI Technology Operation Centre in Shah Alam, Selangor, Malaysia by T.R. Hamzah & Yeang Sdn Bhd”

  1. Mandy Thing Pui Mun says:

    I am Thing Pui Mun (Mandy), studying Bachelor of Building and Property Management in Universiti Tunku Abdul Rahman. Currently, I am doing two assignments with my group-mates for two subjects which are Sustainable Design and Operation and Facility Management. We would like to conduct an interview with the building manager or facility manager of the DIGI Technology Operation Centre on 13 June 2014 (Friday) at 11am, at the office of the building. For the purpose of interview, we would like to enhance the knowledge of what are the features that promote the sustainability in the building and how can those features that help to sustain the building. In addition, we would like ask for the information of who are the management body that responsible for the facilities that implemented by the building and how they manage the facilities. We would greatly appreciate your kind assistance in this matter, which would greatly assist us in obtaining valuable useful information for our Assignment research. We look forward to your favourable reply and thank you in advance.


    Good Morning,

    I am Nur Aqilah binti Abdull Rahman, final student of Bachelor of Science (Hons.) Construction Management at Universiti Teknologi MARA (UiTM) Shah Alam. I would like to do a study about the characteristic of water features and vegetation in sustainable building in your building by send a questionnaire form.

    In addition, the result of the research will be as my data collection. SP Setia Berhad building had fulfilled my requirement to do these research.

    The documents below I had attached are related to my study. If had anything you can contact me, 013-467 2601.

    Thank You.

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