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A Kassem, M, Khoiry, M A and Hamzah, N (2020) Assessment of the effect of external risk factors on the success of an oil and gas construction project. Engineering, Construction and Architectural Management, 27(09), 2767–93.

Adabre, M A and Chan, A P (2020) Towards a sustainability assessment model for affordable housing projects: the perspective of professionals in Ghana. Engineering, Construction and Architectural Management, 27(09), 2523–51.

Ahmadu, H A, Ibrahim, A D, Ibrahim, Y M and Adogbo, K J (2020) Incorporating aleatory and epistemic uncertainties in the modelling of construction duration. Engineering, Construction and Architectural Management, 27(09), 2199–219.

Akanmu, A, Olayiwola, J and Olatunji, O A (2020) Musculoskeletal disorders within the carpentry trade: analysis of timber flooring subtasks. Engineering, Construction and Architectural Management, 27(09), 2577–90.

Almatroushi, H, Hariga, M, As'ad, R and Al-Bar, A (2020) The multi resource leveling and materials procurement problem: an integrated approach. Engineering, Construction and Architectural Management, 27(09), 2135–61.

• Type: Journal Article
• Keywords: Project management; Scheduling; Optimization; Integration;
• ISBN/ISSN: 0969-9988
• URL: https://doi.org/10.1108/ECAM-10-2019-0563
• Abstract:
  This paper proposes an integrated approach that seeks to jointly optimize project scheduling and material lot sizing decisions for time-constrained project scheduling problems. A mixed integer linear programming model is devised, which utilizes the splitting of noncritical activities as a mean toward leveling the renewable resources. The developed model minimizes renewable resources leveling costs along with consumable resources related costs, and it is solved using IBM ILOG CPLEX optimization package. A hybrid metaheuristic procedure is also proposed to efficiently solve the model for larger projects with complex networks structure. The results confirmed the significance of the integrated approach as both the project schedule and the material ordering policy turned out to be different once compared to the sequential approach under same parameter settings. Furthermore, the integrated approach resulted in substantial total costs reduction for low values of the acquiring and releasing costs of the renewable resources. Computational experiments conducted over 240 test instances of various sizes, and complexities illustrate the efficiency of the proposed metaheuristic approach as it yields solutions that are on average 1.14% away from the optimal ones. This work highlights the necessity of having project managers address project scheduling and materials lot sizing decisions concurrently, rather than sequentially, to better level resources and minimize materials related costs. Significant cost savings were generated through the developed model despite the use of a small-scale example which illustrates the great potential that the integrated approach has in real life projects. For real life projects with complex network topology, practitioners are advised to make use of the developed metaheuristic procedure due to its superior time efficiency as compared to exact solution methods. The sequential approach, wherein a project schedule is established first followed by allocating the needed resources, is proven to yield a nonoptimized project schedule and materials ordering policy, leading to an increase in the project's total cost. The integrated approach proposed hereafter optimizes both decisions at once ensuring the timely completion of the project at the least possible cost. The proposed metaheuristic approach provides a viable alternative to exact solution methods especially for larger projects.

Amos, D, Au-Yong, C P and Musa, Z N (2020) Developing key performance indicators for hospital facilities management services: a developing country perspective. Engineering, Construction and Architectural Management, 27(09), 2715–35.

Chiu, W Y B and Lai, J H (2020) Building information modelling for building services engineering: benefits, barriers and conducive measures. Engineering, Construction and Architectural Management, 27(09), 2221–52.

Edwards, D J, Rillie, I, Chileshe, N, Lai, J, Hosseini, M R and Thwala, W D (2020) A field survey of hand–arm vibration exposure in the UK utilities sector. Engineering, Construction and Architectural Management, 27(09), 2179–98.

Farajmandi, M, Ali, M, Hermann, R and AbouRizk, S (2020) A decision support tool for planning module installation in industrial construction. Engineering, Construction and Architectural Management, 27(09), 2615–41.

Hsu, P, Aurisicchio, M, Angeloudis, P and Whyte, J (2020) Understanding and visualizing schedule deviations in construction projects using fault tree analysis. Engineering, Construction and Architectural Management, 27(09), 2501–22.

Karamoozian, A and Wu, D (2020) A hybrid risk prioritization approach in construction projects using failure mode and effective analysis. Engineering, Construction and Architectural Management, 27(09), 2661–86.

Liu, H, Song, J and Wang, G (2020) Development of a tool for measuring building information modeling (BIM) user satisfaction – method selection, scale development and case study. Engineering, Construction and Architectural Management, 27(09), 2409–27.

Liu, J, Cui, Z, Feng, Y, Perera, S and Han, J (2020) Impact of culture differences on performance of international construction joint ventures: the moderating role of conflict management. Engineering, Construction and Architectural Management, 27(09), 2353–77.

Luo, L, Zhang, L and He, Q (2020) Linking project complexity to project success: a hybrid SEM–FCM method. Engineering, Construction and Architectural Management, 27(09), 2591–614.

Ma, L and Fu, H (2020) Exploring the influence of project complexity on the mega construction project success: a qualitative comparative analysis (QCA) method. Engineering, Construction and Architectural Management, 27(09), 2429–49.

Maqsoom, A, Hamad, M, Ashraf, H, Thaheem, M J and Umer, M (2020) Managerial control mechanisms and their influence on project performance: an investigation of the moderating role of complexity risk. Engineering, Construction and Architectural Management, 27(09), 2451–75.

Moon, S, Ham, N, Kim, S, Hou, L, Kim, J and Kim, J (2020) Fourth industrialization-oriented offsite construction: case study of an application to an irregular commercial building. Engineering, Construction and Architectural Management, 27(09), 2271–86.

Nasirzadeh, F, Kabir, H D, Akbari, M, Khosravi, A, Nahavandi, S and Carmichael, D G (2020) ANN-based prediction intervals to forecast labour productivity. Engineering, Construction and Architectural Management, 27(09), 2335–51.

Sezegen, A and Edis, E (2020) Product innovation types: a discussion considering building facade products. Engineering, Construction and Architectural Management, 27(09), 2379–408.

Sinoh, S S, Othman, F and Ibrahim, Z (2020) Critical success factors for BIM implementation: a Malaysian case study. Engineering, Construction and Architectural Management, 27(09), 2737–65.

Tran, D H (2020) Optimizing time–cost in generalized construction projects using multiple-objective social group optimization and multi-criteria decision-making methods. Engineering, Construction and Architectural Management, 27(09), 2287–313.

Tran, D Q, Harper, C M, Smadi, A M and Mohamed, M (2020) Staffing needs and utilization for alternative contracting methods in highway design and construction. Engineering, Construction and Architectural Management, 27(09), 2163–78.

Viswanathan, S K and Jha, K N (2020) Risk mitigation modelling of international construction projects executed by Indian firms: a structural equation modelling approach. Engineering, Construction and Architectural Management, 27(09), 2687–713.

Wang, P, Wu, P, Wang, X, Chen, X and Zhou, T (2020) Developing optimal scaffolding erection through the integration of lean and work posture analysis. Engineering, Construction and Architectural Management, 27(09), 2109–33.

Wu, J, Liu, H J, Sing, M C, Humphrey, R and Zhao, J (2020) Public–private partnerships: implications from policy changes for practice in managing risks. Engineering, Construction and Architectural Management, 27(09), 2253–69.

Wuni, I Y and Shen, G Q (2020) Critical success factors for management of the early stages of prefabricated prefinished volumetric construction project life cycle. Engineering, Construction and Architectural Management, 27(09), 2315–33.

Zhang, H and Yu, L (2020) Dynamic transportation planning for prefabricated component supply chain. Engineering, Construction and Architectural Management, 27(09), 2553–76.

Zhang, H, Yu, L and Zhang, W (2020) Dynamic performance incentive model with supervision mechanism for PPP projects. Engineering, Construction and Architectural Management, 27(09), 2643–59.

Zhang, S B, Chen, J and Fu, Y (2020) Contract complexity and trust in construction project subcontracting. Engineering, Construction and Architectural Management, 27(09), 2477–500.