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Abdi, A (2014) Efficient winter road maintenance: A study of technical and contractual issues, Unpublished PhD Thesis, TRITA-TSC-PHD, KTH Royal Institute of Technology.
Anund Vogel, J (2020) Incentivising Innovation in the Swedish Construction Industry, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Borg, L (2015) Procurement contracts, innovation and productivity in the construction sector: Five studies, Unpublished PhD Thesis, TRITA-FOB-DT, KTH Royal Institute of Technology.
Brunes, F (2015) Essays on behavioural economics and cost overuns, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Butt, A A (2014) Life cycle assessment of asphalt roads: Decision support at the project level, Unpublished PhD Thesis, TRITA-TSC-PHD, KTH Royal Institute of Technology.
Clausen Mork, J (2012) Dealing with uncertainty, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Eliufoo, H K (2005) Knowledge creation and transfer in construction organisations in Tanzania, Unpublished PhD Thesis, Trita-BFE, KTH Royal Institute of Technology.
Faith-Ell, C (2005) The application of environmental requirements in procurement of road maintenance in Sweden, Unpublished PhD Thesis, Trita-LWR. PHD, KTH Royal Institute of Technology.
Francart, N (2021) Decision support for the implementation of low-carbon measures in the building sector, Unpublished PhD Thesis, TRITA-ABE-DLT, KTH Royal Institute of Technology.
Gohardani, N (2014) An approach towards sustainable building, Unpublished PhD Thesis, TRITA-BYTE, KTH Royal Institute of Technology.
Högberg, L (2014) Building sustainability: Studies on incentives in construction and management of real estate, Unpublished PhD Thesis, TRITA-FOB, KTH Royal Institute of Technology.
Hedborg, S (2022) ”It’s in the between”: Inter-Project Organising in Project Ecologies, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Irumba, R (2015) Modelling of construction safety performance and housing markets in kampala, Uganda, Unpublished PhD Thesis, Trita-KTH-CEFIN-DT, KTH Royal Institute of Technology.
Jägbeck, A (1998) IT support for construction planning: A system design based on integrated information, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Karhu, V (2001) A generic construction process modelling method, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Löfgren, A (2008) Making mobile meaning: Expectations and experiences of mobile computing usefulness in construction site management practice, Unpublished PhD Thesis, Trita-IEO, KTH Royal Institute of Technology.
Laitinen, J (1998) Model based construction process management, Unpublished PhD Thesis, , KTH Royal Institute of Technology .
Leiringer, R (2003) Technological innovations in the context of public-private partnership projects, Unpublished PhD Thesis, TRITA-IEO, KTH Royal Institute of Technology.
Lindblad, H (2019) BIM in translation: Exploring client organisations as drivers for change in construction, Unpublished PhD Thesis, TRITA-ABE-DLT, KTH Royal Institute of Technology.
Lindfors, C (2003) Process oriented information management in construction, Unpublished PhD Thesis, TRITA-IEO, KTH Royal Institute of Technology.
Marteinsson, B (2005) Service life estimation in building design: A development of the factor method, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Mirzadeh, I (2014) More roads for the money, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Ntiyakunze, S K (2011) Conflicts in building projets in Tanzania: Analysis of causes and management approaches, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Nyström, J (2007) Partnering: Definition, theory and evaluation, Unpublished PhD Thesis, Trita-BFE, KTH Royal Institute of Technology.
Parsanezhad, P (2019) Towards a BIM-enabled facility management: Promises, obstacles and requirements, Unpublished PhD Thesis, TRITA-ABE-DLT, KTH Royal Institute of Technology.
Pourghazian, H (2008) Industrial construction methods for cost-effective and sustainable multi-storey buildings, Unpublished PhD Thesis, Meddelande. Institutionen för byggvetenskap, KTH Royal Institute of Technology.
Schönbeck, P (2022) Data based configuration decisions in hospital construction projects, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Stenbeck, T (2007) Promoting innovation in transportation infrastructure maintenance: Incentives contracting and performance based specifications, Unpublished PhD Thesis, Trita-BKN. Bulletin, KTH Royal Institute of Technology.
- Type: Thesis
- Keywords: bidding; civil engineering; compliance; decision making; incentive contract; innovation; payment; performance; performance-based specification; politics; specifications; technology transfer; traffic; civil engineer; contractor; owner; case study; weather;
- ISBN/ISSN:
- URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4311
- Abstract:
Knowledge of what action that is needed to drive innovation at a desired speed is in demand in civil engineering and its related maintenance. 1. What measures to stimulate innovation have been tested? 2. How much innovation has been achieved by contracting? 3. How much innovation was achieved by performance-based specifications? 4. How can cost models contribute to innovation? Methods include qualitative and quantitative methods that have been timed and mixed to optimize their merits. Sweden, France, USA and Canada have used as research ground. Technology transfer, multi-criteria evaluation, variant bidding, idea mailbox, weather regulated payment, contests and earmarked funds for innovative projects were some of the method beside and within contracting and performance-based specifications that have been tested. Contracting as such has cut costs in Sweden but not in North America. Neither Sweden nor North America has noticed any increase of innovation, rather the contrary. The savings have primarily been achieved by cuts on staff and by using standardized, less expensive and less advanced machinery. Contracted highway maintenance provinces in Canada and Sweden on average had about 50 % higher costs than inhouse provinces and Washington State. The difference is reduced to 26 %, when corrected by weather and the higher traffic in the contracted provinces. Prestige, politics and competitivity made it difficult to extract economic data from private contractors, and even from the public owners and may explain the contradictory results in previous studies. The internally driven innovation appears small and incentives to innovation weak in inhouse systems, but contrary to expectation even less in contracted systems. Performance-based specifications (PBS), such as Design-Build (DB), have reduced delivery times and kept the budget better than traditional contracts, but quality, lifecycle cost and technical progress was rarely analyzed and even less confirmed in the literature, why a multiple case study was carried out. The result was that three out of four PBS cases delivered lower quality in the long run or showed higher costs already on the opening day, when compared to a traditional contract alternative. Cost models contribute to innovation by making regions with different conditions comparable and provide tools for rational planning and decision making. One model for how highway maintenance costs depend on snow, bridges and traffic and one model for how bridge maintenance costs depend on size and age were elaborated. Models included in contracts, e.g. to allow a contractor to reduce the weather risk, appear to have contributed to a more successful contracting rollout in Sweden than in Canada. France provides experience of how inhouse innovation contests and industry-own patent-like routines can promote innovation. After the first two years with an incentive contract, Banverket received 10 % better quality measured as train delay and 20 % better quality measured as the number of technical errors at no cost. A lesson learnt is that the success of performance-based specifications depends on how well the owner can describe and define the contracts, how compliance is measured and how deviations are handled, i.e. how the contractor is penalized for non-fulfillment or awarded for excess delivery
Tarandi, V (1998) Neutral intelligent CAD communication: Information exchange in construction based upon a minimal schema, Unpublished PhD Thesis, , KTH Royal Institute of Technology.
Uggla, G (2021) Model and reality: Connecting BIM and the built environment, Unpublished PhD Thesis, TRITA-ABE-DLT, KTH Royal Institute of Technology.
Unger, C (2006) Industrialised house building: Fundamental change or business as usual?, Unpublished PhD Thesis, Trita-IEO, KTH Royal Institute of Technology.
Uttam, K (2014) Seeking sustainability in the construction sector: Opportunities within impact assessment and sustainable public procurement, Unpublished PhD Thesis, TRITA-LWR. PHD, KTH Royal Institute of Technology.
Vass, S (2017) The business value of BIM: Elaborating on content and perspective, Unpublished PhD Thesis, TRITA-FOB, KTH Royal Institute of Technology.
Warsame, A (2011) Performance of construction projects: Essays on supplier structure, construction costs and quality improvement, Unpublished PhD Thesis, TRITA-FOB, KTH Royal Institute of Technology.
Zika-Viktorsson, A (2002) The industrial project. Studies of the work situation of project members, Unpublished PhD Thesis, Trita-MMK, KTH Royal Institute of Technology.