Page 136 - The Hong Kong Green Building Council (HKGBC) 香港綠色建築議會
P. 136
Public Sector Conversion of a Chai Wan Factory Estate to
Projects a Public Housing Estate
substantially eliminating the consumption of new
construction materials.
Innovative sustainable features include the
following:
The conversion of Housing Authority’s (HA) Chai Government’s announcement, site preparation • Eco-wells to enhance day lighting and facilitate
Wan Factory Estate (CWFE) into public rental works such as soil decontamination and building cross-ventilation to create comfortable living
housing was announced by the Government on 30 clearance were undertaken in May 2013 and spaces in domestic units;
August 2012 to increase and expedite the short- completed in June 2014 for commencement of
term public housing supply. To address the needs building construction works, which are scheduled • Carefully plan the site and domestic flats
of singletons and small families wanting small- for completion at end 2015. to minimise noise disturbances from the
size housing units in urban areas, the development surrounding urban environment;
will provide 187 flats on five domestic storeys, The project aims to celebrate the historic value of
with a total gross floor area of about 12,800 m2 CWFE, revitalising the site and its neighbourhood • Balconies to habitable rooms allowing daylight
accommodating a population of about 570 people. by injecting new uses and life, bringing the building into domestic flats and offering shading to
fabric and provisions up to the current standards, reduce solar heat gain;
CWFE was constructed in June 1959 to meet and promoting sustainable development.
the demand for low-cost factory spaces resulting • To alleviate the urban heat island effect and to
from the clearance of squatter areas. Being Over 70 percent of the existing building optimise urban air ventilation, over 40 percent
the only remaining H-shaped factory building structure is retained in the project, which not greening is provided including an extensive
in Hong Kong, it was granted Grade II Historic only helps to preserve the original appearance landscaped roof garden, vertical greening and
Building status by the Antiquities Advisory Board of the building, but also reduces the use of planting around children’s play areas, as well as
in 2013. This conversion project was in response new construction materials, thus minimising a landscaped heritage interpretation area with
to the community‘s aspirations to preserve the construction waste, conserving energy and seating at the pedestrian level. These features
historic building, as well as its demand for public reducing carbon emissions. This is achieved by act as a ‘green lung’ for the residents and
housing. CWFE was built on an island site of conducting off-site experiments through which local community, as well as provide communal
0.4 hectare in the centre of the Chai Wan urban the fire performance of existing floor slabs was venues for social interaction and leisure among
area surrounded by the MTR station, public verified as meeting fire safety requirements. As residents and the neighbourhood;
transport terminal, and medium- to high-rise a result, significant amounts of demolition and
buildings of various uses. Subsequent to the re-construction of floor slabs have been avoided, • A rainwater harvest system to conserve water
resources and reduce storm water run-off;
PROJECT SCALE / USE 0.4 hectare
11,900 m2 (domestic) and 900 m2 (non-domestic) • Maximised natural cross ventilation and
Site area (approx.) 6 enhanced daylight in the entrance lobby and
Gross floor area (approx.) 570 lift lobbies, as well as central ramp staircases
Number of floor above grade Public Rental Housing through open fence walls and open corridors,
Approximate final population and elevated skylights, which ultimately reduce
Key Occupancy type(s) the building’s electrical energy consumption;
and
• New lifts, tactile guide maps and paths to
improve and enhance barrier-free access.
KEY TEAM MEMBERS
Owner / Developer
Hong Kong Housing Authority
Project Manager / Architect / C&S
Engineer / M&E Engineer /
Landscape Architect
Development and Construction Division,
Housing Department,
HKSAR Government
Quantity Surveyor
Turner & Townsend Brechin Ltd.
Environmental Consultant
Arup
Main Contractor
Yau Lee Construction Company Ltd.
134 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
Projects a Public Housing Estate
substantially eliminating the consumption of new
construction materials.
Innovative sustainable features include the
following:
The conversion of Housing Authority’s (HA) Chai Government’s announcement, site preparation • Eco-wells to enhance day lighting and facilitate
Wan Factory Estate (CWFE) into public rental works such as soil decontamination and building cross-ventilation to create comfortable living
housing was announced by the Government on 30 clearance were undertaken in May 2013 and spaces in domestic units;
August 2012 to increase and expedite the short- completed in June 2014 for commencement of
term public housing supply. To address the needs building construction works, which are scheduled • Carefully plan the site and domestic flats
of singletons and small families wanting small- for completion at end 2015. to minimise noise disturbances from the
size housing units in urban areas, the development surrounding urban environment;
will provide 187 flats on five domestic storeys, The project aims to celebrate the historic value of
with a total gross floor area of about 12,800 m2 CWFE, revitalising the site and its neighbourhood • Balconies to habitable rooms allowing daylight
accommodating a population of about 570 people. by injecting new uses and life, bringing the building into domestic flats and offering shading to
fabric and provisions up to the current standards, reduce solar heat gain;
CWFE was constructed in June 1959 to meet and promoting sustainable development.
the demand for low-cost factory spaces resulting • To alleviate the urban heat island effect and to
from the clearance of squatter areas. Being Over 70 percent of the existing building optimise urban air ventilation, over 40 percent
the only remaining H-shaped factory building structure is retained in the project, which not greening is provided including an extensive
in Hong Kong, it was granted Grade II Historic only helps to preserve the original appearance landscaped roof garden, vertical greening and
Building status by the Antiquities Advisory Board of the building, but also reduces the use of planting around children’s play areas, as well as
in 2013. This conversion project was in response new construction materials, thus minimising a landscaped heritage interpretation area with
to the community‘s aspirations to preserve the construction waste, conserving energy and seating at the pedestrian level. These features
historic building, as well as its demand for public reducing carbon emissions. This is achieved by act as a ‘green lung’ for the residents and
housing. CWFE was built on an island site of conducting off-site experiments through which local community, as well as provide communal
0.4 hectare in the centre of the Chai Wan urban the fire performance of existing floor slabs was venues for social interaction and leisure among
area surrounded by the MTR station, public verified as meeting fire safety requirements. As residents and the neighbourhood;
transport terminal, and medium- to high-rise a result, significant amounts of demolition and
buildings of various uses. Subsequent to the re-construction of floor slabs have been avoided, • A rainwater harvest system to conserve water
resources and reduce storm water run-off;
PROJECT SCALE / USE 0.4 hectare
11,900 m2 (domestic) and 900 m2 (non-domestic) • Maximised natural cross ventilation and
Site area (approx.) 6 enhanced daylight in the entrance lobby and
Gross floor area (approx.) 570 lift lobbies, as well as central ramp staircases
Number of floor above grade Public Rental Housing through open fence walls and open corridors,
Approximate final population and elevated skylights, which ultimately reduce
Key Occupancy type(s) the building’s electrical energy consumption;
and
• New lifts, tactile guide maps and paths to
improve and enhance barrier-free access.
KEY TEAM MEMBERS
Owner / Developer
Hong Kong Housing Authority
Project Manager / Architect / C&S
Engineer / M&E Engineer /
Landscape Architect
Development and Construction Division,
Housing Department,
HKSAR Government
Quantity Surveyor
Turner & Townsend Brechin Ltd.
Environmental Consultant
Arup
Main Contractor
Yau Lee Construction Company Ltd.
134 HONG KONG REPORT ON THE STATE OF SUSTAINABLE BUILT ENVIRONMENT 2014
