re-use , recycling and future of demolished buildings

1. HOLISTIC PROCEDURE.5. FUTURE. 4. LAWS & REGULATIONS.3. RECYCLING & RE-USE.2. SEPARATION.

HOLISTIC PROCEDURE.

Demolition

FUTURE.LAWS &REGULATIONS.RECYCLING AND RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

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


Demolition

If pollutants will be discovered during thedemolition or completely overlooked, it can haveserious consequences

cost risk delays in the building process additional costs for disposal environmental risk


Disposal

FUTURE.LAWS &REGULATIONS.RECYCLING AND RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *recycle old material, to offer it as good as new raw material, is not only a vision of the environmental movement, but its already a technical advanced reality and economic necessity.

Concept of disposal


materialoriginquantityClassifi-cationprepara-tioncommentconcretestairs, ceiling3.800 tZ1.1material to be screeneddeclarationconcreteworkshop, floor100 tZ2material to be screeneddeclaration, removalwoodfloor, roof2,5 - 7 tA IIcontainerremovalplaster-boardwalls20 tA IVcontainerremoval

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 methodsFUTURE.LAWS & REGULATIONS.RECYCLING AND RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

European guidelines

the confederation create guidelines aboutrecycling of construction materials.

The aims equivalent practice expanding of the guidelines common operating basics

FUTURE.LAWS & REGULATIONS.RECYCLING AND RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

Categories for construction waste

Hazardous demolition waste other hazardous waste Non-hazardous demolition waste

FUTURE.LAWS & REGULATIONS.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *


Diagramm1

0.562

0.006

0.361

0.076

Quelle:Statistisches Bundesamt

Composition of construction and demolition waste

Composition of construction and demolition waste (about 200 Mio. T Million per year)

Tabelle1

Composition of construction and demolition waste

Soil and stones56.20%

Gypsum-based construction1%

Construction waste36.10%

Road construction7.60%

Ziehen Sie zum ndern der Gre des Diagrammdatenbereichs die untere rechte Ecke des Bereichs.

Recyclable construction waste construction and demolition wood untreated wood treated wood cement bricks


non-recyclable construction waste

asbestos cement contaminated rubble solvent-based paint

increased potential risk for humans and the environmentFUTURE.LAWS & REGULATIONS.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

Places for Seperation

2748 Deponien in Gemany 39,1 Mio. t input per year Disposal companies specialize in certain materials

Quelle: Statistisches BundesamtFUTURE.LAWS & REGULATIONS.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

http://www.recycling-bau.de/PDF/Gesamt_Praesentation.pdfFUTURE.LAWS & REGULATIONS.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

Diagramm1

0.734

0.207

0.059

Reuse, recycling and disposal ofConstruction waste (57.1 million tonnes) in 2006

Re-use, recycling and disposal ofConstruction waste (57.1 Mio. t) in 2006

Tabelle1

Reuse, recycling and disposal ofConstruction waste (57.1 million tonnes) in 2006

Recycling73.40%

Re-use20.70%

Disposal5.90%

4. Quartal1.2

Ziehen Sie zum ndern der Gre des Diagrammdatenbereichs die untere rechte Ecke des Bereichs.

cycle of building materials

FUTURE.LAWS & REGULATIONS.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *Source: http://urban-mining.com/fileadmin/pdfs/vortraege2/Urban_Mining_Dechantsreiter_Bremen.pdf


advantages of recycling and re-use

saving natural ressources waste prevention energy saving CO2 reduction


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


problems of recycling

the material properties deteriorate downcycling

irreversible material composites increasing importance in energy-efficient construction of buildings


materials to re-use

steel girders roofing tile pipelines wooden beams sanitary facilities windows / doors


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


recycling- and re-useable materialsin new buildings

recycling-materials are especially used in infrastructural measures

increasing sense of responsibility of contracting authorities are necessary for reaching higher recycling rates!

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

FUTURE.LAWS. EU.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

The 5-steps hierarchy


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


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

FUTURE.LAWS. NATIONAL.RECYCLING & RE-USE.SEPERATION.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *

FUTURE.

Finite resources of relentless domestic construction minerals responsibility for sustainability in the next generationreduce the volume of waste and the closure of material cycles

where its reasonable and possible.

FUTURE.LAWS. EU.L. Weimann, C. Layer, S. Jordan, P. Malguth, K. Hierlemann 12.03.2012 - Seite *RECYCLING & RE-USE.SEPERATION.

*******************Recycling WiederverwendungGrundstoffe Baustoffe Bauteile Gebude Abbruch Kompostierung Deponierung/Verbrennung

Here is the cycle of building materials pictured. When you are planning to demolish a building, there are three options/(alternatives) how to process the various components of the building.The first option is to crush the components by shredding or similar processes. By choosing this option, the materials can be stored in a landfill and parts of it can be combust.The second opportunity is, to recycle the used materials. Recycling means to prepare waste materials in order to use them again. This can be either the preparation for the original purpose or for another usage.To re-use some components is the third way to process the used materials. Re-use means to use different construction parts of buildings in their original form once again.As you can see, recycling and re-use of building materials are in the cycle, in contrast to the landfill and combustion. Thats why recycling and re-use are environmental-friendlier than combustion, especially because you are saving natural resources.

*In addition to conserving the natural resources, some further advantages are the waste prevention, the energy saving and the reduction of CO2-emissions.

Abfallvermeidung Schonung der Naturressourcen Energieeinsparung CO2-Verringerung

*before starting demolition, it has to be secured how to get best results of an unmixed demolition wasteThe reusable components have to be dismantled first. According to this, you can start with the recycling-oriented deconstruction. That means, you dont destroy the building all at once, but layer by layer for separating various materials.*When you look at what we talked to you, its a good question to ask, why not all materials go through the re-use or recycle-processes I told you about:One problem is, that the materials properties getting worse through the recycling process. This procedure is calling downcycling, what means that the quality of recycled material is worse than new material.Especially glass and plastics loosing their material properties significantly. In contrast to this, metals are more suitable to recycle.Another problem are the irreversible material-composites. For recycling it is necessary to separate the several materials of a construction part. This problem is gaining in importance especially in the energy-efficient constructions.

*Here you can see some examples of materials you can re-use: You can re-use steel girders, because steel is really long-lastingRoofing tiles are also good to re-use.Different metal parts, like pipelines but also massive wooden beams and parquet floors are suitable materials to re-use as well as different sanitary facilities like a tap.Undamaged windows and doors are also qualified to re-use.But still remind. Re-use depends always on the age and condition of the building and its compositions.

*Used components can be received in component exchanges online (like the german website bauteilnetz.de), on classified advertisements for example in newspapers or by asking a scap metal dealer When you have to demolish a building, you have to consider that also a free disposal of used components can be useful to reduce the demolition costs.

*When you want to build a new building, materials have to be chosen faithfully which parts have to be new and which other parts can be build with re-used or recycled parts.Recycling-materials could be used especially in the infrastructural measures.Thats why a greater sense of responsibility of the contracting authority is necessary to reach a higher recycling rate! (Bund, Lnder, Kommunen federal states and local governments)

In besonderer Verpflichtung, Ressourcen durch die Bevorzugung von Recycling-Baustoffen zu schonen, sahen die Teilnehmer des Kongresses die ffentlichen Auftraggeber, da Recycling-Baustoffe insbesondere bei Infrastrukturmanahmen Verwendung finden knnen. Die Kongress- teilnehmer forderten insbesondere mehr Verantwortungsbewusstsein bei den ffentlichen Auftraggebern. Es wurde auch diskutiert, ob die EU-Kommission verbindliche Regelungen fr die Verwendung von Recycling-Baustoffen bei ffentlichen Bauvorhaben schaffen sollte. Ohne Marktanreize und eine entsprechende Nachfrage ffentlicher Auftraggeber wird die in der EG-Abfallrahmenrichtlinie fr das Jahr 2020 geforderte Recycling-Quote von mindestens 70 % nicht erreichbar sein, so waren sich die Teilnehmer des Kongresses einig.

**- EU-regulations- also called as the Waste Framework Directive- came into effect in 2008 sets the basic concepts and definitions related to waste management, such as definitions of waste, recycling, recovery it explains when waste ceases to be waste and becomes a secondary raw material Directive lays down some basic waste management principles and thats the intention of that Directive

it requires that waste be managed without endangering human health and harming the environment, and in particular without risk to water, air, soil, plants or animals and without adversely affecting the countryside or places of special interest.

One of the most important goal (recycling and recovery targets) concerning the Recycling of construction and demolished waste is the 70% minimum recycling rates.. to be achieved by 2020: 70% preparing for re-use, recycling and other recovery of construction and demolition waste *EU-regulations

Waste legislation and policy of the EU Member States shall apply as a priority order the following waste management hierarchy, written in the EU-Directive: 1. Prevention before 2. Preparing for Re-use 3. before Recovery (f.e.energy recovery) before Disposal (like thermal treatment or mechanical-biological treatment for further utilization or disposal), so the most important goal to achieve is the prevention and as the last opportunity

- Deviations from this hierarchy are possible with regard to environmental issues and on the basis of assessments of the entire life cycle of products (so ecological, economical and social issues)*- National laws & regulations

Basically you can currently say that there are at the moment a plenty of laws in process so Ive selected the most important German law, the Kreislaufwirtschaftsgesetz (like Recycling management law) besides the important law each state has their own specific rules and regulations (and we do have 16)

the Recycling management law is based on the EU Directive 2008 resource efficiency: of such high quality as possible**What about the future? *5) What about the future?

A change to our local Recourcenschonung finite construction minerals responsibility for sustainability in the next generation to reduce the volume of waste and the closure of material cycleswhere it is reasonable and possible.

Ein Wandel zur Recourcenschonung unserer einheimischen endlichen Baurohstoffe Zur Nachhaltigkeit in Verantwortung fr die kommende Generation zur Senkung des Aufkommens von Abfllen und zur Schlieung von Stoffkreislufen dort wo es sinnvoll und mglich ist.**

re-use , recycling and future of demolished buildings

Documents

laws regulations

recycling reuse

construction noisefuture

construction waste36

demolition wastesoil

analysis of results

old material

concept of disposalfuture