/npsi/ctrl?lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?lang=fr Access and use of this website and the material on it are subject to the Terms and Conditions set forth at http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://dx.doi.org/10.3763/aedm.2010.IDDS1Architectural Engineering and Design Management, Special Issue: Integrated Design and Delivery Solutions, pp. 232-240, 2010-11-01 Challenges for integrated design and delivery solutions Owen, R.; Amor, R.; Palmer, M.; Dickinson, J. K.; Tatum, C. B.; Kazi, A. S.; Prins, M.; Matthijs, K.; Arto, E. B. The material in this document is covered by the provisions of the Copyright Act, by Canadian laws, policies, regulations and international agreements. Such provisions serve to identify the information source and, in specific instances, to prohibit reproduction of materials without written permission. For more information visit http://laws.justice.gc.ca/en/showtdm/cs/C-42Les renseignements dans ce document sont protégés par la Loi sur le droit d'auteur, par les lois, les politiques et les règlements du Canada et des accords internationaux. Ces dispositions permettent d'identifier la source de l'information et, dans certains cas, d'interdire la copie de documents sans permission écrite. Pour obtenir de plus amples renseignements : http://lois.justice.gc.ca/fr/showtdm/cs/C-42 Challenges for I ntegrated Design and Delivery Solutions AbstractA new approach of Integrated Design and Delivery Solutions (IDDS) aims to radically improve the performance of the construction industries. IDDS builds upon recent trends in the construction industries that has seen the widespread adoption of technologies such as Building Information Modelling (BIM) and innovative processes such as Integrated Project Delivery (IPD). However, these innovations are seen to develop in isolation, with little consideration of the overarching interactions between people, process and technology. The IDDS approach is holistic in that it recognises that it is only through a combination of initiatives such as skill development, process reengineering, responsive information technology, enhanced interoperability and integrating knowledge management, amongst others, that radical change can be achieved. To implement IDDS requires step changes in many project aspects and this gap between current performance and that required for IDDS is highlighted. The research required to bridge the gaps is identified in four major aspects of collaborative processes, workforce skills, integrated information, and knowle...

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Purpose A paradigm in circular economy (CE) is that suppliers retain ownership of their products and materials, and that the users “only” pay for services. In many legal systems, however, elements incorporated in a building are considered to be fixtures, and therefore legally part of the building. This means that ensuring multi-cyclic behaviour of individual building elements (e.g. the facade or a window) is not so evident. This paper explores, from the perspective of Dutch law, how to secure the ownership of the supplier or to find alternatives within the existing system of property law. Design/methodology/approach The authors performed a literature review of both CE and (Dutch) property law. The results of these reviews are discussed and illustrated by legal case studies. Findings The options principally advocated within CE to retain ownership of building parts leave legal uncertainties and do not offer a solid basis for the development of circular business models, especially considering immovables and fixtures. For these categories, buy-back and take-back contracts, and models for reuse and recycling seem more promising. Research limitations/implications The research is limited to a literature review. Although the legal principles discussed in this paper are valid for both civil and common law systems, and similar findings might, therefore, be expected internationally, this study focused on the specific Dutch legal context. Comparative legal research and research of best practices in the building industry is needed to test the applicability of the findings in an international context. Practical implications Following the findings, CE initiatives within real estate and the construction industry should focus on alternative implementations of the operational lease concept, taking into account CE’s ambitions to reduce the extraction of raw materials. Originality/value At the moment the challenges that property law poses CE, real estate and operational lease are hardly discussed within the literature. This paper explores this gap.

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