Innovative use of new technologies grants China it’s first BREEAM New Construction Excellent Rating, COFCO Landmark

The Arcadia nursery is a new building located at the King’s Buildings Campus, Edinburgh and owned by the University of Edinburgh.  The nursery caters for children aged from six weeks to five years, both for the staff and students of the University and also the wider community.

BREEAM Excellent (74%)
International 2016 New Construction: Commercial
Architect: SOM (Shanghai)
Assessor Company: Shenzhen Nottingham Sustainable Development Institute Ltd

Why did this building undergo BREEAM Certification?

COFCO LANDMARK is situated near Andingmen, Dongcheng District, Beijing. It is a flagship office building developed by Beijing Kunting Asset Management Co. Ltd. It is China’s first building project that won BREEAM NC 2016 Excellent certification for both design stage and post-construction stage.

The project comprises three office buildings of different heights. Its basement space is a shopping centre. Situated by the Andingmenwai Boulevard, it is accessible from North 2nd Ring Road and North 3rd Ring Road. It also enjoys easy access to such places as Yansha shopping centre, the Wangjing area and Zhongguancun.

With an aim to acquiring BREEAM NC Excellent certification for both design stage and post-construction stage and China’s 3-star labelling, the developer followed China’s green building policy and the BREEAM requirements and incorporated the BREEAM philosophy and up-to-date technologies into the development.

While its interior waterfall has been recognized as the highest of its kind in the world by Guinness Book of Record, the building itself is acclaimed as a masterpiece of creative architecture in this world-class city

Overview of Green Strategy and Environmental Features

Efficient energy technologies: A series of innovative technologies developed by a Shenzhen-based company has been used in the project, including a chilled water thermal storage system, BIM designs, inlet temperature design for cooling water with large temperature difference, energy-efficient control of central air-conditioning and an energy monitoring and management system. These technologies were customized for COFCO LANDMARK and help save energy and cost. The COP of the air-conditioning system is above 4.6, saving 20 percent more energy than similar buildings.

Energy efficient envelop: Energy consumption evaluation, passive energy-saving design and active energy saving design have been incorporated into development of the project. Materials of low heat transfer, low heat gain and high transmittance were used to make the building envelop, which embodies a new technology that reduces heat transfer of curtain wall frames by 40 percent and that of curtain wall by 14 percent and also helps prevent condensation on the envelop surface.

Energy efficient elevators: The elevators used in COFCO LANDMARK help save energy and reduce cost of occupants. The elevators stay in standby mode when unused (with automatic lamp turn-off and sleep mode of driver). They are equipped with drivers of variable frequency and voltage and also with energy efficient lamps of over 55 lumen/watt.

Efficient use of water: Real time monitor of water use is adopted in the project. Water meters used in the project are in different levels and for different purposes and areas. With water meters of pulsed output, water leak can be detected by comparing readings on meters that are close to each other.

Control of surface water runoff: Appropriate ways are used to control surface water runoff in the project site to avoid flooding. The methods also help lessen pressure on the municipal drainage network with heavy rains. Permeable pavement covers half of the hard surface of the project. Moreover, there are roof gardens and a water reservoir to add to control of water runoff.

Unconventional water supply: Making use of unconventional water supply reduces dependence on conventional water source. The project has a rainwater collection tank of 310 cubic meters. Collected rainwater is used for irrigation and cleaning roads.

Healthy and comfortable interior environment: Indoor comfort is important to occupants. It is one of the most important BREEAM requirements. COFCO LANDMARK has an air quality testing system that monitors concentration of carbon dioxide, VOC and PM 2.5. The alarm sounds automatically when indoor pollution is beyond limits, meanwhile the fresh air system starts to work.

Green construction: The construction site was enclosed with fence to reduce impact of noise and dust on the surroundings. Construction workers went through a pre-construction training program held to raise their awareness of health and safe production. During construction, energy consumption in the construction site and the living area was monitored, recorded and reported. When necessary, the experts would made recommendations to improve energy efficiency thereof. Construction waste was managed with monitoring and recording, with its reuse maximized and mismanagement minimized. The construction team held regular drills for fire prevention and personal safety improvement. The result is that no accident happened during construction.

Green transport: Green transport has always been endorsed in the project. People are encouraged to use less motor vehicles for less air pollution and energy consumption. The project site has 1,947 bike storage spaces and safe and easy bike lanes that are accessible to all the site’s entrances/exits. The project site is also close to bus stops and metro stations – only 50 meters from the Ditanximen bus stop and 5 minutes’ walk from Andingmen Metro station. Around the project site there are two bus stops hosting four bus lines. The public transport facilities are conducive to green transport of the project.

Green operation: A smart Coffice working system was established for occupants to improve their work efficiency while reducing operational energy consumption and cost. The system needs no body staying on duty but enables real-time monitor and visit via cellphones, greatly revolutionizing traditional property management. While operation of the equipment is very stable, the project’s energy consumption has been greatly reduced. So, the occupants enjoy a green office environment with energy efficiency and interior comfort.

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