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Agha, R H M and Hussein, A N (2024) Adaptation re-use of traditional cafés in Erbil, Iraq. International Journal of Building Pathology and Adaptation, 42(01), 153-74.
Ben Mahmoud, B, Lehoux, N and Blanchet, P (2024) Integration mechanisms for material suppliers in the construction supply chain: a systematic literature review. Construction Management and Economics, 42(01), 70–107.
Bertolin, C and Berto, F (2024) Sustainable management of heritage buildings in long-term perspective (SyMBoL): current knowledge and further research needs. International Journal of Building Pathology and Adaptation, 42(01), 1-17.
Bertolin, C and Sesana, E (2024) Natural hazards affecting cultural heritage: assessment of flood and landslide risk for the 28 existing Norwegian stave churches. International Journal of Building Pathology and Adaptation, 42(01), 48-91.
Choudhary, R and Tian, W (2014) Influence of district features on energy consumption in non-domestic buildings. Building Research & Information, 42(01), 32-46.
Denny-Smith, G, Williams, M, Loosemore, M, Sunindijo, R Y and Piggott, L (2024) What social value do Indigenous contractors create?. Construction Management and Economics, 42(01), 16–34.
Dykes, C and Baird, G (2014) Performance benchmarks for non-domestic buildings: towards user perception benchmarks. Building Research & Information, 42(01), 62-71.
Hong, S-M, Paterson, G, Mumovic, D and Steadman, P (2014) Improved benchmarking comparability for energy consumption in schools. Building Research & Information, 42(01), 47-61.
Isaacs, N and Hills, A (2014) Understanding the New Zealand non-domestic building stock. Building Research & Information, 42(01), 95-108.
Kourkoulis, S K, Pasiou, E D, Markides, C F, Loukidis, A, Stavrakas, I and Triantis, D (2024) The determination of mode-I fracture toughness (by means of the Brazilian disc configuration) in the light of data provided by the 3D digital image correlation technique. International Journal of Building Pathology and Adaptation, 42(01), 175-92.
Liddiard, R (2014) Room-scale profiles of space use and electricity consumption in non-domestic buildings. Building Research & Information, 42(01), 72-94.
Manara, N, Rosset, L, Zambelli, F, Zanola, A and Califano, A (2024) Natural climate reconstruction in the Norwegian stave churches through time series processing with variational autoencoders. International Journal of Building Pathology and Adaptation, 42(01), 18-34.
Menconi, M, Painting, N and Piroozfar, P (2024) An energy performance baseline scenario for 19thC listed dwellings in the UK. International Journal of Building Pathology and Adaptation, 42(01), 133-52.
Miglioranza, P, Scanu, A, Simionato, G, Sinigaglia, N and Califano, A (2024) Machine learning and engineering feature approaches to detect events perturbing the indoor microclimate in Ringebu and Heddal stave churches (Norway). International Journal of Building Pathology and Adaptation, 42(01), 35-47.
Moreno, M, Ortiz, R and Ortiz, P (2024) Remote sensing to assess the risk for cultural heritage: forecasting potential collapses due to rainfall in historic fortifications. International Journal of Building Pathology and Adaptation, 42(01), 92-113.
Nguyen Chau, T, Pham, T T T, Ha, T C V and Nguyen, D (2024) Corruption, market structure, and industry competition in the Vietnamese construction sector. Construction Management and Economics, 42(01), 54–69.
Rueda-Benavides, J, Gransberg, D, Khalafalla, M and Mayorga, C (2024) Probabilistic cost-based decision-making matrix: IDIQ vs. DBB contracting. Construction Management and Economics, 42(01), 1–15.
- Type: Journal Article
- Keywords: Indefinite delivery/indefinite quantity; design-bid-build; probabilistic cost analysis;
- ISBN/ISSN: 0144-6193
- URL: https://doi.org/10.1080/01446193.2023.2226261
- Abstract:
Public departments of transportation (DOTs) are increasingly adopting alternative contracting methods (ACMs), such as Indefinite Delivery/Indefinite Quantity (IDIQ) agreements, to shorten project delivery and increase scheduling flexibility. However, the challenge remains to decide when an IDIQ contract would offer better value for money in a project compared to the conventional Design-Bid-Build (DBB) method. This paper proposes an IDIQ project selection framework that incorporates expected construction costs to identify suitable candidate projects. Historical bid data, an alternate cost indexing system, nonlinear regression analysis, and the Monte Carlo simulation technique are used to create and compare IDIQ and DBB probabilistic construction cost estimates. The study demonstrates the effectiveness of the framework using a single-award IDIQ granted through the Minnesota Department of Transportation (MnDOT) and past bidding information for projects awarded between January 2008 and April 2015. Additionally, the paper acknowledges the limitations of the study, including its reliance on MnDOT data, the exclusion of non-cost factors, and the assumption of project homogeneity. The study also provides valuable recommendations for future research to address these limitations and enhance the understanding and practical implementation of IDIQ contracting in the construction industry.
Steadman, P, Hamilton, I and Evans, S (2014) Energy and urban built form: an empirical and statistical approach. Building Research & Information, 42(01), 17-31.
Stellacci, S, Domingos, L and Resende, R (2024) Integrated computational approaches for energy retrofit of historical buildings in extreme climate environments. International Journal of Building Pathology and Adaptation, 42(01), 114-32.
Taylor, S, Fan, D and Rylatt, M (2014) Enabling urban-scale energy modelling: a new spatial approach. Building Research & Information, 42(01), 4-16.
Zhang, S, Leiringer, R and Winch, G (2024) Procuring infrastructure public-private partnerships: capability development and learning from an owner perspective. Construction Management and Economics, 42(01), 35–53.