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An analytical study on rooftop greening in Hong KongLeung, Lap-fei, 梁立飛 January 2013 (has links)
Air pollution and urban heat island effect caused from the development of infrastructures are getting serious, in which air flow is reduced and heat is trapped among high-rise buildings. In order to mitigate these problems, various methods have been developed in previous studies. Green roof has been identified as one of the most important means to mitigate these problems and implement sustainable development principles in the building features. Governments world-wide have been introducing various policies and regulations for promoting green roof particularly for building projects. However, existing buildings in Hong Kong display limited green roof features, especially for old buildings. Hong Kong is one of the most densely populated cities with many high-rise buildings. This paper examines the major barriers encountered in promoting green roof systems for existing buildings in Hong Kong. A case study approach is adopted to investigate how and why the barriers hindered the implementation of green roof features. Research results showed that lack of promotion and incentives from government and lack of government coordination are the top barriers to the implementation. This research concludes by providing suggestions and actions that can help mitigate these barriers. / published_or_final_version / Housing Management / Master / Master of Housing Management
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Green roof showcase : retrofitting the rooftop of the Chicago Cultural CenterMurphy, Joseph T. January 2001 (has links)
This project provides a historical perspective and a comprehensive review of the quantitative and qualitative benefits of green roof technologies and argues that most of these benefits could be represented in the City of Chicago in an educational and interactive site. As a demonstration site, the Chicago Cultural Center rooftop could be retrofitted as such a green roof project. In addition to the normal benefits of a green roof, this high profile site would provide increased awareness of the benefits of rooftop greening in hopes of encouraging future such projects in Chicago and elsewhere. The major barriers to the widespread use of green roof technologies are summarized; creative solutions making use of various green roof technologies are displayed on one prominent, showcase rooftop. / Department of Landscape Architecture
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Social performance of communal sky garden in a dense urban city -- Hong KongChan, Shun-tim, 陳順甜 January 2013 (has links)
As a result of rapid proliferation of urbanization, there is an insufficient supply of green spaces in dense urban city while the population and living density are both very high. This insufficiency associates with a number of problems on both individual and community. Communal sky garden (CSG) thus turns into an alternative solution as a co-existence between building and vegetation within the same plot of land for the enjoyment of the occupants of the respective development. This study aims at examining the design elements which affect the social performance of CSG for high rise buildings in dense city.
There are totally 25 number of residential developments which have the provision of CSG since the issuance of Joint Practice Note No.1 and No.2 in 2001. Eight of them have been selected for the Study. The sky garden design of these developments has been examined and analyzed from different perspectives which include building controls, on-site measurements and observations, questionnaire survey and interviews. Views from public, developers and design professional have also been collected to generate a holistic review on such provision.
Several features which are unique to CSG has been identified. The most apparent one is the provision couples with the refuge floor while the layout is dictated by the typical floor plate. It thus imposes limitations on the design and the schedule of accommodations. Also, based on the design layout and characteristics, the eight selected ases have been classified and categorized into four CSG typologies, namely (i) typical type; (ii) linked-up type; (iii) duplex type; and (iv) balcony type. These typologies facilitate the review and analysis of the current provision of CSG.
The findings from fieldworks have exhibited that people’s perception on CSG is positive. Its provision is highly supported and appreciated nevertheless of their infrequent use rate. When designing CSG, the considerations are slightly different from those designed at street or ground floor level. Greening is still considered as important which has been validated in the current Study; open views from CSG and its tranquil environment which are unique to the provision constitute the primary concerns of users when consider visiting the garden. These conditions offer an alternative space for residents of the respective development to relax and relieve stress. However, the role of CSG cannot be overemphasized; it, in fact, is complementary to the open space system by providing a garden at “doorstep” for residents particularly for those developments lacking competing facilities such as podium garden and nearby open space. Hence, the provision is not only environmentally sustainable, but also socially sustainable in terms of improving physical health and well-being of residents and their quality of life. This Study also offers a significant reference for the comprehensive design and in-depth understanding on the value and role of CSG in the built environment especially for high rise residential buildings in dense city. The collected findings and the deliverables provide a good reference in future CSG provision in Hong Kong. / published_or_final_version / Architecture / Doctoral / Doctor of Philosophy
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The farmerland.January 2010 (has links)
Tao Yuen Ting, Josephine. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 2009-2010, design report." / "May 2010." / Includes bibliographical references (p. [86-87]). / Abstracts in English and Chinese. / Chapter 1.0 --- synopsis : site background . the urbanization procedure? . compelling factors for an alternate urbanization . farming an opportunity . hypothesis --- p.6 / Chapter 2.0 --- research : farming in social potential . farming in energy potential . farming in water potential . farming practice . cases study . density study --- p.22 / Chapter 3.0 --- site design : site criteria . retaining the local farming entities . layout strategy . optimizing building with farming --- p.46 / Chapter 4.0 --- building design : massing component . compositiong strategy --- p.62 / Chapter 5.0 --- bibliography : --- p.86
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Produce choices : exploring the potential for niche food markets as an incentive for green roof implementationPhilp, Lori Jane 11 1900 (has links)
A high perceniage of vacani space within downtown Vancouver is
composed of inaccessible rooftops that, through green roof implementation,
are capable of sustaining a network of accessible open space that supports
urban food production. With an increasing local interest in urban agriculture,
an organic rooftop food production technology is due to emerge on the
marketplace. This study explores the development of urban agriculture within
downtown Vancouver as a potential incentive for green roof implementation.
Through an analysis of current research and a related case study, a design for
an organic herb garden was developed for an existing green roof above a
specialty-foods grocery store in downtown Vancouver. This model allows the
green roof to support the growing and selling of organic food on-site, bringing
the celebration of food production to the public realm, while strengthening the
connection between the green roof, its' built form and the surrounding
community. The design integrates a highly-productive organic herb garden
with social areas for on-site residents and employees. Using developed
indicators for sustainability, a final comparative analysis of the proposed design
against the related case study and existing site was completed. This study
informs new directions for the social function of the green roof, while
recognizing how policy and regulations for future urban development can
support the advancement of urban agriculture. / Applied Science, Faculty of / Architecture and Landscape Architecture (SALA), School of / Graduate
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