Prof. Dr. Ali Beba
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Transcript of Prof. Dr. Ali Beba
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Prof. Dr. Ali Beba
Seminar on Sustainable Buildings
Nicosia, Cyprus – 16/17 May
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Sustainability in Building
Significant improvements expected:
• By reducing the environmental impacts
• By anticipating and controlling long term costs
• By more taking into account social goals and consequences of a construction
SOCIALENVIRONMENT
ECONOMIC
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Sustainability and the Build Environment
Environmental– Huge long term storage of raw materials– Main responsible for the CO² emissions– Significant source of waste
Economic– 2 digit % of the economic activity– The main part of the household budget– A favorite choice for long term investment
Social– Creates social link or social discrimination– Protects or threatens inhabitants health– Transmits culture heritage to the future generations– Major employment offer
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Building materials are the basis for building performance
CEPMC - Council of European Producers of Materials for Construction:• Buildings contribute for more than 40% on EU’s energy consumption and
CO2-emission• 85% environmental load dwellings during the use phase: info technical &
environmental information• Selection of building products on environmental performance should be
done by assessment at building level• “Environmental Product Declerations” are the basis for the assessment:
LCA-based
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EPD’s in the Building Sector
Environmental Product Declaration– Many initiatives from industry, government programs, commercial interests,
etc.– Based on various, similar, sometimes comparable schemes– EPD’s already available in many EU-countries: Germany, France, UK, The
Netherlands, UK, Sweden, Denmark…– EPD data available; on-line. data base: Simapro; INIES, GABI, …..
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Many EPD’s already available
• In the Netherlands:• > 200 manufacturers• > 30 product groups: metals, bricks, roofs, insulation, etc.
• In Germany:• > 30 manufacturers• 9 product groups• • In France:• 40 EPD’s• 20 product groups
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Based on the premise that sustainable construction brings about the required performance with the least unfavorable environmental impact, while encouraging economic, social and cultural improvement at a local, regional and global level.
Aims:
• Examine the ability of the building to contribute to sustainable development with regard to environmental dimension
• Communicate and/or improve the building’s environmental performance of the building
ISO/TS 21931-1: Sustainability in Building Construction – Framework for Methods of Assessment for Environmental
Performance of Construction Works
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Aspects of Sustainable Buildings
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Minimum Requirements for the Assessment of the Environmental Performance of a Building
Valid for;
A) Newly built or refurbished buildings
B) Existing buildings (in chapter 5 of the ISO 21931)
• Documentation of the assessment method• Elements of the assessment method
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Issues for Environmental AssessmentEnvironmental performance will be assessed according to environmental issues that are of concern to the various interested parties:
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Issues of Concern - Environmental Impacts of Buildings
• Climate change, • destruction of ozone layer, • destruction of non-renewable sources, • formation of photochemical oxidants, • acidification of land and water and • eutrophication
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Issues of Concern - Environmental Aspects
Issues related to energy and mass flow during the life cycle
• Material use– Depletion of non-renwable resources– Use of renewable material resource– Use of substances classified as hazardous or toxic according to national
/ international regulation • Primary energy use
– Depletion of non-renewable primary energy– Use of renewable primary energy
• Water use• Land use• Waste production
– Reuse / recycling or energy recovery – Waste production for disposal
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Issues of Concern - Environmental Aspects
Issues related to local impacts• Soil• Ground water• Noise• Odours
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Issues of Concern - Environmental Aspects
Issues dealing with impacts on local environment
• Wind damage by the microclimate around building, including tunnel effect
• Load on infrastructure
• Sun shading and glare on the property in question and any neighbouring property
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• Limitation of waste production• Recovery of waste• Reduction of nuisances• Control / reduction of pollution• Water saving• Wastewater treatment• Maintenance• Rehabilitation of the environment to promote biodiversity• Environmental emergency management
Issues of Concern – Building Management
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• Indoor air quality• Quality of ventilation• Hygrothermal conditions (air temprature and humidity)• Noise and acoustics• Glare, access to daylight and extreior views• Quality of light • Odour conditions• Quality of water• Intensity of electromagnetic fields• Radon concentration• Hazardous substances• Existence of unwanted micro-organism
Issues of Concern – Indoor Environment
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Quantification of Environmental Performance
• Data quality• Transparency• Traceability• Reference levels • Weighting• Information sources
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Examples of Environmental Aspects
• Total CO2 emissions (environmental loadings)
• Contribution to climate change in terms of total CO2 equivalents (environmental impacts)
• Distance from the building to public transport services considering the route frequency (consequental indicator)
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Examples of Social Aspects
• Quality of buildings as a place to live and work• Building-related effects on health and safety of users• Barrier-free use of buildings • Access to services needed by users of buildings• User satisfaction• Social cohesion and participation of users and other intrested parties in the
building process • Architectural quality of buildings• Protection of cultural heritage
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Turkish Technology Platforms
– Automotive Technology Platform – Textile Technology Platform – Metal Technology Platform – Electric and Electronic Technology Platform– Marine and Sea Technology Platform – Energy Technology Platform – Pharmaceuticals Technology Platform
– Agriculture Technology Platform – Construction Technology Platform
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European Construction Technology Platform – ECTP (www.ectp.org)
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Turkish Construction Technology Platform (TCTP)
TCTP was established in November 2006 after a series of national meetings
Operating by a core-group of 4 institutions:
• Turkish Ministry of Public Works and Settlement • Chamber of Architects of Turkey (CAT) • Middle East Technical University (METU) Department of Architecture • Building Information Centre
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TCTP (www.tctp.org)
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Aims and Targets of the Turkish Construction Technology Platform
• Create a platform where all the actors of construction sector can come together for ideas exchange.
• Draw a road-map for the sector with an aim to develop short/medium/long term strategies.
• Encourage the sector members to have more active participation in the EU Framework Programs, as well as to search way for the more efficient use of national resources.
• Coordinate research work operated separately in various fields of the sector. • Encourage R&D work and to establish a dialogue for research-oriented
partnerships within the sector.
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Focused Area
•