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  • Open access
  • 132 Reads
Green Infrastructure as Water Sensitive Urban Design Strategy in the Era of Climate Change
The world is struggling against extreme droughts, heavy rain, and heat waves because of climate change. These abnormal climate cause urban flood, urban heat island, and water pollution and shortage and these natural disasters not only threaten citizen’s health and amenity but also negatively affect cities economically, environmentally, and socially. Thus, this paper discusses about green infrastructure as the water sensitive urban design strategy in terms of sustainable stormwater management in the era of climate change. To do this, this paper reviews concept, context, and current trends of green infrastructure as water sensitive urban design strategy and this paper examines relations between green infrastructure and sustainable stormwater management. And then this paper analyzes various case studies on green infrastructure as water sensitive urban design strategy for sustainable stromwater management, which are categorized by city-scale's case studies such as Kallang River Bishan Park and Tanner Springs Park, site and building-scale's case studies such as Mount Tabor School rain garden, Sidwell Friends School wetlands, and California Academy of Sciences green roof, and street-scale's case studies such as NE Siskiyou Green Street, SW 12th Avenue Green Street, and Taylor 28 Green Street. After analyzing these various case studies of green infrastructure as water sensitive urban design strategy, this paper draws water sensitive urban design strategies for sustainable stormwater management. The result of analysis is as follows. Firstly, water sensitive urban design strategy for sustainable stormwater management contains various green infrastructure elements such as urabn wetlands, stormwater parks, eco-streams, green roofs, rain gardens, bio-swales, buffer strips, stormwater planters, permeable pavings, and cisterns. Secondly, these various green infrastructure elements could be applied on the various types of land-use such as buildings, roofs, roads, streets, and parking lots as well as green and water space in urban areas. Thirdly, these multi-dimensional green infrastructure could evaporate, infiltrate, filtrate, and reuse stormwater ecologically through vegetation, soil, and minerals which is applied on green infrastructure. Fourth, these biological green infrastructure could be linked and connected each other to supply more environmental benefits such as urban flood prevention, water purification, and habitat supply for plants and animals than to be applied alone on the various types of land-use. Eventually, these water sensitive urban design strategies as green infrastructure could restore ecologically urban hydrological cycle which is distorted by indiscriminate urban development and could enhance urban biodiversity which is destroyed by massive urban sprawl.
  • Open access
  • 96 Reads
New sustainable urban design strategies for the Beijing region's most extensive green, compact city: Case study of Bohai innovation city
Recently released China New Urbanization Plan (2014-2020) encourages creating a transit-oriented, compact city that creates a new model for sustainable, livable city design. It includes infrastructures and plans for utilization of existing natural assets, responsibly high-density, green, and park centered community. The purpose of this study is to understand new sets of urban design strategies and technologies by reviewing the framework for environmental sustainability, smart transportation system and livability of residence. The study will explore this new sustainable urban development model by focusing on the Bohai Innovation City in China.   The Bohai project is a strategic advancement in the policy of building one of the world's most powerful economic regions, the Bohai Rim. It is a major step in the development of the Beijing-Tianjin international business corridor. And it is a logical, organic expansion of the national capital's rapidly growing metropolitan economy. The proposal for Beijing Bohai Innovation City leverages numerous existing assets, infrastructures and plans to create an exciting and attractive new international district that will be a global showcase of environmental and economic balance in a responsibly high-density and green community designed to encourage human development and commercial innovation. Its strategic location at the first stop of the high speed intercity rail line, along with its highway and transit connections, puts all the region's advanced resources within the quick and convenient reach of the new city. From the cutting edge technologies developed by the world's leading companies, to the districts and neighborhoods in which they settle, to the high-tech urban infrastructure by which they are serviced, the master plan of Bohai project embraced innovative sustainable technologies as a showcase of new urban development in China including the Beijing region's most extensive storm water bio filtration system.   The study will explore the following aspects; the strategies for Smarter Growth, Comprehensive Transit Connectivity, Compact Walkable Core, Connected Neighborhoods, Integrated Natural Systems, and High Performance Urban Design.
  • Open access
  • 143 Reads
Reimagining New York City's Underutilized Building Stock and Infrastructure
During WWII, parts of New York City were largely industrial zones, collections of warehouses and other industrial buildings with occasionally a few scattered pockets of residents. Much of the related industry has moved out of these areas, leaving behind underutilized building stock. In addition, the city host some significant abandoned infrastructure closed rail-road, subway station, non-functioning aqueducts, retired sewer lines among them. In a city with a growing population, these facilities offer opportunities for conversion to new housing and public recreational and cultural spaces. In some cases transformation has already occurred, proof of concept that transformation is possible. This thesis will (1) identify still-untapped significant opportunities for similar reinvention within the city’s urban fabric, including outlines of the history of such sites, (2) examine the dynamics of redevelopment through retrofitting existing structures based on successful similar projects such as the rebirth of Long Island City and Brooklyn Navy Yard and creation of the High and Low Line Park, and (3) propose potential repurposing of selected examples of such underutilized resources. To accomplish this, the project will first scour city records for as yet un-redeveloped sites. Next, it will evaluate in depth the processes the city and private developers used to transform specific areas, largely seriously under-utilized by the end of the twentieth century. Finally, the project will present detailed proposals for new projects and explanations of their impact on the fabric of the city and the potential applications of the process for other mega cities.
  • Open access
  • 213 Reads
Innovation for Low-Rise Construction in the Urban Tropics: Utilization of Structural Bamboo for Cost-Efficient Housing

This paper deals with a cost-efficient construction technology using load bearing bamboo for urban low-rise housing in tropical Asia-Pacific. The potential of the technology to be applied at larger scale is discussed at the example of the Philippines as pilot country for its application. The assessment of alternative construction methods such as this one is motivated by a tremendous need for more affordable, sustainable and resilient housing around the globe. The urban poor, being the most underserved group in need of housing, often cannot afford conventional building technologies offered by the formal industry. Using locally available bamboo as structural component within the introduced standardized and quality controlled construction method is an entry point to provide performing and safe housing at lower cost. The paper highlights, however, that cost-efficiency and technical performance are not the only requirements for innovations to succeed on a market, especially due to the complex challenge of urban poor housing. Through learnings from the construction of 50 houses in the Philippines and interviews with various stakeholders along the value chain of the technology, barriers and opportunities for a scale-up are retrieved. For this paper, a conflated none-exhaustive overview of the identified aspects is documented. It was found that both barriers and opportunities directly linked to this technology are closely tied to a complex local value chain which ranges from upstream supply of raw material to downstream customer acceptance. The pilot application has shown further, that participatory product development reduces the acceptance barrier significantly by directly addressing the needs of low income customers. Material and skills availability, enabling policies and approval by legal entities as well as sustainability in supply of the organic raw material play important roles too. This complex set of interlinked aspects needs to be addressed according to targets in implementation-pace, and -scale as well as its intended social value creation. While multi-stakeholder participation is required for a successful up-scaling, a facilitating social enterprise, providing knowledge and services around the technology, can guide through the up-scaling.

  • Open access
  • 104 Reads
Symbiosis of Kampong and Large Scale Development:The case of Kampung Menteng Atas and Rasuna Epincentrum Development

Large scale development in urban areas will create impact not only to itself but to the surrounding areas. Kampong in Jakarta has its own particular structure and morphology. Originated as land for future development, lies in the middle of Jakarta, and often just at the back of the city's main street; urban kampong has high potential land value. Many scholars argue that urban kampong in Jakarta is one of the key elements of the survival of Jakarta to ne liberalization.

This paper studies how does work a mutual symbiosis between Kampong Menteng Atas and large scale development. Is it a smart option to maintain kampong physical existence in urban area? Or is it a gentrification in slow progress? Using the case of kampong Menteng Atas, this paper identifies economic activities which have done by informal sectors in a kampong in Asian Metropolitan City. Kampong Menteng Atas, at Kuningan area, South Jakarta is located just at the back of Rasuna Epicentrum development, which accounts more than 40ha of land. Such large scale development has changed the economic and social environment of kampong. Kampong Menteng Atas adapted against the pressure by providing various services with low values, such as food stall, cell phone shops, laundry, and rental rooms. The captive market of these services is mostly people who work at the development, such as employee, security guards, waiters, drivers, etc. With this little "help", real estate does not need to provide these services, thus keeping the development value high. In the early stage of the development, only food stalls emerged; but in later stage of the development (after 5 years) the service became more varied. The economic changes have also encourages social changes in kampong. Tempted by high return from these new economic activities (food stall can earn up to 3mio IDR/month, laundry can earn up to 7mio IDR/month, minimum wage for Jakarta is 2.4mio/month), the indigenous community flew away from the area. Those who choose not to sell (or not yet) their properties, prefer to convert them into commercial or rent them out. The high number of renters (often more than 1 in one room) indicates the high influx rate of immigrants in this kampong. The immigrants have dominated the economic activities in the area by 73% against the original inhabitants. As many of them do not mingle well with the original community or amongst themselves, it creates a fragmented society – far from the usual warm-hearted kampong society.

The research for this paper was carried out through observation, field survey and in-depth interviews as main data collection.

The results of the study demonstrate the potential of economic activities by informal sector in kampong Menteng Atas, where is adjacent with the well-developed superblock development, to deal with superblock development and to finally contribute to the understanding of how urban economic activities have been working in an Asian metropolitan city like Jakarta. The process and form of economic activities in kampong becomes a survival tool for social, economic and environmental urban aspects of the city.

  • Open access
  • 48 Reads
The Future of The Traditional Market And its Importance to Develop The Global Competitiveness of the City Based on its Local-Specific Potentials

The majority of the world cities is concentrated its effort to increase their competitiveness on global level. In the same time these cities are confronted with similar and comparable challenges, including increases in resource consumption, mobility demand, pollution, urban sprawl, social inequities, depletion of ecosystems and the decreasing of the local economy, both on urban and regional level. However, specific basic conditions, as level of urbanization and relation of the city to globalized economic system require specific approaches to develop appropriate strategies to secure the long term resilience of the city. Economically globalized city like Jakarta is in increasing pressure to upgrade its competitiveness. During the last two decades many different approaches, methods, technologies and systems have been developed to facilitate the realization of city competitiveness on global market, but the majority of the approaches is generally not integrated in the overall strategy to support a sustainable future of the existing urban system.

The paper observes to show the important roles of city's traditional markets for the survival of local economy of the city Jakarta and discuss its strategic contributions to secure a sustainable future of the city which want to develop its global competitiveness without destroying its local-specific characters. Using the case of some traditional markets in Jakarta, this paper observe the system of traditional markets could be survive and be innovative as an economic urban entity to solve their problems.  There have been existing innovations and initiatives of main players of traditional markets and also their synergized social network, which are beyond a survival way.

The research for this paper was carried out through observation, field survey and in-depth interviews as main data collection.

 The results of the study demonstrate the potentials of urban traditional market to relate with sustainable urban development and to finally contribute to the understanding of how traditional markets could be creating innovations based on their knowledge resources in line with their social value system and local knowledge. The system of city’s traditional market becomes an instrument of resilience urban system and expose how the system is working based on knowledge resource, local knowledge and social value system of city’s traditional market in Jakarta.

  • Open access
  • 193 Reads
Urban Resilience: Principles for the Water Sensitive Cities
Due to the widespread of recognition on climate change, global warming influences, urban communities are increasingly seeking to ensure not only resilience to urban water supply in the future, but also optimizing harness of urban water to create hydro-social benefits, which enhance health of urban living environment. Over 20 years, a lot of effort has been put on emerging researches, government policies, and application on practices of transforming from the conventional way of city development into the integrative water sensitive cities. However, the hydro-social resilience system toward water sensitive cities has not been established yet enough to aware as common vision internationally, while doing overhaul of existing urban water management system and adaptation process of new understanding and approach of contextual hydro-social systems. This paper provides principles of water sensitive cities toward urban resiliency through trans-disciplinary approach in the context of high density cities; 1) socio-political system to support social behavior changes on sustainability and livable urban living environment; 2) centralized and decentralized hydro-technical systems and infrastructure to underpin diversity of urban water sources to mitigate vulnerability from climate change, flooding, increasing population, etc.; 3) environmental resilience to enhance quality of waterway, and public health in both built environment and natural environment, as it will be designed and planed as a part of environmental infrastructures, which gives direct impact on urban living environment. While progressing transformation to achieve resilience system, the approach of leading water sensitive cities from Australia and Singapore will be presented.
  • Open access
  • 179 Reads
2030 Seoul Plan: A Case of Participatory Foresight for Reflexive Urban Governance
Within research on socio-technical system transitions, foresight has been discussed as a core element of reflexive governance, aiming to facilitate transformative change towards sustainability in response to the limitation of conventional approaches that could not properly reflect uncertainties, complexities, long-term planning process, integrated knowledge, systemic approaches and diverse future pathways. In this regard, 2030 Seoul Plan, a 20-year long-term Basic urban plan in Seoul, explicitly shows a remarkable and meaningful turn from conventional planning approaches to participatory foresight approaches, triggered and driven by strong political leadership. This paper explores whole processes of 2030 Seoul Plan that has overcome the inertia of path dependency, and analyzes main drivers and barriers of this change. The analysis provides an insight regarding how the participatory foresight at megacity scale can be implemented. It also develops the analytical framework of participatory foresight from various related literatures to evaluate 2030 Seoul Plan and find strengths and weaknesses of it. Four findings are mainly addressed in this study. First, integrated knowledge was generated among three main participants groups including citizens, experts and different departments of Seoul Metropolitan Government (SMG). Also, the adaptivity of strategies and institutions, as well as learning was developed during the processes of 2030 Seoul Plan. The new cooperative cultures and interactive strategies were developed by inclusive discussion among the participants. Learning process can be also found from the processes, yielding positive outcomes. Thirdly, citizen participatory planning process makes the plan continuously regardless of the short-term electoral period. Finally, iterative and participatory goal formulation was planned but not yet implemented in 2030 Seoul Plan. As this was established recently, further research is required to look into this more thoroughly.
  • Open access
  • 88 Reads
An Applied Research Experiences: Green Pedestrian Facilities in Indonesia
The paper discusses an applied research on green pedestrian facilities in Indonesia that based on walkability index. In general, the Government of Indonesia initiates the research as part of commitment to support the agenda of Durban Platform. As an applied research that focuses on green pedestrian facilities, the study attempts to improve the quality of walkability in the urban area in Indonesia. Many cities in this country are failed to provide walkable pedestrian facilities that support the concept of the green city. Therefore, the research tries to answer fundamental research questions regarding on walkability and green pedestrian facility. What are significant factors that influence walkability? How to improve walkability for green pedestrian facilities? The study applies mixed methods approach that combines qualitative and quantitative methods to gather data and further information on the topic. Since the research tests walkability concept in Indonesia, it refers and analysis method of Global Walkability index. Furthermore, to ensure that the theoretical discussion fit for implementation, the research uses a design competition to check parameters from walkability and translate the concept of the green city into physical development. Innovative design from the competition will be implemented in a few cities in Indonesia as a pilot project. Output from this research provides a new idea regarding walkability approach and green pedestrian facilities in Indonesia. Besides that, finding from this research is also expected to enrich theoretical debate on walkability index.
  • Open access
  • 128 Reads
Three projects, three scales, one vision: regenerating existing architecture through green and smart technologies.
By now it is clear that the future and beauty of contemporary city (in our case of study, usually european) is decided from the necessity to recompose and regenerate urban spaces and buildings which have now been dismissed and relegated: architectural projects in these places have to attempt to re-define open spatialities giving quality to the urban space.  This intervention illustrates various project experiences which were conducted inside a master degree thesis laboratories, an experimental workspace guided by our research group. It deals particularly with three interventions which are differing in context and scale, but whose trait d'union is the interdisciplinary design logic that shifts from a purely architectural standpoint to one which is more specialized, engineered, and capable of efficiently facing technological themes involved in the reanalysis of complex situations. The first project addresses the urban-territorial scale: It deals with a project of the requalification of Cabanyal, an ancient maritime neighborhood in Valencia. The heart of the project foresees the continuing of the Parco del Turia, which lies inside this neighborhood, introducing a new urban system capable of mending the construction fractures which have accumulated over time. The second moves to a level of more detail, concentrating its efforts on building scale: It is a project based on the regeneration of a social housing located on the outskirts of Ancona. This intervention is characterized by the technological elements used to minimize the ecological footprint of the structure, and more importantly the way in which these elements become the generating element of the formal aspects.Instead the third one reflects on the exception represented by the suburban centralities, real and actual satellites of the downtown city: in particular, it deals with the conversion of a dismissed brick furnace located in the countryside landscape of central Italy into a contemporary hub for culture and recreation.
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