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09:00   New Roles IV Chair: Hans Hubers 09:00 20 mins SUSTAINABLE DISTRICT IN BARCELONA Lluis Grau Abstract: Lluís GRAU i Molist, Architect1 Felipe PICH-AGUILERA, Architect2 Teresa BATLLE, Architect2 Gonzalo PORTABELLA, Architecture student2 Xavier GABARREL, Dr.Biotechnology3,4 Ramón FARRENY, Environmentalist 3 Jordi OLIVER-SOLA, Environmentalist 3 Joan RIERADEVALL, Dr.Chemistry3,4 Jocelyne M.DE BOTTON, Architect5 Antonio TERRISSE,Architect6 Enric BATLLE, Psychiatrist7 Ole THORSON, Dr.Civilengineer8,9 Eduard COT, Civilengineer10 Pep RIERA, Farmer11 1 Duran & Grau - arquitectes i associats SL, Caldes d’Estrac, Spain, lgm@coac.net 2 Equip d’Arquitectura Pich-Aguilera, Barcelona, Spain, info@picharchitects.com 3 SosteniPrA Research Group (UAB-IRTA), Institute of Environmental Science and Technology (ICTA), Universitat Autònoma de Barcelona (UAB), Bellaterra, Spain, xavier.gabarrell@uab.cat, ramon.farreny@uab.cat, jordi.oliver@uab.cat, joan.rieradevall@uab.cat 4 Chemical Engineering Department. Universitat Autònoma de Barcelona (UAB), Bellaterra, Spain, xavier.gabarrell@uab.cat, joan.rieradevall@uab.cat 5 Dept Const.Arq.I, Universitat Politècnica de Catalunya UPC/ETSAB, Barcelona, Spain, joyce.debotton@upc.edu 6 Area Metropolitana de Barcelona, Barcelona, Spain 7 Department of Psychiatry, Hospital of Mataró, Mataró, Spain, 11740ebs@comb.es 8 Consultant in Mobility, Ingeniería de Tráfico SL (INTRA), Barcelona, Spain, thorson@ysi.es 9 President of the International Federation of Pedestrians, Zurich, Switzerland, www.pedestrians-int.org, secretary@pedestrians-int.org 10 Municipal engineer, Spain, ecot@caminos.recol.es 11 Ex-national-coordinator of “Unió de Pagesos” (“Union of Farmers”) Cities do not necessarily represent an unsolvable problem for a sustainable planning of life- they can even be part of the solution. Referring to determined parameters there is proposed a district that provides the area with a maximum rate of water, energy and food supply and covers also with the resulting residues on local level. For this purpose we chose a busy part of the town of Barcelona that currently runs a transforming process. The strategies, to accomplish the objectives exposed, are: - Creation of a new equilibrium among the built-up and the free areas. - Intensive net occupation of the building. - New relation among the diverse uses on the territory with the purpose not to provoke unwanted mobility. - Spatial and functional integration of the agriculture as an urban use of first need. All these objectives together will lead to some good connections with the adjacent neighborhoods and the city with its surrounding area in general. Moreover it will represent an environment of integrative and healthy characteristics for its inhabitants. This comes up from a wide range of yet existing initiatives of sustainable development in Barcelona. It is tried to have a sufficient size contained in the proposal to be able to investigate which is the most efficient scale of solution of the problems that is tried to approach (energy, water, wastes, mobility, integration of the agriculture, social inclusion ..... ) in line with the parameters that historically have governed the growth and evolution of the city and with the current initiatives that the City council already has in motion (bets by a dense urban model, promotion of new habits of mobitity for low environmental impact, experimentation with new forms of collection and valuation and appreciation of wastes, campaigns for the saving in the water consumption ... ) 09:20 20 mins SUSTAINABILITY EXPENSIVE ? THE COSTS OF ENERGETIC SUSTAINABILITY TRANSPARENT Adri Proveniers, Wim Schaefer, Petra Rovers, Rob van den Berg, Danny van der Weerdt Abstract: Keywords: Sustainability; Sustainable development; Decision-Making Support Model The overall climate is changing; the main cause of this change in climate is the increasing discharge of carbon dioxide. This increase in carbon dioxide is caused by using fossil energy, such as petroleum, coal and other natural sources. The culprit of this exuberant consumption of natural sources is the humanity. This applies particularly to the use of fossil fuels for generating energy. The requirements of the government concerning energetic sustainability for the housing market have risen year by year already, the legal regulations will only be stricter in the future. There is however still much more possible, for instance taking measures in energy supply, construction and ways to finance sustainability. In spite of this need to create sustainable residential areas, they stay away. Even if a project developer wants to build sustainable, costs will hold him back frequently. The most important reason is that the project developer cannot clarify the advantages of a sustainable house compared with a standard house, especially on the investment costs for the consumer. This research is supported by a project developer, which supported the decision making support model (DMSM). This model is an excellent tool to compare the costs between an energetically neutral house and a reference house which satisfies with the regard to the legal minimum, concerning a longer period of time. 09:40 20 mins THE DEMONSTRATION PROJECT AS ‘TOOL’ FOR CLIENT DRIVEN INNOVATION: EXPLORING THE POTENTIAL FROM A SWEDISH PERSPECTIVE Paula Femenias, Anna Kadefors, Michael Eden Abstract: There is a continued and increasing need for the building sector to engage in innovation in the coming years, in order to be comptetitive, adapt to societal changes, and deal with objectives for sustainable development of the built environment. The importance of active construction client leadership to support innovation in construction has been recognized in recent years. This paper presents a research project in which tentative client management guidelines for a systematic use of demonstration projects to support innovation and implementation of experiences will be tested in practice and further developed. The paper discusses experiences from earlier research on demonstration projects and describes how these have influenced the design of the new research project. Although experimental projects and demonstration projects have been central to the development of more sustainable building, there has often been a lack of influence on mainstream building practices. The shortcomings have been attributed to the project organization but can also explained by structural problems in the sector and in adjacent technical, organizational and institutional systems. Previous research has mainly focused on management processes and exchange within and between demonstration projects, and from demonstration projects to the mainstream. Less attention has been assigned to the relationship between demonstration projects and the internal processes of the actors involved. Thus, this project will investigate how demonstration projects relate to processes and innovation activities in client organizations. We expect to further develop the client management model to also adress internal and more permanent structures and activities. The project has been initiated by the Swedish Construction Clients Forum, and involves a core group of innovation driving clients in collaboration with researchers from Chalmers University of Technology.