Page 10 - Open-Access-Jan-2020
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point of view



         The selling prices of secondary construction products is largely
         following the same trend as primary ones as long as recycled
         aggregates are well characterised and fit for purpose.

         Taking into account the local market conditions including the
         competition from non-recycling activities, economic viability of
         CDW recycling can be synthesised as follows:

           LOCaL MaRKEt     LaNdfILL taxES aNd GatE fEES fOR
             CONdItIONS              INCOMING CdW
                                  LOW             HIGH
          Average     Low   Poor economic     Economic
          aggregates        viability of      viability but no     Figure 5: CDW recycling plant in a semi-urban area, Pietrasanta
          selling price     recycling         development of                 (Tuscany, Italy) ©Pescale S.p.a., 2002.
                                              quality recycling
                                                                In this regard, public perception, awareness and acceptance
                      High  Economic viability   High economic
                            with development   viability and    of CDW recycled materials and activities must be addressed
                            of quality recycling   development   by authorities and opinion leaders in order to emerge from
                            but subject to    of recycling      the ‘ecological paradox’ where, recycling is openly supported
                            regular capitation   quantitatively   in principle, but recycling activities and recycled products
                            of CDW            and qualitatively  are simultaneously and systematically decried; both of these
                                                                behaviours being justified by environmental concerns.
         This largely explains the diversity of the level of development
         of CDW recycling activities in the EU and even within the EU   4.3 total Quality Management of CDw
         countries themselves, beyond the regulatory aspects alone or   Recycling, an Essential Confidence-Building
         the level of sector’s awareness .                      tool
                                 27
                                                                Beyond environmental management, CDW recycling companies
         4.2 the Challenge of Acceptance of CDw                 shall conduct total quality management policy according to
         Recycling Activities and Products: the                 international standards , which ensures quality of products,
                                                                                  28
         ‘ecological Paradox’                                   transparency and traceability along the processes and
                                                                encompasses health and safety management towards workers
         Clearly, one of the main ways to ensure the economic viability   and local residents.
         of a CDW collection and recycling business is to place
         the operation close to an urban area that is very active in   This total quality management requires full command of the
         construction and demolition.                           incoming CDW through identification and recording of origins
                                                                and natures after physical inspection at the entrance. To avoid
         In this regard, it is essential that local authorities reserve   pollution of recyclable CDW, operators shall contract common
         sufficient space to CDW recycling facilities in urban areas   procedures with demolishers who feed their recycling facilities
         through anticipation of the needs in their urban planning   in order to guarantee selective sorting and hazardous waste
         documents and by issuing operating permits accordingly.  exclusion on demolition yards.

         This raises the issue of the acceptance of such a basic industrial   Harmonised European standards that apply to primary materials
         activity among urban or suburban communities whereas   also apply to CDW recycled materials. Construction Products
         handling CDW and other bulk mineral materials cannot be   Regulation  (CPR) lays down harmonised rules for the marketing
                                                                         29
         welcomed with its associated potential environmental nuisances   of construction products in the EU. It provides a common
         such as lorry traffic, noise and dust and even the suspicion of   technical language to assess the performance of construction
         hazardous waste such as, for example, asbestos. To overcome   products. CDW recycled materials must be assessed in
         the NIMBY (Not In My Back Yard) effect against these activities,   accordance with requirements of European product standards,
         operators must conduct a genuine company policy with respect   when covered by them. Recycled aggregates are placed on the
         to environmental protection and concertation towards nearby   market with their Declaration of Performance (DoP) and have to
         residents.                                             be CE-marked to increase transparency.

         27  Bilsen V., Debergh P., Kallay T. K., Laureysens I., Meindert L., Nemlen D., Pollitt H., Sørensen S. Y., Szuppinger P., Van Acoleyen M., Vanderreydt I.,
          Vermeulen J. (2014) Analysis of certain waste streams and the potential of Industrial Symbiosis to promote waste as a resource for EU Industry.
         28  Quality management systems such as ISO 9000, and environmental management systems such as ISO 14001 and EMAS, occupational health and
          safety at work management systems such as ISO 45001.


      14    The IndIan ConCreTe Journal | JanuarY 2020
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