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Abukhder, J S A (2004) A study of the management process on construction projects, and the development of a new notation system, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Al-Hajj, A N (1991) Simple cost-significant models for total life-cycle costing in buildings, Unpublished PhD Thesis, , University of Dundee.
Almalki, T S (2015) A study of the influence of trust on the relationships between team members in engineering projects, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Asif, M (1988) Simple generic models for cost-significant estimating of construction project costs, Unpublished PhD Thesis, , University of Dundee.
- Type: Thesis
- Keywords: accuracy; commercial; complexity; estimating; feedback; pricing; reinforced concrete; sewers; unit rates; estimator; design process
- ISBN/ISSN:
- URL: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.330103
- Abstract:
In this thesis, a new breed of hierarchical cost models is developed whose accuracy and complexity can be adjusted to suit the quality of data available at each stage of the design process. In their most detailed form, these models are as accurate as conventional ones but considerably simpler. The principle of cost-significance, which is used to derive the models, is explained. The models are based upon the finding that for defined project categories identical cost-significant work packages (CSWP) can be derived which contribute a constant fraction of the total project value. The techniques used to develop the models are described. A suite of cost models has been produced for three project categories; reinforced concrete bridges, major roads and trunk sewers. Each model comprises a few (no more than 27) CSWPs which need to be priced. The total value of the CSWPs is divided by an associated cost model factor to predict the total project value. The cost model factor represents the proportion of value contributed by the CSWPs. The ability of the models to predict total bill values was tested on virgin bills. The achieved accuracy was within ±7% (for two thirds of cases) at the detailed design stage and within ±8% (for two thirds of cases) at the feasibility design stage. The detailed model for bridges has been incorporated in a commercial estimating software package called BRIDGET. The software package is described. The variability of unit rates applied to cost-significant and non-cost-significant items (CSI) has been studied. Generally, unit rates applied to non-CSIs vary up to three times as much as unit rates applied to CSIs. Moreover, the difference in unit rates between similar CSIs is of no greater order than the typical fluctuations in rates expected from one tender to another in pricing a CSI. Since the CSWPs relate to the way costs are incurred on site the models can be used to compare estimated and actual costs and can provide an effective mechanism for feedback to estimators.
Chitengi, H S (2015) Deriving lessons for urban planning and housing delivery from the resilience of informal housing systems in Zambia, Unpublished PhD Thesis, School of Social Sciences, University of Dundee.
Forbes, D (2008) Identification and analysis of risks in the sustainability assessment of housing, Unpublished PhD Thesis, , University of Dundee.
Gaber Abubakar, A (2016) Factors affecting maintenance labour productivity in the building industry, Unpublished PhD Thesis, Division of Civil Engineering, University of Dundee.
Hossain, M K (2015) Investigating the relationship between the culture of construction project-based organisations and the implementation of building information modelling, Unpublished PhD Thesis, School of Science and Engineering, University of Dundee.
Jarkas, A M (2005) An investigation into the influence of buildability factors on productivity of in situ reinforced concrete construction, Unpublished PhD Thesis, Division of Civil Engineering, University of Dundee.
Kiwan, M S A A (1994) Integration of building design and construction information: A neutral object-oriented model, Unpublished PhD Thesis, , University of Dundee.
McGowan, P H (1994) Integrated cost and time models for measuring, valuing and controlling construction projects, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Noor, I (1992) A study of the variability of labour productivity in building trades, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Pearson, A D (2014) An investigation of climatically responsive ultra-low energy housing in rural Scotland: a case study, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Radosavljevic, M (2003) Chaos in construction: labour productivity and its impact on planning and organisation of firms, Unpublished PhD Thesis, Division of Civil Engineering, University of Dundee.
Saket, M M (1986) Cost-significance applied to estimating and control of construction projects, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Simon, M (2010) The commitment to corporate social responsibility of construction companies in the United Kingdom and Germany, Unpublished PhD Thesis, , University of Dundee.
Taha, M (2022) Identifying legal frameworks impacting institutional investors' participation in infrastructure projects, Unpublished PhD Thesis, , University of Dundee.
Talhouni, B T K (1990) Measurement and analysis of construction labour productivity, Unpublished PhD Thesis, Department of Civil Engineering, University of Dundee.
Thomson, C S (2006) A study of the innovation process within the construction project environment, Unpublished PhD Thesis, Division of Civil Engineering, University of Dundee.
Ward, S A (2015) Critical success factors for lean construction intervention, Unpublished PhD Thesis, Division of Civil Engineering, University of Dundee.
Whitehead, R C (1995) Factors influencing labour productivity on construction sites, Unpublished PhD Thesis, , University of Dundee.
Zakieh, R (1991) Quantity-significance and its application to construction project modelling, Unpublished PhD Thesis, , University of Dundee.