Page 116 - The Hong Kong Green Building Council (HKGBC) 香港綠色建築議會
P. 116
Public Sector CIC ZCB
Projects Hong Kong's First Zero Carbon Building
ZCB was developed by the Constrction Climate responsive planning dictated the design combination of chilled beam and under floor
Industry Council (CIC) in collaboration with of ZCB. The siting, form and orientation of displacement cooling, separate cooling and
the Government. It is the first zero carbon the building were determined after a rigorous humidity removal, an active skylight and an
investigation of the microclimate of the site. The intelligent LED lighting system. Through the use of
building in Hong Kong, tailor-designed for the tapered form of the building with deep overhangs cost-effective passive design and active systems,
sub-tropical urban context of the city. ZCB, with reduces solar heat gain on the south façade and ZCB has achieved a 45 percent reduction in energy
a gross floor area of 3,300 m², is situated on a maximises natural daylighting on the north facade. consumption compared with the benchmark of
14,700 m² site in the industrial and commercial The high performance façade achieves a low 156 kWh/m² per year for a commercial building of
district of Kowloon Bay. The consultant team Overall Thermal Transfer Value (OTTV) of 11 W/m². a comparable size, as cited by the Electrical and
for the project was appointed in April 2011, Situated on the northwest corner of the site, the Mechanical Services Department.
construction works commenced in July 2011 and building and its surrounding open space receive
the building was completed in June 2012. prevailing cool south-easterly winds, enabling ZCB Renewable energy at ZCB is generated through
to be naturally ventilated for 40 percent of the year. a combination of photovoltaics (PV) and a biofuel
The vision for ZCB is to be a leading exhibition, This significantly reduces energy consumption tri-generation system. Three types of PV, including
information and education centre for low/zero from mechanical cooling. polycrystalline on the main roof of the building,
carbon building practices to target the problem building integrated PV (BIPV) for the glass roof
of climate change through the reduction of Connected to over 2,800 smart sensors, the of the viewing platform, and cylindrical Cooper,
greenhouse gas emissions. ZCB showcases Building Management System (BMS) monitors Indium, Gallium and Selenide (CIGS) installed at
low/zero carbon building design and the building’s performance for evaluation and the eco-café, have been estimated to produce
technologies to the construction industry, with real-time display of data in the Building 85 MWh of renewable energy per annum. The
a view to promoting their wider application in Environmental Performance Assessment biofuel generator, which uses waste cooking
Hong Kong. It also serves to raise community Dashboard (BEPAD). Active technologies that oil, was estimated to produce 145 MWh of
awareness of low-carbon living through the contribute to achieving the goal of zero carbon renewable energy per annum. Combined, both of
concept of ‘One Planet Living‘. A hope for ZCB include High-Volume-Low-Speed-Fans, a these systems generated an estimated 214 MWh
is to inspire and encourage communities to of renewable energy over 2013, which is close
improve the quality of their environment and PROJECT SCALE / USE
social amenities in Hong Kong. A long-term goal 1.4 hectares
Site area (approx.)
for ZCB is to create a cultural shift towards a 3,300 m2
low-carbon lifestyle. ZCB aims to be carbon Gross floor area (approx.)
neutral and energy positive through passive 2 floors (1G/F + 1M/F), 1 Basement Floor
Number of floor above grade
design, energy efficient active systems and 30-35
on-site renewable energy generation, with surplus Approximate final population
energy feed-in to the electricity grid. The concept Eco-Office, Education (Tours), Facilities hire
and design of ZCB is innovative in its application Key Occupancy type(s) (Indoor and outdoor areas for events including
of over 80 different green technologies, some of conferences, seminars, exhibitions etc.)
which are applied in Hong Kong for the first time.
114 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
Projects Hong Kong's First Zero Carbon Building
ZCB was developed by the Constrction Climate responsive planning dictated the design combination of chilled beam and under floor
Industry Council (CIC) in collaboration with of ZCB. The siting, form and orientation of displacement cooling, separate cooling and
the Government. It is the first zero carbon the building were determined after a rigorous humidity removal, an active skylight and an
investigation of the microclimate of the site. The intelligent LED lighting system. Through the use of
building in Hong Kong, tailor-designed for the tapered form of the building with deep overhangs cost-effective passive design and active systems,
sub-tropical urban context of the city. ZCB, with reduces solar heat gain on the south façade and ZCB has achieved a 45 percent reduction in energy
a gross floor area of 3,300 m², is situated on a maximises natural daylighting on the north facade. consumption compared with the benchmark of
14,700 m² site in the industrial and commercial The high performance façade achieves a low 156 kWh/m² per year for a commercial building of
district of Kowloon Bay. The consultant team Overall Thermal Transfer Value (OTTV) of 11 W/m². a comparable size, as cited by the Electrical and
for the project was appointed in April 2011, Situated on the northwest corner of the site, the Mechanical Services Department.
construction works commenced in July 2011 and building and its surrounding open space receive
the building was completed in June 2012. prevailing cool south-easterly winds, enabling ZCB Renewable energy at ZCB is generated through
to be naturally ventilated for 40 percent of the year. a combination of photovoltaics (PV) and a biofuel
The vision for ZCB is to be a leading exhibition, This significantly reduces energy consumption tri-generation system. Three types of PV, including
information and education centre for low/zero from mechanical cooling. polycrystalline on the main roof of the building,
carbon building practices to target the problem building integrated PV (BIPV) for the glass roof
of climate change through the reduction of Connected to over 2,800 smart sensors, the of the viewing platform, and cylindrical Cooper,
greenhouse gas emissions. ZCB showcases Building Management System (BMS) monitors Indium, Gallium and Selenide (CIGS) installed at
low/zero carbon building design and the building’s performance for evaluation and the eco-café, have been estimated to produce
technologies to the construction industry, with real-time display of data in the Building 85 MWh of renewable energy per annum. The
a view to promoting their wider application in Environmental Performance Assessment biofuel generator, which uses waste cooking
Hong Kong. It also serves to raise community Dashboard (BEPAD). Active technologies that oil, was estimated to produce 145 MWh of
awareness of low-carbon living through the contribute to achieving the goal of zero carbon renewable energy per annum. Combined, both of
concept of ‘One Planet Living‘. A hope for ZCB include High-Volume-Low-Speed-Fans, a these systems generated an estimated 214 MWh
is to inspire and encourage communities to of renewable energy over 2013, which is close
improve the quality of their environment and PROJECT SCALE / USE
social amenities in Hong Kong. A long-term goal 1.4 hectares
Site area (approx.)
for ZCB is to create a cultural shift towards a 3,300 m2
low-carbon lifestyle. ZCB aims to be carbon Gross floor area (approx.)
neutral and energy positive through passive 2 floors (1G/F + 1M/F), 1 Basement Floor
Number of floor above grade
design, energy efficient active systems and 30-35
on-site renewable energy generation, with surplus Approximate final population
energy feed-in to the electricity grid. The concept Eco-Office, Education (Tours), Facilities hire
and design of ZCB is innovative in its application Key Occupancy type(s) (Indoor and outdoor areas for events including
of over 80 different green technologies, some of conferences, seminars, exhibitions etc.)
which are applied in Hong Kong for the first time.
114 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
