1. Re-use, recyling and future of demolished buildings

2. construction and demolition waste (C&D)  2009 : 6,9 million t of C&D accrued in Austria   12% of the total amount of waste generated in Austria  Law since 2011: *) implentation of waste prevention programmes *) support of the life cycle thinking of products to reduce negative environmental impacts *)Strengthening of responsibility of producer  Until 2020: Austria commits itself to achieve a recycling rate of 70%  EU-Waste Framework Directive

3. Buildings in the course of times The increasing number of used building materials inhibits recycling Building constructed in 1900: 86% brickwork 5% stones & concrete 5% slag 3% wood 0,5% metals Building constructed in 1970: 40% brickwork 46% stones & concrete 5% slag 3% wood 2% metals

4. C&D waste in Austria in 2009 increasing of: C&D and Landfilled masses, decreasing of: free landfill capacity Nomenclature according to ÖNORM S2100 Rubble (without waste from building site) Roadway rubble /bitumen and asphalt concrete rubble track ballast waste from building site Quantity in (t) 3.200.000 1.300.000 1.700.000 370.000 300.000

5. Act on the Remediation of Contaminated Sites The ALSAG fee has to be payed for the insertion of residues above and below ground level; Exemption from ALSAG-fee, if  Quality assurance  Permissible at technical necessary extent  Approved building activity

6. Contaminants in buildings  Sanitary and electricity installation (e.g. PVC, heavy metals)  Tiles (e.g. heavy metals)  Gypsum plaster boards and planks (e.g. sulphate)  Window & doors (PVC)  Sealants and sealing sheets  Floor coverings  Wall & roof cladding  In further times these materials used to be appreciated but now they are contaminants

7. Recycling orientated dismantling The prospecting of contaminants avoids bad surprises  Consider historic usages  Site inspection  Develop sampling plan  Implement analytics  Develop concepts for dismantling  Develop wast management concept  Implement dismantling

8. Preparation of C&D waste / assessment of demolition work  Facturing – sieving – magnetic iron separator in mobile and stationary facilities  to produce pure and high – qualitative secondary resources  The recycling orientated dismantling and the separation of light weight fraction ensure a high qualitiy of the RC material

9. Product life cycles of Fate of contaminants in C&D waste  Point sources  Manual separation  Planar sources  Separation machines  For a high quality recyling ensures secondary resources for next generations  Merging energy & resource efficiency

10. Strategy for the sustainable use

11. Support market  Precise legal framework  Prohibition of landfilling recycable materials  Additional taxes on primary resources  Obligatory utilization rate for recycled materials in pubic construction ventures  Promotion of innovation for architects and planners  Promotion of innovation for companies regarding the development and production of recycled building materials

12. Support acceptance  Raise awareness for the conservation of resources in the construction industry  A precise legal framework supports the transition of C&D was from waste to product  Promotion of best-practice examples  Production of quality-controlled secondary raw materials  Promotion of the acceptance for secondary raw materials on the part of architects and planners

13. Support quality  Promotion of recyclable and dismantable building material  Implementation of building passport system for better documentation of materials in the building  Conduction of obligatory prospecting of contaminants before demolition  Promotion of the recycling orientated dismantling procedure  Promotion of preparation technologies  Strengthening of standardized quality assurance for RC material – quality protection for RC building materials

14. Measures along life cycle stages  Plan  Design for recycling concepts  Buildings pass  Subventions „buildings and sanify“  Ecologication of the Federal construction contacts Act  Building  Obligatory prospection of contaminants and valuables  Collaboration of building and waste management administration  Promotion of ecological housing advancement

15. Measures along life cycle stages  Dismantle  Determination für end of waste  Adaption of ALSAG-fee  Strengthening of demolition notification  Obligatory waste management concept for building sites  Recylce  Prohibition for landfillable material  Strenghtening of Quality assurance for RC material  RC quota for new buildings  Ecologication of building material industry

16. Thank you for your attention!