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Re-use , recycling and future of demolished buildings. AGENDA. 1. HOLISTIC PROCEDURE. 2. SEPARATION. 3. RECYCLING & RE-USE. 4. LAWS & REGULATIONS. 5. FUTURE. HOLISTIC PROCEDURE. HOLISTIC PROCEDURE. Demolition. SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE.
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Re-use, recycling and future of demolishedbuildings.
1. HOLISTIC PROCEDURE. 2. SEPARATION. 3. RECYCLING & RE-USE. 4. LAWS & REGULATIONS. 5. FUTURE.
HOLISTIC PROCEDURE. Demolition SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 6
HOLISTIC PROCEDURE. • Demolition • using the gentlest way to demolish a building • using low-noise construction machines which • are up to date with the latest technology • not exceeding the legal maximum limit by • construction noise SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 7
HOLISTIC PROCEDURE. • Demolition • If pollutantswill be discovered during the • demolition or completely overlooked, it can have • serious consequences • cost risk • delays in the building process • additional costs for disposal • environmental risk SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 8
HOLISTIC PROCEDURE. Disposal SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. recycle old material, to offer it as good as new raw material, is not only a vision of the environmental movement, but it’s already a technical advanced reality and economic necessity. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 9
HOLISTIC PROCEDURE. Concept of disposal SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 10
HOLISTIC PROCEDURE. • Concept of disposal • The concept has to contain following information: • waste code/ waste identification • Description of the nature and composition of hazardous demolition material, including • analysis of results • Waste collecting points/ component • Estimated quantity of waste in tons • Disposal methods SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 11
HOLISTIC PROCEDURE. • European guidelines • the confederation create guidelines about • recycling of construction materials. • The aims • equivalent practice • expanding of the guidelines • common operating basics SEPERATION. RECYCLING AND RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 12
HOLISTIC PROCEDURE. • Categories for construction waste • Hazardous demolition waste • other hazardous waste • Non-hazardous demolition waste SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 14
HOLISTIC PROCEDURE. SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 15
HOLISTIC PROCEDURE. • Recyclable construction waste • construction and demolition wood • untreated wood • treated wood • cement • bricks SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 16
HOLISTIC PROCEDURE. • non-recyclable construction waste • asbestos cement • contaminated rubble • solvent-based paint • increased potential risk for humans and the • environment SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 17
HOLISTIC PROCEDURE. • Places for Seperation • 2748 Deponien in Gemany • 39,1 Mio. t input per year • Disposal companies specialize in • certain materials • Quelle: Statistisches Bundesamt SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 18
HOLISTIC PROCEDURE. http://www.recycling-bau.de/PDF/Gesamt_Praesentation.pdf SEPERATION. RECYCLING & RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 19
HOLISTIC PROCEDURE. cycle of building materials SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. FUTURE. Source: http://urban-mining.com/fileadmin/pdfs/vortraege2/Urban_Mining_Dechantsreiter_Bremen.pdf L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 21
HOLISTIC PROCEDURE. • advantages of recycling and re-use • saving natural ressources • waste prevention • energy saving • CO2 reduction SEPERATION. RECYCLING &RE-USE. LAWS ®ULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 22
HOLISTIC PROCEDURE. • prerequisites to be able to recycle and re-use • before starting demolition, it has to be secured how to get best results of an unmixed demolition waste • reusable components will be dismantled • recycling-oriented deconstruction SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 23
HOLISTIC PROCEDURE. • problems of recycling • the material properties deteriorate • „downcycling“ • irreversible material composites • increasing importance in „energy-efficient construction“ • of buildings SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 24
HOLISTIC PROCEDURE. materials to re-use SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. steel girders roofing tile pipelines FUTURE. wooden beams sanitary facilities windows / doors L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 25
HOLISTIC PROCEDURE. • materials to re-use • sale of re-useable components: • component exchanges (e.g.: www.bauteilnetz.de) • classified advertisements • scap metal dealers • also a free disposal can be useful to reduce the demolition costs SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 26
HOLISTIC PROCEDURE. • recycling- and re-useable materials • in new buildings • recycling-materials are especially used in • infrastructural measures • increasing sense of responsibility of contracting authorities are necessary for reaching higher recycling rates! SEPERATION. RECYCLING &RE-USE. LAWS & REGULATIONS. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 27
HOLISTIC PROCEDURE. • Directive 2008/98/EC on waste • basis for the national law of the EU Member • States concerning the waste management • requires that EU member states adopt it in their • national law • Intention: waste management without • endangering human health and harming • the environment • Objective: 70% minimum recycling rates • preparing for re-use, recycling and other • recovery of construction and demolition waste SEPERATION. RECYCLING &RE-USE. LAWS. EU. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 29
1. Prevention HOLISTIC PROCEDURE. • The 5-steps hierarchy 2. Preparing for Re-use SEPERATION. 3. Recycling RECYCLING &RE-USE. 4. Recovery LAWS. EU. 5. Disposal FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 30
HOLISTIC PROCEDURE. • KrWG (Recycling management law) • the German “answer” of the EU Directive • modernized the existing German waste law • and will become effective in June 2012 • Intention: • - Increase the Recycling rate of construction & • demolition waste - resource efficiency • the waste hierarchy is applied SEPERATION. RECYCLING &RE-USE. LAWS. EU. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 31
HOLISTIC PROCEDURE. • Other National laws & regulations • KrWG is supplemented by a series of • ordinances about guidelines & operating rules • - Waste Catalogue • Other National laws • 1. Industrial Waste law • - regulations about the disposal of industrial, • construction & demolition waste • 2. Regulation groundwater, • alternative construction material, • soil protection • in addition to the federal law there are several • regulations and administrative provisions • of the seperate 16 states SEPERATION. RECYCLING &RE-USE. LAWS. NATIONAL. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 32
HOLISTIC PROCEDURE. • FUTURE. • Finite resources of relentless domestic construction minerals • responsibility for sustainability in the next generation • reduce the volume of waste and the closure • of material cycles • where it´s reasonable and possible. SEPERATION. RECYCLING &RE-USE. LAWS. EU. FUTURE. L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite 34